Archive for 27 Oct 2010

Sound capture (Part1)

Part 1, 2, 3, 4, 5 On one side we have sound, on the other side we want volts. In between, we need a device which will convert air pressure changes into electrical signal changes: a microphone! The one we will use is of the electret type, nammed after the type of membrane in use. It is small, cheap and […]