All items tagged with Circuit Shorts and ultrasonic (3)

| And then suddenly it arrived – Spring 2020. Despite the corona crisis and lockdown measures, spring will not be contained, and just as well....

| Legions of dog whistles are available from pet shops and by mail order. But with only a few parts you can easily build one that yourself!

| This circuit adjusts the gain of (small) input signals such that the amplitude of the output signal is constant over a wide range. The contr...