With the circuit shown in the figure, it is possible to connect or disconnect a load controlled by the relay by touching the sensors X1 and X2.
The LM12 integrated circuit consists of a high-power operating system capable of providing 100 W of...
This power control from Motorola's 1971 SCR Power Control Fudamentals can control full wave loads...
This circuit was found in Maxim's documentation from the 90's. The circuit provides 12 V x 120 mA....