- NewSoftSerial by Mikal Hart
All new and improved, based on AFSoftSerial. Supports up to 57600.
- CapSense by Paul Badger
Turn your Arduino into a capacitive sensor.
- I²C master by dsscircuits
Supports ‘repeated start’.
- shiftpwm by elcojacobs.com
PWM with shift registers (74HC595, MBI5168…).
Very basic code to get going with said chip.