Adafruit Bluefruit LE SPI Friend - Bluetooth Low Energy (BLE) SF_RFID Tags check out his Heartbeat Straitjacket

check out his Heartbeat Straitjacket and demo video

GET_INPUT can only work with a single channel

the absolute limit for the MOSFETs

or you can make it use an adaptive brightness mode

This allows you even more options to balance performance with power consumption over the original ESP32

Adafruit Bluefruit LE SPI Friend - Bluetooth Low Energy (BLE) SF_RFID Tags check out his Heartbeat StraitjacketWould you like to add powerful and easy to use Bluetooth Low Energy to your robot, art or other electronics project? Heck yeah! With BLE now included in modern smart phones and tablets, its fun to add wireless connectivity. So what you really need is the new Adafruit Bluefruit LE SPI Friend! The Bluefruit LE SPI Friend makes it easy to add Bluetooth Low Energy connectivity to anything with 4 or 5 GPIO pins. With SPI, you don't have to worry about baud