First Prototype

A project log for ATmega 328 Panasonic Remote

Using an ATmega 328 and an IR diode to make a low power remote replacement for my PV-D4733S

Sudo BashSudo Bash 07/08/2020 at 22:520 Comments

I've completed a first prototype on a breadboard:

Currently, I am testing the button matrix by touching a wire to different pins on the ATmega. The code is using ATmega Timer 1 COMPA and COMPB to oscillate the IR led at the Panasonic carrier frequency and uses the 16 bit Timer 2 to time toggling the carrier on and off.

I am starting work on a second prototype using perfboard: