CircuitPython Weekly Meeting for October 28, 2024

Adafruit Industries

Player FM - Internet Radio Done Right

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محتوای ارائه شده توسط Adafruit Industries. تمام محتوای پادکست شامل قسمت‌ها، گرافیک‌ها و توضیحات پادکست مستقیماً توسط Adafruit Industries یا شریک پلتفرم پادکست آن‌ها آپلود و ارائه می‌شوند. اگر فکر می‌کنید شخصی بدون اجازه شما از اثر دارای حق نسخه‌برداری شما استفاده می‌کند، می‌توانید روندی که در اینجا شرح داده شده است را دنبال کنید.https://fa.player.fm/legal

We Have The Receipts

1
Battle Camp: Final 5 Episodes with Dana Moon + Interview with the Winner! 1:03:29

۳ روز پیش1:03:29

پخش در آینده

لیست ها

پسندیدن

دوست داشته شد

1:03:29

Finally, we find out who is unbeatable, unhateable, and unbreakable in the final five episodes of Battle Camp Season One. Host Chris Burns is joined by the multi-talented comedian Dana Moon to relive the cockroach mac & cheese, Trey’s drag debut, and the final wheel spin. The Season One Winner joins Chris to debrief on strategy and dish on game play. Leave us a voice message at www.speakpipe.com/WeHaveTheReceipts Text us at (929) 487-3621 DM Chris @FatCarrieBradshaw on Instagram Follow We Have The Receipts wherever you listen, so you never miss an episode. Listen to more from Netflix Podcasts.…

حدود یک سال پیش 35:00

MP4•خانه قسمت

Notes document is available here: https://github.com/adafruit/adafruit-circuitpython-weekly-meeting/blob/main/2024/2024-10-28.md Join here for the chat all week: http://adafru.it/discord The CircuitPython Weekly normally is held at 2pm US ET/11am us PT on Mondays. Check the #circuitpython-dev channel on Discord for notices of change in time and links to past meetings. Meeting times are also available in iCal format using the following link: https://raw.githubusercontent.com/adafruit/adafruit-circuitpython-weekly-meeting/master/meeting.ical or view it in your browser: https://open-web-calendar.herokuapp.com/calendar.html?url=https://raw.githubusercontent.com/adafruit/adafruit-circuitpython-weekly-meeting/master/meeting.ical CircuitPython development is sponsored by Adafruit. Please support them by purchasing hardware from https://adafruit.com. Reminders: Podcast available on most services. Let us know if we’re missing some. Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------

4915 قسمت

#3D Printing #Adafruit Industries #Video #Podcasting Education

Adafruit Industries

CircuitPython Weekly Meeting for October 28, 2024

Adafruit Industries

72 subscribers

published حدود یک سال پیش

اشتراک گذاری

MP4•خانه قسمت

4915 قسمت

#3D Printing #Adafruit Industries #Video #Podcasting Education

All episodes

Adafruit Industries

1
JP’s Product Pick of the Week 5/13/25 20:40

1 day پیش20:40

20:40

#newproducts JP’s Product Pick of the Week 5/13/25 PiCowbell Adalogger https://www.adafruit.com/product/5703 Deep discount during livestream Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Adafruit on Instagram: https://www.instagram.com/adafruit Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…

Adafruit Industries

1
Cardboard Crafting Tools 0:55

۲ روز پیش0:55

0:55

Every week we'll 3D print designs from the community and showcase slicer settings, use cases and of course, Time-lapses! This Week: Cardboard Crafting Tools By ValeriaMomo https://cults3d.com/:2944214 Bambu X1C Blue Grey Yellow PLA 4hr 36mins X:108 Y:123 Z:74mm .2mm layer / .4mm Nozzle 6% Infill / 1mm Retraction 200C / 60C 77g 230mm/s ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Adafruit on Instagram: https://www.instagram.com/adafruit Shop for parts to build your own DIY projects http://adafru.it/3dprinting 3D Printing Projects Playlist: https://www.youtube.com/playlist?list=PLjF7R1fz_OOWD2dJNRIN46uhMCWvNOlbG 3D Hangout Show Playlist: https://www.youtube.com/playlist?list=PLjF7R1fz_OOVgpmWevin2slopw_A3-A8Y Layer by Layer CAD Tutorials Playlist: https://www.youtube.com/playlist?list=PLjF7R1fz_OOVsMp6nKnpjsXSQ45nxfORb Timelapse Tuesday Playlist: https://www.youtube.com/playlist?list=PLjF7R1fz_OOVagy3CktXsAAs4b153xpp_ Connect with Noe and Pedro on Social Media: Noe's Twitter / Instagram: @ecken Pedro's Twitter / Instagram: @videopixil ----------------------------------------- Visit the Adafruit shop online - http://www.adafruit.com/?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting Subscribe to Adafruit on YouTube: http://adafru.it/subscribe Adafruit Monthly Deals & FREE Specials https://www.adafruit.com/free?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting Join our weekly Show & Tell on G+ Hangouts On Air: http://adafru.it/showtell Watch our latest project videos: http://adafru.it/latest?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting 3DThursday Posts: https://blog.adafruit.com/category/3d-printing?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting New tutorials on the Adafruit Learning System: http://learn.adafruit.com/?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting Music by Dan Q https://soundcloud.com/adafruit -----------------------------------------…

