ertrocalli

Jeff Hahn led-touch surface

Using Light Emitting Diode Arrays as Touch-Sensetive Input and Output Device - Scott E. Hudson

Datasheet of the PIC16LF87x 8-Bit CMOS Flash Microcontrollers series.
Datasheet of the ATmega16 Microcontrollers series.
Datasheet of the ATmega168 Microcontrollers series.