This circuit was found in a Motorola Manual of 1965. The circuit has neon lamps as trigger elements. Equivalent SCRs can be used.
With this circuit it is possible to vary the resistance by adjusting the mark/space reaction of...
This sensitive circuit detects the live pole of a power grid or outlet. The circuit makes use of a high...
In the figure we have the way to connect 6 solar cells in order to obtain higher voltage and...