Circuit and code to convert button presses on a generic wired Renault remote to commands for an aftermarket JVC car stereo, using an ATtiny85 or an ATmega88.
ATmega version supports:
VOLUME_UP
VOLUME_DOWN
MUTE
NEXT
PREV
EQUALIZER
SOURCE
ATtiny version supports:
VOLUME_UP
VOLUME_DOWN
MUTE
NEXT
PREV
apt-get install avr-libc gcc-avr avrdude# compile for ATmega
make
# flash to ATmega
make flash# compile for ATtiny
make tiny
# flash to ATtiny
make flashtiny$ make clean