This circuit is based on the TDA3810N. We found it in the March 1992 issue of Radio Electronics magazine. The circuit consists of an audio processor capable of working with two audio channels.
This circuit that uses only transistors indicates when the voltage in the circuit has the voltage...
This is the circuit of a robot published in the June 1992 issue of Radio Electronics magazine. The sensors...
This circuit was found in a 1980s documentation. It decodes by identifying a certain frequency tone...