Arduino & Touchdesigner

You can connect your arduino to TD to send & receive data

Various tutorials connecting TD & Arduino (no firmata)


Using Firmata

What is Firmata?

Firmata is a protocol for communicating with microcontrollers (like Arduino) from software on a computer, using a standardized messaging format over serial communication (usually USB). It allows you to control and read from Arduino pins in real-time, without needing to constantly upload new Arduino sketches.