Found in a 90s Silicon Chip documentation, this circuit provides a current of 3 A and the voltages range from 0 to 20 V. The integrated circuit and the transistor must have heat sinks.
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...