- Fri Sep 06, 2013 9:05 pm
#163264
I was wondering if a tinyAVR that only needs 0.7V to operate could use an audio signal as the power source. I am using the Sparkfun 3.5 mm audio jack breakout board, and if I plug in an audio source, can I amplify that signal and rectify it to get 0.7V? If it's possible, how would I do this? Using the TIP and GND pins? I don't have much experience with audio. I'm wondering if anyone has ever tried this or if it has been done.