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Notes document is available here, with timecodes: https://github.com/adafruit/adafruit-circuitpython-weekly-meeting/blob/main/2025/2025-03-31.md

0:00 Housekeeping 3:34 Community News 7:10 State of CircuitPython, Libraries & Blinka 17:04 Hug Reports 20:12 Status Updates 26:00 In the Weeds 26:22 Wrap-up

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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.

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/

John Park’s Workshop Live 3/27/25 Larsio Paint Music CircuitPython Parsec JPPPoW recap Projects and more!

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USB Wired Mouse - Two Buttons plus Wheel (0:05) https://www.adafruit.com/product/2025

Raspberry Pi PoE+ Injector (0:32) https://www.adafruit.com/product/6281

Pimoroni Plasma 2350 W - Wireless RP2350 LED Driver - PIM729 (1:40) https://www.adafruit.com/product/6246

Pimoroni Inky Frame 7.3” - Pico 2 W Aboard - PIM737 (2:54) https://www.adafruit.com/product/6247

Adafruit ESP32-S3 Reverse TFT with w.FL Antenna (4:30) https://www.adafruit.com/product/6303

Adafruit TLV320DAC3100 - I2S DAC with Headphone and Speaker Out (5:32) https://www.adafruit.com/product/6309

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The wonderful world of Python on hardware! Episode 307 (March 26, 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

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ASK AN ENGINEER 3/26/2025 LIVE!

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#diy #electronics #live

SHOW and TELL 3/26/2025

This week @adafruit we’re checking out bluetooth speaker inspired by the Severance TV show. Prototyping a new project using a round display. Timelapse video this week features a flexy pangolin designed by FilliFuu.

Speaker Learn Guide https://learn.adafruit.com/bluetooth-speaker/

Speaker YouTube Video https://youtu.be/togv3JSCk14

Feather ESP32 V2 https://www.adafruit.com/product/5400

I2S 3W Amplifier https://www.adafruit.com/product/3006

3W Speaker https://www.adafruit.com/product/4445

Timelapse Tuesday

Flexi Pangolin By FilliFuu https://makerworld.com/en/models/1090887-flexi-pangolin https://youtu.be/q0n6-MRYUzM

Community Makes

https://www.printables.com/make/2501464?comment_id=2501464

Build a 3D printed Bluetooth speaker, inspired by the TV Show Severance. Powered by the Feather ESP32 V2 and the MAX98357A 3W I2S amplifier. 

This project is written in Arduino and uses two libraries by Phil Schatzmann that make using the ESP32 for Bluetooth audio really easy.

Great for playing defiant jazz, watching your favorite TV show, or sync with your mobile device. Just please don’t throw it at your coworkers, as it may cause a nasty bump to the head.

Tutorial, Files and Code https://learn.adafruit.com/bluetooth-speaker/

Feather ESP32 https://www.adafruit.com/product/5400

IS2 Amplifier https://www.adafruit.com/product/3006

3W Speaker https://www.adafruit.com/product/4445

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This week, we worked on a few projects: We’ve got the (hopefully final) TLV320DAC3100 boards (https://www.digikey.com/short/td7742wh). Having spent many weeks on this, we’d like to verify that we have the noise and grounding issues resolved and book PCBs. We’ll need this chip working well for Fruit Jam completion! Speaking of, we made a revision of the design with various fixes and tweaks, so let’s check that out.

Part of testing out Fruit Jam (https://www.adafruit.com/product/6200) is actually using it as a computer, so we’re testing out Jepler’s pico-mac port (https://github.com/jepler/pico-mac/), which has DVI and PIO-USB support. We also designed a board to ‘fix’ missing CC resistors on USB-C connectors— we are surprised such a thing doesn’t exist.

You can build a tap-to-play video player using a Raspberry Pi 5, Adafruit’s NFC Breakout and NFC cards. Full Tutorial: https://learn.adafruit.com/nfc-raspberry-pi-media-player

To play a movie, just tap an NFC card over the 3D printed case. A python script runs code that launches movies in the VLC media player.

The NFC cards are fitted inside a 3D printed case inspired by VHS cassette tapes.

This project aims to make the movie watching experience more special by creating a physical experience. No streaming networks or wifi necessary!

Raspberry Pi 5 8GB: https://www.adafruit.com/product/5813

NFC Breakout: https://www.adafruit.com/product/364

M.2 HAT+ https://www.adafruit.com/product/5902

Active Cooling Fan https://www.adafruit.com/product/5815

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Full tutorial: https://learn.adafruit.com/chinese-dragon-puppet-with-motion-reactive-flame-effect/overview

Make a Chinese Dragon puppet with a dramatic flame LED effect. The lights are motion-reactive so he lights up when you shake him. This project uses an Adafruit Circuit Playground Express with a built-in motion sensor and NeoPixel LED lights. The code is written in Microsoft MakeCode, an easy-to-use drag and drop code editor. (Or maybe in this case, a dragon-drop code editor.)

This is an easy beginner-level project that involves a little bit of soldering. You can download our code sample, or learn to make your own flame effects. This is a fantastic project to do with kids.

Visit the Adafruit shop online - http://www.adafruit.com Erin St Blaine: http://www.erinstblaine.com

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Collin gives Alexa a new persona courtesy of the classic 2-XL trivia bot. Check out the full tutorial available here: https://learn.adafruit.com/echo-2-xl

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Music by Collin Cunningham: http://soundcloud.com/CollinMel

Tonight on Pseudorandom, special guest Phil Burgess speaks on the joys & meticulous details of prop recreation, miniature MAME arcades, and more.

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New tutorials on the Adafruit Learning System: http://learn.adafruit.com/

Music by bartlebeats: http://soundcloud.com/bartlebeats