Adafruit Industries

1
CircuitPython Weekly Meeting for May 12, 2025 28:35

۳ روز پیش28:35

28:35

Notes document is available here, with timecodes: https://github.com/adafruit/adafruit-circuitpython-weekly-meeting/blob/main/2025/2025-05-12.md 0:00 Housekeeping 04:03 Community News 08:47 State of CircuitPython, Libraries & Blinka 20:49 Hug Reports 23:22 Status Updates 26:51 In the Weeds 27:09 Wrap-up Join here for the chat all week: http://adafru.it/discord The CircuitPython Weekly normally is held at 2pm US ET/11am us PT on Mondays. Check the #circuitpython-dev channel on Discord for notices of change in time and links to past meetings. Meeting times are also available in iCal format using the following link: https://raw.githubusercontent.com/adafruit/adafruit-circuitpython-weekly-meeting/master/meeting.ical or view it in your browser: https://open-web-calendar.herokuapp.com/calendar.html?url=https://raw.githubusercontent.com/adafruit/adafruit-circuitpython-weekly-meeting/master/meeting.ical CircuitPython development is sponsored by Adafruit. Please support them by purchasing hardware from https://adafruit.com. Reminders: Podcast available on most services. Let us know if we’re missing some. Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…

Adafruit Industries

1
The Great Search – Bringin' Back the DIGG Button Kit? 🕹️ 8:50

۳ روز پیش8:50

8:50

We found an old Advanced Circuits panel and we started chatting—DIGG is back! (https://reboot.digg.com/) What if we remade the DIGG button kit with a WiFi chip to show your live vote count? Let’s revive this classic, starting with the 3-digit 7-segment display. Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…

Adafruit Industries

1
The Great Search - Replacement for WM8960 🎧 11:27

۳ روز پیش11:27

11:27

We're phasing out the Cirrus WM8960 codec (https://www.digikey.com/en/products/detail/cirrus-logic-inc/WM8960CGEFL-V/5036712) used in some Raspberry Pi boards to add two microphones, line-out, and stereo speaker. The codec is great—see our Voice Bonnet—but very obsolete now. Let's hunt for a modern alternative! See the chosen part on DigiKey https://www.digikey.com/short/3jnw089v Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…

Adafruit Industries

1
Desk of Ladyada – Designing More Protos & Trying Out Codex 30:53

۳ روز پیش30:53

30:53

We're back to designing more prototypes to get the product pump primed! Having lots of boards to work with means we can reliably get one or two shipping each week. To that end, here are some upcoming chips we've made breakouts for: SLB9670VQ20FW785 (TPM chip): https://www.digikey.com/en/products/detail/infineon-technologies/SLB9670VQ20FW785XTMA1/11697680 INA237 (Power monitoring): https://www.digikey.com/en/products/detail/texas-instruments/INA237AIDGSR/14004323 INA238 (High-speed current/voltage sensor): https://www.digikey.com/en/products/detail/texas-instruments/INA238AQDGSRQ1/14641449 STSPIN220 (Stepper motor driver): https://www.digikey.com/en/products/detail/stmicroelectronics/STSPIN220/6137574 LM73100 (Hot-swap controller): https://www.digikey.com/short/hfnzpwjq SC16IS74x (UART to I²C/SPI bridge): https://www.digikey.com/en/products/detail/nxp-usa-inc/SC16IS740IPW-128/1301043 We also tested out Codex as an alternative to Claude for code generation. One benefit is the option to select specific models. We tried o3 (which struggled) and o4-mini (which did okay), but Claude still leads for now. Protos are pumping! We're designing breakouts for new chips + testing Codex vs Claude. Also: help us find a WM8960 replacement and maybe... should bring back the DIGG button kit?…

Adafruit Industries

1
Deep Dive w/ Tim: More Work on Fruit Jam OS and Apps 1:09:51

۵ روز پیش1:09:51

1:09:51

Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…

Adafruit Industries

1
John Park's CircuitPython Parsec: Seesaw Button Bitmask 4:11

۶ روز پیش4:11

4:11

#circuitpythonparsec How to read button bitmasks from seesaw boards such as the Gamepad QT. https://github.com/jedgarpark/parsec/blob/main/2025-05-01/code.py https://www.adafruit.com/product/5743 Learn about CircuitPython: https://circuitpython.org Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…

Adafruit Industries

1
John Park's Workshop Live 5/8/25

۶ روز پیش

—

John Park's Workshop Live 5/8/25 CircuitPython Parsec JPPPoW recap Projects and more! Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Adafruit on Instagram: https://www.instagram.com/adafruit Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…

Adafruit Industries

1
#NewProducts 5/7/25 @adafruit Feat. Raspberry Pi Pico 2 with Header

۶ روز پیش

—

Raspberry Pi Pico 2 with Header https://www.adafruit.com/product/6328 ----------------------------------------- New nEw NEWs New Products, News, and more: https://www.adafruit.com/newsletter #newnewnew Shop for all of the newest Adafruit products: http://adafru.it/new Visit the Adafruit shop online - http://www.adafruit.com Adafruit on Instagram: https://www.instagram.com/adafruit LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…

