The AI-On-The-Edge-CAM board, however, appears to have just been introduced and had two pieces left in stock selling for $28 on Tindie when I started this article, and is now out of stock. You can ...

The ESP32 is a microcontroller that provides an API for Bluetooth A2DP which can be used to receive sound data e.g. from your Mobile Phone and makes it available via a callback method. The output is a ...