This circuit was found in an Electronics Now of the 80s applying to NiCad batteries of the time. The circuit is powered by a 12 VAC source, for example, the secondary of a transformer.
This simple circuit with sensors formed by bars or separate screens triggers in the presence of...
This simple circuit presents a voltage gain of about 1,500. The input impedance is high and the...
This circuit came out in a Frances Toute LÉlectronique magazine from July 1978, but can still be...