Adafruit Industries

1
EYE on NPI – Sensirion SEN66 Environmental Sensor Node 8:59

۷ روز پیش8:59

8:59

This week's EYE ON NPI features a new 'everything' sensor, the Sensirion SEN66 Environmental Sensor Node (https://www.digikey.com/en/product-highlight/s/sensirion/environmental-sensor-node-sen6x) . This is a highly-anticipated update to the SEN5x (https://www.digikey.com/en/videos/s/sensirion/eye-on-npi-sen54-environmental-sensor-node) goes hard on gas sensing, with VOC, NOx and CO2 sensors built in. You can even update to the SEN68 and get formaldehyde HCHO sensing! What we like about this series is the complete solution for all kinds of environmental sensing with a single cable. Sensirion is one of our fav sensor companies: from classics like the SHT45 (https://www.adafruit.com/product/5665) to the popular SGP30 (https://www.adafruit.com/product/3709) and the high quality SCD30 (https://www.adafruit.com/product/4867) we have made breakouts for many-a-sensor from this company. Lately they've started to do fully integrated products - like the SEN5x series (https://www.digikey.com/en/videos/s/sensirion/eye-on-npi-sen54-environmental-sensor-node) that we covered earlier on EYE ON NPI. The SEN54 series has particulate matter (PM1, PM2.5, PM4, PM10) dust sensing, plus temperature, humidity, volatile organic compounds (VOCs), with the SEN55 adding NOx. We saw this sensor often paired with an SCD30 (https://www.digikey.com/short/d1h3t1n4) or SCD4x (https://www.digikey.com/short/zmh2zjz3) to add CO2 sensing. Those folks will like the look of the SEN6x series as now we get CO2 sensing in all but the lowest-cost SEN60. One thing to note with CO2 sensing is that once a week it needs to 'self-calibrated' by letting it sense fresh outdoor air which will be ~400ppm. This isn't a bad idea for your health either. Another new sensor added in the upcoming SEN68 is formaldehyde, which integrates the SFA30 (https://www.digikey.com/short/2d5fb8rt). If you've used the SEN5x series, (https://www.digikey.com/en/videos/s/sensirion/eye-on-npi-sen54-environmental-sensor-node) you're probably familiar with their connection interface: a JST GH 6-pin cable is used to connect and provide power and I2C data connection. However, one thing to note is that the cable is the same but the pinout has changed. Power is now 3.3V instead of 5.0 and there's no UART interface, so the SEL pin is not available. For that reason, if you'd like to use the same cable, go for it - but the circuitry will need to change...for example we're revising our SEN5x breakout (https://www.digikey.com/short/h0jffnm2)! We like that, just as with the SEN5x series, the SEN6x (https://www.digikey.com/en/product-highlight/s/sensirion/environmental-sensor-node-sen6x) uses plain I2C to communicate. This makes it easy to integrate with any microcontroller or microcomputer, and the added CRC helps avoid accidental data corruption from EMI or loose cables. The interface is not just to each individual sensor - there's only one I2C address and command structure and once you initialize the sensor you can read all values at once for 'timestamped' consistency. The commands are easy to implement, but if you want a head-start, check out the Sensirion GitHub account (https://github.com/Sensirion?q=sen6&type=all&language=&sort=), they have code in C and Python for a 5-minute quick start. Excited to check this fancy new combo-sensor out? You're in luck because DigiKey has the Sensirion SEN66 Environmental Sensor Node (https://www.digikey.com/short/0d4jt424) in stock right now for immediate shipment! Order today and DigiKey will ship it you in an instant - you will be sensing up a storm by tomorrow afternoon! See at DigiKey https://www.digikey.com/short/0d4jt424 See Sensiron's video https://www.digikey.com/api/videos/videoplayer/smallplayer/6371044300112 Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…

Adafruit Industries

1
TARIFF TALK! With Ladyada - May 7, 2025 11:36

۷ روز پیش11:36

11:36

Join Ladyada as she breaks down how recent tariff shifts impact electronic component availability and pricing, reshoring trends, and what may happen to engineering/BOM and DIY project costs. Get the inside scoop on navigating supply chain challenges while keeping your builds affordable and excellent! Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ ----------------------------------------- #tariffs #usa #manufacturing…

Adafruit Industries

1
Adafruit Top Secret for May 7, 2025 5:06

۷ روز پیش5:06

5:06

The hush-hush news from Adafruit in Industry City, Brooklyn, New York. Broadcast May 7, 2025 These are items or concept products that may/might/could be introduced into the Adafruit store in the future (or not)! It's not out yet, so please don't ask questions or ask when it'll be available.... Check out the Adafruit store for all the great products that are available and for coming soon products you can sign up to be notified when they are in stock. https://www.adafruit.com/new Visit the Adafruit shop online - http://www.adafruit.com Also visit DigiKey for Adafruit products at http://www.digikey.com/ ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Adafruit on Instagram: https://www.instagram.com/adafruit Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/…

Adafruit Industries

1
Python on Hardware weekly video for May 7, 2025

۷ روز پیش

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The wonderful world of Python on hardware! Episode 310 (May 7, 2025). This is our weekly Python video highlights! Ladyada and PT review the Python on hardware news of the week. The news comes from the Python community, Discord, Adafruit communities and more. It’s part of the comprehensive newsletter we do each week. The video playlist of episodes is here: http://adafru.it/pohepisodes *************************************************** Sign up for the Python on Microcontrollers weekly email newsletter here: https://www.adafruitdaily.com/ Over 12,168 subscribers! *************************************************** Read the newsletters past and present at https://www.adafruitdaily.com/category/circuitpython/ Learn all about CircuitPython here: https://www.circuitpython.org/ https://adafruit.com/circuitpython/ Over 600 compatible microcontroller boards! --------------------------------------------------------------- Join us on Discord! https://adafru.it/discord/ Visit the Adafruit shop online - http://www.adafruit.com Adafruit on Instagram: https://www.instagram.com/adafruit Subscribe to Adafruit on YouTube: http://adafru.it/subscribe…

