Originally designed to analyze the shape of light pulses from a flash for photographic applications, this circuit can be used in other applications. We found it in a Hands On from the 90s.
This circuit, from the 1990 Motorola Dataar Databook, can use any LM139 series comparator. The circuit...
Incandescent lamps of up to a few amps can be placed to flash with this circuit. The frequency depends...
This circuit produces the ticking of a clock on a common piezoelectric transducer. The circuit has an...