This circuit was found in a 1967 Japanese documentation. It consists of a touch control system with two transistors from the time. The circuit uses a power source and sensitive relays.
The circuit presented was found in a Motorola documentation from 19761, but it can be assembled with a...
This mixer uses only four passive component and can be used with high impedance sources. The input and...
The configuration shown is a flip-flop that can be triggered by means of two push buttons normally...