Adafruit Industries

1
ASK AN ENGINEER 5/7/2025 LIVE 53:35

۷ روز پیش53:35

53:35

ASK AN ENGINEER 5/7/2025 LIVE Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ ----------------------------------------- #diy #electronics #manufacturing…

Adafruit Industries

1
3D Hangouts – Motorized Slider, Kids Mailbox and Backflip AI 1:04:33

۷ روز پیش1:04:33

1:04:33

This week @adafruit we discussed our motorized slider project. Time lapse video features a 3D printed mailbox for kids by BamBam Design. Our rapid render segment this week highlights Backflip AI. Also, catching up on community makes. TMC2209 Driver: https://www.adafruit.com/product/6121 KBRP2040 Board https://www.adafruit.com/product/5302 1.3in TFT Display https://www.adafruit.com/product/4313 Timelapse Tuesday Mailbox for Children By BamBam Design https://www.printables.com/model/1026728-mailbox-for-children/ https://youtu.be/xfyoLtUSW3s Community Makes https://www.printables.com/make/2582608?comment_id=2582608 https://www.printables.com/make/2600373?comment_id=2600373 🎙️ New to streaming or looking to level up? Check out StreamYard and get $10 discount! 😍 https://streamyard.com/pal/d/5925163669389312…

Adafruit Industries

1
SHOW and TELL 5/7/25 16:47

۸ روز پیش16:47

16:47

To show and share a project at 7:30pm Eastern today, view the chat or in discord https://adafru.it/discord and look for the JOIN link to join. For best results, be on a wired network connection and use a headset and microphone.

Adafruit Industries

1
JP’s Product Pick of the Week 5/6/25 PiCowbell Camera Breakout RECAP 1:00

۸ روز پیش1:00

1:00

#newproducts JP’s Product Pick of the Week 5/6/25 PiCowbell Camera Breakout https://www.adafruit.com/product/5946 Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…

Adafruit Industries

1
JP’s Product Pick of the Week 5/6/25 24:05

۸ روز پیش24:05

24:05

#newproducts JP’s Product Pick of the Week 5/6/25 PiCowbell Camera Breakout https://www.adafruit.com/product/5946 Deep discount during livestream Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Adafruit on Instagram: https://www.instagram.com/adafruit Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…

Adafruit Industries

1
Mailbox for Children timelapse 3dprinting 1:15

۹ روز پیش1:15

1:15

Every week we'll 3D print designs from the community and showcase slicer settings, use cases and of course, Time-lapses! This Week: Mailbox for Children By BamBam Design printables.com/model/1026728-mailbox-for-children/files Bambu X1C Gold Red PLA 25hr 15mins X:191 Y:220 Z:30mm .2mm layer / .4mm Nozzle 6% Infill / 1mm Retraction 200C / 60C 188g 230mm/s Flag Design by VikingLanding : https://www.thingiverse.com/thing:3995684 ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Adafruit on Instagram: https://www.instagram.com/adafruit Shop for parts to build your own DIY projects http://adafru.it/3dprinting 3D Printing Projects Playlist: https://www.youtube.com/playlist?list=PLjF7R1fz_OOWD2dJNRIN46uhMCWvNOlbG 3D Hangout Show Playlist: https://www.youtube.com/playlist?list=PLjF7R1fz_OOVgpmWevin2slopw_A3-A8Y Layer by Layer CAD Tutorials Playlist: https://www.youtube.com/playlist?list=PLjF7R1fz_OOVsMp6nKnpjsXSQ45nxfORb Timelapse Tuesday Playlist: https://www.youtube.com/playlist?list=PLjF7R1fz_OOVagy3CktXsAAs4b153xpp_ Connect with Noe and Pedro on Social Media: Noe's Twitter / Instagram: @ecken Pedro's Twitter / Instagram: @videopixil ----------------------------------------- Visit the Adafruit shop online - http://www.adafruit.com/?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting Subscribe to Adafruit on YouTube: http://adafru.it/subscribe Adafruit Monthly Deals & FREE Specials https://www.adafruit.com/free?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting Join our weekly Show & Tell on G+ Hangouts On Air: http://adafru.it/showtell Watch our latest project videos: http://adafru.it/latest?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting 3DThursday Posts: https://blog.adafruit.com/category/3d-printing?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting New tutorials on the Adafruit Learning System: http://learn.adafruit.com/?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting Music by Dan Q https://soundcloud.com/adafruit -----------------------------------------…

Adafruit Industries

1
CircuitPython Weekly Meeting for May 5, 2025 20:39

10 روز پیش20:39

20:39

Notes document is available here, with timecodes: https://github.com/adafruit/adafruit-circuitpython-weekly-meeting/blob/main/2025/2025-05-05.md Join here for the chat all week: http://adafru.it/discord The CircuitPython Weekly normally is held at 2pm US ET/11am us PT on Mondays. Check the #circuitpython-dev channel on Discord for notices of change in time and links to past meetings. Meeting times are also available in iCal format using the following link: https://raw.githubusercontent.com/adafruit/adafruit-circuitpython-weekly-meeting/master/meeting.ical or view it in your browser: https://open-web-calendar.herokuapp.com/calendar.html?url=https://raw.githubusercontent.com/adafruit/adafruit-circuitpython-weekly-meeting/master/meeting.ical CircuitPython development is sponsored by Adafruit. Please support them by purchasing hardware from https://adafruit.com. Reminders: Podcast available on most services. Let us know if we’re missing some. Visit the Adafruit shop online - http://www.adafruit.com 0:00 Housekeeping 02:03 Community News 04:26 State of CircuitPython, Libraries & Blinka 11:14 Hug Reports 12:58 Status Updates 19:47 Wrap-up ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…

