I'm making an arduino controlled amplifer. The amplifer itself is a TDA7294 with a lowpass filter, so I can use it on my subwoofer.
I've implemented a IR remote control sensor, so I can turn it on and off, and I have hooked up an LM35dz temprature sensor to measure the temp.
if the temp is going abobe 55 C', a fan is turned on with a relay cooling down the heatsink if the temp is above 85 'C, the arduino turn the amplifier completly off until the amplifier have become cooler.
I still got a lot of IO pins left, and alsoa lot of space on the atmega328p, so my question is; do you guys have some ideas that I can imlement into this project? It was a great experience creating it's code, and I want to continue to add some more functions