There’s his DIY LED display controlled by an Arduino UNO. To have some text or picture for the display, he’s wired the output of a Bluetooth speaker directly to the Arduino, and sends it ...

So he thought of experimenting with those, and built a ‘Binoctular’ LED clock which uses the Neopixel rings as 7 segment displays ... plain vanilla — an Arduino Nano clone, a DS3231 ...

Maker constructed a 9x9x9 LED cube that can display games in a 3D space ... Towers that can be easily replaced for maintenance Sound Arduino Nano ESP32-S3 BLE support for two MagicseeR1 gamepads ...