Adafruit Industries

1
The Great Search - 1 Amp +, Mid-Voltage (12V+) Ideal Diode for Solar Panels 10:27

10 روز پیش10:27

10:27

With sunny days ahead, we're working on more solar projects. One thing that comes up often is we need is a diode to keep the PV panel current only flowing into a charging circuit. Often times folks use a Schottky diode (https://www.digikey.com/short/b5d8495f) for their low forward voltage. But as you get to an Amp or more, you're still looking at a loss of 0.5V, or 0.5W and that number only goes up with higher currents! Thus the need for an 'ideal diode': we've already got a breakout for an ideal diode but it's only 5V max (https://www.adafruit.com/product/5830). Let's look for one that can handle higher voltages and at least an Amp of current. See the part on Digikey https://www.digikey.com/short/vj2jzpj8 Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…

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The Great Search – Power Monitor with 2 Inputs 7:59

10 روز پیش7:59

7:59

For our solar-capable Feathers, we're going to design a FeatherWing helper board to assist with solar connection and monitoring. To do that, we will want to monitor two voltages (the LiPoly battery and the solar panel) and one current (the panel draw). Traditionally, we've liked using the INA219 and friends—let's see if we can find a voltage/current monitor chip with an I2C interface and at least two monitoring inputs. See the part on DigiKey https://www.digikey.com/short/tmc77hmn ----------------------------------------- Visit the Adafruit shop online - http://www.adafruit.com LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ ----------------------------------------- #Ladyada #FeatherWing #SolarProjects…

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Desk of Ladyada – Break Time’s Over! 32:43

10 روز پیش32:43

32:43

We're back building—testing sensors, finishing the Sparkle Motion Stick, and designing a solar-ready FeatherWing for dual-voltage monitoring. Tune in & explore with us!

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1
John Park's Workshop Live 5/1/25 45:15

13 روز پیش45:15

45:15

John Park's Workshop Live 5/1/25 CircuitPython Parsec JPPPoW recap Projects and more! Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Adafruit on Instagram: https://www.instagram.com/adafruit Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…

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#NewProducts 4/30/25 @adafruit Feat. Mini OLED USB C Power Analyzer! 9:19

13 روز پیش9:19

9:19

USB Type C Sync Data Cable with On-Off Switch - 1 meter long (0:05) https://www.adafruit.com/product/6269?utm_source=youtube&utm_medium=videodescrip&utm_campaign=newproducts USB Type C Sync Data Cable with On-Off Switch - 28cm long (0:05) https://www.adafruit.com/product/6268?utm_source=youtube&utm_medium=videodescrip&utm_campaign=newproducts USB Type C 3.1 PD to 5.5mm Barrel Jack Cable - 28V 5A Output - 1.8m long (2:22) https://www.adafruit.com/product/6273?utm_source=youtube&utm_medium=videodescrip&utm_campaign=newproducts USB C Power Monitor / Analyzer with Color TFT Graphing Display (4:10) https://www.adafruit.com/product/6272?utm_source=youtube&utm_medium=videodescrip&utm_campaign=newproducts Mini OLED USB C Power Analyzer (7:10) https://www.adafruit.com/product/6271?utm_source=youtube&utm_medium=videodescrip&utm_campaign=newproducts ----------------------------------------- New nEw NEWs New Products, News, and more: https://www.adafruit.com/newsletter #newnewnew Shop for all of the newest Adafruit products: http://adafru.it/new Visit the Adafruit shop online - http://www.adafruit.com Adafruit on Instagram: https://www.instagram.com/adafruit LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…

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EYE ON NPI - Panasonic's VL/ML Series Lithium Rechargeable Coin Batteries 10:35

