Using a sensor from the time, this circuit was found in the 1992 Radio Electronics Handbook magazine. The circuit uses a pair of integrated two-digit A/D converters.
This circuit draws one of the three possible guesses of a sports lottery logo: column 1, 2 or the...
This Tesla coil was found in the November 1994 issue of Electronics Now magazine. T1 is a TV...
Hartley oscillator operates in the audio range. Frequency can be adjusted by P1 and also depends...