This voltage inverter uses a small transformer. The circuit was found in the April 1995 issue of Electronics Now magazine. The output current is very low.
This 10-transistor radio was found in Radio Electronics magazine from December 1964. The...
This oscillator uses one of the four ports of a 74C14 integrated circuit and can generate 100 kHz...
This simple humidity alarm circuit includes a timed warning oscillator whose time is set to R4....