The audio component centers around the SS8550 PNP transistor (Q1) which serves as a driver for the passive buzzer (BZ1). This ...

You can build something cheaper and more customizable with an ESP32 or a Raspberry Pi, and that's what I did. It's beautiful, ...

C" is a tiny ESP32 board designed to run WLED open-source firmware that supports WS2812(B) RGB LED strips. It also supports ...