14 روز پیش10:35

10:35

This week's EYE ON NPI is looking at itsy-bitsy-teensy-weensy little rechargeable batteries that can keep your micro-power electronics running for many years without needing any maintenance from your users: it's Panasonic's VL/ML Series Lithium Rechargeable Coin Batteries (https://www.digikey.com/en/product-highlight/p/panasonic/lithium-rechargeable-coin-batteries). These are small, solderable batteries much like the coin cell batteries you're used to replacing in watches, toys, and other gadgets..but this time they can be recharged in-circuit to make maintenance effortless. We've covered lots of batteries and battery holders on EYE ON NPI - from enormous lead acid batteries to tiny coin cells (https://www.digikey.com/en/products/filter/batteries-non-rechargeable-primary/). These are an essential part of the engineer's repertoire as so many products need to work when not plugged into the wall. We use coin cells a lot in our design work: there's nothing as compact and they have great energy density. But they're typically 'primary cells' - not rechargeable. That might be fine if you're using them for something like a remote control (https://support.apple.com/en-us/101261) or a small toy. But they do eventually need to be replaced, which can be a user frustration. For that reason, many products that used to have primary cells like AA's or coin batteries have slowly transitioned to embedding lithium polymer pouches. You can get rechargeable lipoly batteries in 100 mAh or less! (https://www.digikey.com/short/7njnd057) However, there may be some cases where you still want something really really tiny, like say 9mm diameter and under 1mm thick - a size only achievable with a coin cell - but without dealing with removing and replacing a battery every few weeks or months. Especially if we're talking about something that is going to be plugged in once in a while, or where the coin cell is a fall-back. This comes up often with devices that have real time clocks (RTCs) - such as clocks, computers, laptops, tablets, watches, GPS units (https://www.adafruit.com/product/5440), etc. They might have a main battery or power system that can run a microcontroller/CPU and display plus peripherals, but you still want to keep time and maybe an alarm setting when the main power cuts off. Historically, folks have just used coin batteries - ideally replaceable ones - but sometimes not as in the case of the DS1287 (https://theretroweb.com/chip/documentation/ds1287-647b3602989d3299594321.pdf) which had the coin battery sealed inside! If you're designing a product today that needs an RTC battery, we'd say take a good look at the Panasonic's VL/ML Series Lithium Rechargeable Coin Batteries (https://www.digikey.com/en/product-highlight/p/panasonic/lithium-rechargeable-coin-batteries). No holder required: they come with tabs to solder directly onto a PCB in vertical or horizontal orientations. And they come in a variety of sizes from the 20mm / 45mAh to 12mm / 7mAh and even smaller. Note that as expected, you're going to get less capacity than a primary cell, so these are good when you think you'll get recharged every few days or weeks. Don't forget: you will absolutely need a proper lithium charger to recharge these batteries. We've got plenty of charger breakouts you can use, we particularly like the bq25185 (https://www.digikey.com/en/products/detail/adafruit-industries-llc/6091/25805553) which you can easily configure for the 1C current charge rate to match your Panasonic Lithium Rechargeable Coin Batteries (https://www.digikey.com/en/product-highlight/p/panasonic/lithium-rechargeable-coin-batteries) They can all handle 1000+ cycles, we like the bq in particular because it has power-path which will help avoid unnecessary discharging/cycling. Ready for a tiny burst of power to keep your clocks a-tickin'? You can pick up a wide selection of Panasonic's VL/ML Series Lithium Rechargeable Coin Batteries (https://www.digikey.com/en/product-highlight/p/panasonic/lithium-rechargeable-coin-batteries) at DigiKey right now! They're in stock in a range of sizes and configurations for immediate shipment - don't forget that like all Lithium batteries you may need to ship ground, so order now and you'll get those bite-sized batteries shipped within the hour for immediate integration. See it on DigiKey https://www.digikey.com/short/wb83dfff…

Adafruit Industries

15 روز پیش18:49

18:49

Adafruit Industries

1
Computer Space Mini Arcade demo 0:25

15 روز پیش0:25

0:25

Desktop model of Computer Space -- Learn Guide coming soon. Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…

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JP’s Product Pick of the Week 4/29/25 TLV320DAC3100 Recap 1:00

15 روز پیش1:00

1:00

#newproducts JP’s Product Pick of the Week 4/29/25 TLV320DAC3100 I2S DAC w Headphone and Speaker Outs https://www.adafruit.com/product/6309 Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…

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1
JP’s Product Pick of the Week 4/29/25 20:55

15 روز پیش20:55

20:55

#newproducts JP’s Product Pick of the Week 4/29/25 TLV320DAC3100 I2S DAC w Headphone and Speaker Outs https://www.adafruit.com/product/6309 Deep discount during livestream Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Adafruit on Instagram: https://www.instagram.com/adafruit Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…

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1
Piranha Pi Camera 2:19

15 روز پیش2:19

2:19

Build a Piranha Plant themed camera using a Raspberry Pi 5! Guide: https://learn.adafruit.com/piranha-pi-cam The Warp Pipe-shaped base houses the Pi 5 with a fan and a 4" touch screen. A camera module is housed inside the Piranha mouth. The case has access to the USB ports with vents on the side to keep the Pi cool. Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Adafruit on Instagram: https://www.instagram.com/adafruit Shop for parts to build your own DIY projects http://adafru.it/3dprinting 3D Printing Projects Playlist: https://www.youtube.com/playlist?list=PLjF7R1fz_OOWD2dJNRIN46uhMCWvNOlbG 3D Hangout Show Playlist: https://www.youtube.com/playlist?list=PLjF7R1fz_OOVgpmWevin2slopw_A3-A8Y Layer by Layer CAD Tutorials Playlist: https://www.youtube.com/playlist?list=PLjF7R1fz_OOVsMp6nKnpjsXSQ45nxfORb Timelapse Tuesday Playlist: https://www.youtube.com/playlist?list=PLjF7R1fz_OOVagy3CktXsAAs4b153xpp_ Connect with Noe and Pedro on Social Media: Noe's Twitter / Instagram: @ecken Pedro's Twitter / Instagram: @videopixil ----------------------------------------- Visit the Adafruit shop online - http://www.adafruit.com/?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting Subscribe to Adafruit on YouTube: http://adafru.it/subscribe Adafruit Monthly Deals & FREE Specials https://www.adafruit.com/free?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting Join our weekly Show & Tell on G+ Hangouts On Air: http://adafru.it/showtell Watch our latest project videos: http://adafru.it/latest?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting 3DThursday Posts: https://blog.adafruit.com/category/3d-printing?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting New tutorials on the Adafruit Learning System: http://learn.adafruit.com/?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting Music by Dan Q https://soundcloud.com/adafruit -----------------------------------------…

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1
Back to some hardware... with the Sparkle Motion Stick! 🌈🪄 3:11

