This circuit without sensors in series triggering an SCR was found in volume 5 of the 1995 Encyclopedia of Electronic Circuits. The circuit can have the number of sensors changed.
This small FM spy transmitter uses three transistors with an RF amplification stage. We found it...
This circuit makes use of a constant current source to control the temperature of a direct current...
This circuit with a voltage comparator is delayed by the capacitor. The circuit drives a power...