A 19" rack cabinet filled with electronics and AVR microcontroller modules — I called it: The rack box project!
Serial interface module, with analog and digital I/O — AVR
Serial (RS-232) interface module; providing 6 analog and 2 digital inputs, and 9 digital outputs. Uses an AVR ATmega8 microcontroller.
Serial port I/O module with 15 inputs — AVR
Serial (RS-232) interface module; providing 15 digital inputs. Uses an AVR ATmega8 microcontroller.
AVR car front lights controller
Lights controller for high beams and fog lights on my Subaru. Uses an AVR ATtiny2313 microcontroller.
Security keypad with programmable PIN — AVR
Keypad with programmable PIN code, two outputs (modes) and protection against repeated incorrect PINs. Uses an AVR ATtiny2313 microcontroller.