outputs
I2C 20x4 LCD
RGB LED
Standard 16 x 2 LCD
TM1637 4 Digit Display
L298N Motor Driver - DC Motor
Sabertooth 2x5
EasyDriver Stepper
L298N Motor Driver - Stepper
ULN2003 Stepper Motor Driver
Hobby Servo
Pololu Maestro Servo Controllers
DUE DACx
I2C Write