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#ESP32
23 posts18 participants10 posts today
I'm having a look at an ESP32-A1S audio kit that is widely available.
There is what looks like a handy GPIO breakout on the board.
Until you realise that 4 of the pins are pulled high for use with the buttons; 1 is a strapping pin and has to be left floating to use the built-in audio codec; 1is the shutdown pin for the amplifier; and 2 are the USB RX/TX link so their use is limited too.
So from the 9 IO pins broken out, only one is (as far as I can see) actually free to use!
#ESP32-A1S
New on Lectronz: LILKA assembly kit: DIY console created in Ukraine https://lectronz.com/products/lilka-assembly-kit-diy-console-created-in-ukraine by @autkin
#ESP32 #Gaming #Retrocomputing
lectronz.comLILKA assembly kit: DIY console created in UkraineLILKA is an open hardware DIY console created in Ukraine by Andrew Dunai (and3rson).
Im using espnow protocol to link sensors to a pure data patch #esp32 #espnow #puredata #uidesign #design #arduinoide #interface #interfacedesign
In this video, I demonstrate how to configure the target device using a specific channel over ESP-NOW, utilizing the ESP32 Camera CLI project and the #ESPNowCam library.
More info in the description:
https://youtu.be/ibuKil7jjsg #ESP32 #CLI #ESPNow
Revisiting my Duppa LED Rings this time using Waveshare Zero format devices to support USB MIDI CC controllers.
https://diyelectromusic.com/2025/04/06/duppa-i2c-midi-controller-part-4/
My #ESPHome setup for the #mmWave presence sensor is ready!
Next: design a case for #3DPrinting & soldering. 
As config took some digging, here’s my setup:
https://git.hierl.dev/benny/ESP32-mmWave-Sensor
Blinky+Blippy Clock kann offline oder online betrieben werden 
Jamming on the idea of Hackdays-on-a-stick. An #ESP32 is probably too minimal as a device, but still educational how vendors like #M5stack try to package these low cost microcontrollers for schools and even kindergarten level users. #datahackdaysuri
Nice little trick to improve the WiFi on your #ESP32 boards with PCB antenna. The improvement is clearly visible 
https://peterneufeld.wordpress.com/2025/03/04/esp32-c3-supermini-antenna-modification/
Not everything in this life is Drupal, and at the last Metcamp, our in-person annual meeting, we built a do-it-yourself remote-controlled boat. It was super fun, so we want to show you how to make your own boat!
https://www.youtube.com/watch?v=QlD1cG47ucs
Article: https://metadrop.net/en/articles/building-rc-boat-using-esp32
It's Thursday, and that means another #Zephyr video! 
I dive more into the Devicetree and how bindings files work to connect driver code. There's even a challenge at the end to test your skills. Check it out!
https://www.youtube.com/watch?v=nL1kZ3kPyo0
Continued thread
Voice-Controlled LED Ring (#ESP32 + Gemini #LLM)
https://github.com/google-gemini/cookbook/tree/main/examples/iot/esp32/voice_led_controller