Up inside the hat is an Arduino Nano driving WS2812B LEDs and a portable battery to power everything. Thanks to an HC-05 Bluetooth module, the show can be controlled with an Android app.

The build uses a 16×16 addressable LED matrix. [Jens] then ported some “Bouncy Bubbles” Processing code from Keith Peters to the Arduino Mega, and set it up to display on the matrix.

Smoke machine:** - Vape - Air pump - Plastic/silicone tube - Liquid container - T/L connectors (for the tubes) **Other ...

Description: In this project I did a Christmas jumper with rgb LEDs, this can also be a creative clothing project or whatever you want. It uses rgb LEDs that are controlled by an Arduino-based ...

Tobers Multidisplay turns your LED-Matrix display into a widely configurable and customizable message center. For ESP8266 or ESP32 and MAX7219 8x8 LED matrix modules. The display can show time, date, ...