[Scullcom] has posted the second part of his function generator build tutorial. [Scullcom] previously posted the first part of this build which covered the XR2206 monolithic function generator IC ...

Thats where this function generator sent to us by [Mohonri]comes in. Based around a ATTiny25 and a rail to rail op amp which is able to replicate frequencies from 1Hz to about 40KHz, in square ...