This circuit fires with the noise captured by the touch of a sensor. Signal shapes are given next to the diagram. The circuit is from the 80s, using components from that time.
This traditional direct amplification MW radio configuration was obtained in an American...
Servo motors operate from the changes in the pulse width in a range between 1 and 2 ms. The...
This circuit was found in an ancient American documentation. With it is possible to double the...