16 روز پیش3:11

3:11

Over the holiday break, we designed a few Sparkle Motion (https://www.adafruit.com/search?q=sparkle+motion) ESP32 boards for use with WLED. They’ve been working well, so we decided to finish up the third version we cooked up—a USB “stick” for quick builds that you can power from a wall adapter, computer, or even a USB battery pack for portability. We managed to fit in a fuse, an I²S microphone, infrared-remote input, a mode-select button, two level-shifted outputs, and terminal blocks. It’s designed to fit inside a pre-made snap-fit case (https://www.adafruit.com/product/6176). Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ ----------------------------------------- #esp32 #wled #diy…

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1
Minecraft Bee Fidget 0:50

16 روز پیش0:50

0:50

Every week we'll 3D print designs from the community and showcase slicer settings, use cases and of course, Time-lapses! This Week: Minecraft Bee Fidget By Tyron_Makes_Stuff makerworld.com/en/models/1279928-minecraft-bee-fidget-1-20th-scale Bambu X1C Black Brown Yellow White PLA 2hr 35mins X:21 Y:21 Z:25mm .2mm layer / .4mm Nozzle 6% Infill / 1mm Retraction 200C / 60C 11g 230mm/s ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Adafruit on Instagram: https://www.instagram.com/adafruit Shop for parts to build your own DIY projects http://adafru.it/3dprinting 3D Printing Projects Playlist: https://www.youtube.com/playlist?list=PLjF7R1fz_OOWD2dJNRIN46uhMCWvNOlbG 3D Hangout Show Playlist: https://www.youtube.com/playlist?list=PLjF7R1fz_OOVgpmWevin2slopw_A3-A8Y Layer by Layer CAD Tutorials Playlist: https://www.youtube.com/playlist?list=PLjF7R1fz_OOVsMp6nKnpjsXSQ45nxfORb Timelapse Tuesday Playlist: https://www.youtube.com/playlist?list=PLjF7R1fz_OOVagy3CktXsAAs4b153xpp_ Connect with Noe and Pedro on Social Media: Noe's Twitter / Instagram: @ecken Pedro's Twitter / Instagram: @videopixil ----------------------------------------- Visit the Adafruit shop online - http://www.adafruit.com/?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting Subscribe to Adafruit on YouTube: http://adafru.it/subscribe Adafruit Monthly Deals & FREE Specials https://www.adafruit.com/free?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting Join our weekly Show & Tell on G+ Hangouts On Air: http://adafru.it/showtell Watch our latest project videos: http://adafru.it/latest?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting 3DThursday Posts: https://blog.adafruit.com/category/3d-printing?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting New tutorials on the Adafruit Learning System: http://learn.adafruit.com/?utm_source=youtube&utm_medium=videodescrip&utm_campaign=3dprinting Music by Dan Q https://soundcloud.com/adafruit -----------------------------------------…

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1
CircuitPython Weekly Meeting for April 28, 2025 24:29

17 روز پیش24:29

24:29

Notes document is available here, with timecodes: https://github.com/adafruit/adafruit-circuitpython-weekly-meeting/blob/main/2025/2025-04-28.md Join here for the chat all week: http://adafru.it/discord The CircuitPython Weekly normally is held at 2pm US ET/11am us PT on Mondays. Check the #circuitpython-dev channel on Discord for notices of change in time and links to past meetings. Meeting times are also available in iCal format using the following link: https://raw.githubusercontent.com/adafruit/adafruit-circuitpython-weekly-meeting/master/meeting.ical or view it in your browser: https://open-web-calendar.herokuapp.com/calendar.html?url=https://raw.githubusercontent.com/adafruit/adafruit-circuitpython-weekly-meeting/master/meeting.ical CircuitPython development is sponsored by Adafruit. Please support them by purchasing hardware from https://adafruit.com. Reminders: Podcast available on most services. Let us know if we’re missing some. 0:00 Housekeeping 2:05 Community News 6:07 State of CircuitPython, Libraries & Blinka 14:00 Hug Reports 16:30 Status Updates 24:00 In the Weeds 24:12 Wrap-up ----------------------------------------- Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…

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1
Deep Dive w/Scott: CircuitPython debugging 2:05:52

19 روز پیش2:05:52

2:05:52

Join Scott for his last deep dive before more paternity leave. He'll be debugging CircuitPython code. Not sure what. He'll also answer any questions people ask and provide an update on the garbage collection improvements. Visit the Adafruit shop online - http://www.adafruit.com 0:00 Getting started 1:14 Hello everyone - welcome to Deep Dive w/Scott 1:37 Circuit Python - runs on Adafruit Metro RP2350 and many other microprocessors 2:43 Scott's last Deep Dive for the year - then Dad mode and part time 4:00 question about databases on CP - BTree and SQLite 6:43 New 16 inch Framework Laptop ( upgraded from 13 inch ) 9:00 Garbage Collection last week 10:30 Met with MicroPython developers on Tuesday 11:35 Adjusting GC stack speed things up 13:24 working on USB PR commit #10821 16:57 CI scheduler overview 19:07 Shrinking USB static buffers to get the CI to run again 23:10 Merge the "fix" into gc_selective_collect 25:05 test mimxrt10xx port 28:59 looking at linker scripts for sizes 38:00 checking the esp-idf template memory.ld.in 42:00 found "Internal SRAM0 and SRAM1" in datasheet 45:49 back to PR 10293 51:00 investigate second stage boot loader 54:30 linker scripts "digression" 1:09:00 switch to the Fruit Jam 1:13:30 Fruit Jam booted 1:17:39 debug the startup crash 1:25:30 audio playback buffers 1:33:00 examine rp2350 Datasheet DMA and continue to debug DMA 1:50:22 maybe console uart running background task triggers issue 1:52:43 audio_dma_stop called twice? 1:58:27 any final questions? adfru.it/discord 2:04:00 wrap up - thanks to Tim for future deep dives ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…

