I recently did tests with the IR sensor of a broken dvd player. The frenquencies of the signals are below 44kHz, wich means you can use the microphone input of your computer and audacity to record ...

But [romain] doesn’t have to watch and wait for the info they want. Thanks to an IR proximity sensor, [romain] can interrupt the cycle and get the date, time, temperature, or even a smiley ...