Archive for date: July 17, 2011

Using the Arduino to send audio via pulse width modulation

July 17, 2011 | electronics | By: Mark VandeWettering

I’m still interested in doing light based communication, but I haven’t made a lot of progress. I did build an LTSpice model of the circuit I used yesterday, but other than verifying that it probably would work as built (which it did) I didn’t feel like I had enough brain cells working to optimize the […]