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1
John Park's CircuitPython Parsec: Constant Current Fade 3:24

20 روز پیش3:24

3:24

#circuitpythonparsec Fade LEDs with constant current for a flicker-free look! https://github.com/jedgarpark/parsec/blob/main/2025-04-25/code.py https://www.adafruit.com/product/4886 Learn about CircuitPython: https://circuitpython.org Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…

Adafruit Industries

1
John Park's Workshop Live 4/24/25 55:30

20 روز پیش55:30

55:30

John Park's Workshop Live 4/24/25 Computer Space Mini Arcade CircuitPython Parsec JPPPoW recap Projects and more! Visit the Adafruit shop online - http://www.adafruit.com ----------------------------------------- LIVE CHAT IS HERE! http://adafru.it/discord Adafruit on Instagram: https://www.instagram.com/adafruit Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…

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1
#NewProducts 4/23/25 Feat. USB C PD to 2.1mm Cable with Selectable Voltage Button! 6:07

20 روز پیش6:07

6:07

Transparent Snap-on USB to Terminal Block Case / Enclosure (0:10) https://www.adafruit.com/product/6177?utm_source=youtube&utm_medium=videodescrip&utm_campaign=newproducts Snap-on Translucent USB Three Port Enclosure - 60x30x15mm (0:10) https://www.adafruit.com/product/6175?utm_source=youtube&utm_medium=videodescrip&utm_campaign=newproducts Snap-on Translucent USB Dongle Case - 48 x 22 x 12mm (0:10) https://www.adafruit.com/product/6176?utm_source=youtube&utm_medium=videodescrip&utm_campaign=newproducts USB C PD to 2.1mm Cable with Selectable Voltage Button (4:24) https://www.adafruit.com/product/6265?utm_source=youtube&utm_medium=videodescrip&utm_campaign=newproducts ----------------------------------------- New nEw NEWs New Products, News, and more: https://www.adafruit.com/newsletter #newnewnew Shop for all of the newest Adafruit products: http://adafru.it/new Visit the Adafruit shop online - http://www.adafruit.com Adafruit on Instagram: https://www.instagram.com/adafruit LIVE CHAT IS HERE! http://adafru.it/discord Subscribe to Adafruit on YouTube: http://adafru.it/subscribe New tutorials on the Adafruit Learning System: http://learn.adafruit.com/ -----------------------------------------…

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1
EYE ON NPI - Bulgin's Battery Holders for Diverse Applications 7:45

21 روز پیش7:45

7:45

This week's EYE ON NPI is for those who need easy-to-maintain battery power for quick field maintenance - it's Bulgin's Battery Holders for Diverse Applications (https://www.digikey.com/en/product-highlight/b/bulgin/battery-holders-for-diverse-applications) a variety of battery enclosures and fixtures that will give your customers easy access to replace batteries no matter what size and configuration! If your product is going to be portable, or if you want battery back-up for timekeeping/configuration/sleep-modes, then you're going to need primary or secondary battery cells built into the design. Secondary cells (https://www.digikey.com/en/products/filter/batteries-rechargeable-secondary/91) are fairly popular these days: those are rechargeable batteries like Li-Poly packs. These are lightweight and high energy-density, which is why you see them everywhere from EV cars (https://www.digikey.com/en/blog/safety-first-approach-to-ev-and-battery-storage) to your Bluetooth earbuds. But they are not very user-friendly to replace, and if damaged can cause fires. They're also more challenging to ship by air due to restrictions on declarations and packaging of bare and with-equipment lithium cells. (https://www.ups.com/us/en/support/shipping-support/shipping-special-care-regulated-items/hazardous-materials-guide/how-to-ship-batteries) and for some field-use devices that may be used for long periods without being near a power outlet, being able to carry extra cells, for quick replacement, is a boon. For those reasons, there's still lots of products that run on your standard-issue primary batteries (https://digikey.com/en/products/filter/batteries-non-rechargeable-primary/90) a.k.a. 1.5V AAA, AA, C, D and 9V batteries. Of course, these days lots of people also use rechargeable NiMH in the same package: they are lower voltage, only 1.3V instead of 1.5V nominal, and have about 30% less energy but can be recharged safely/externally very easily. You can buy them at any corner store anywhere in the world for a few dollars and they have low self-discharge rates so they can be stored for many years. If you decide to go with standard-size batteries, you'll also need a way to hold them securely inside an enclosure. We like the look of these Bulgin battery holders (https://www.digikey.com/en/product-highlight/b/bulgin/battery-holders-for-diverse-applications) particularly the ones that mount to an enclosure wall and allow replacement without requiring a battery door that is custom molded. There's even options for IP67 hand-removable/replaceable covers for excellent waterproof-ness even in harsh environments while not sacrificing user-friendliness. On the inside of the enclosure you have solder lugs for easy attachment to your PCB by solder or spade connects. For many of the battery holders, a simple round drilled or punched hole is all that is needed. For your next battery-powered designs, take a look at Bulgin battery holders (https://www.digikey.com/en/product-highlight/b/bulgin/battery-holders-for-diverse-applications) - DigiKey has dozens of options in stock for immediate shipment. Order today and you'll get any of the Bulgin varieties shipped immediately so you can power your prototype by tomorrow afternoon!…

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