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 intercom for the 27 MHz band was found in a recent English documentation, working with a...
This simple circuit allows you to control remote control servos that operate with pulses. The...
This circuit consists of a variation of the previous one being activated when the switch is...