Found in a Motorola manual from the 1980s, this circuit uses components from the era. The circuit controls lamps from 5 to 48 W from 12 to 14 V.
This frequency modulated light transmitter is from a 1990s documentation. The circuit may use...
The basis of this circuit is an LM380 that drives a speaker that emits sound when moisture is...
This precision circuit can provide timings from 0.2 milliseconds to 3 minutes accurately. The...