This circuit was found in the June 1990 issue of Radio Electronics magazine. The maximum current is 1 A and the integrated circuits must be mounted on heat sinks.
Found in an English documentation from 1989, this circuit uses components common today. The...
The LED frequency flashes depends on the value of the capacitor tested according to the table. We...
Found in a Popular Electronics from the 90s, this circuit generates a signal that depends on the...