This circuit can function as both a light alarm and a shadow alarm. The components are common. The circuit includes the power supply. Output transistors must be mounted on heatsinks.
We found this complementary simetry configuration in a1980s documentation. Transistors, which are...
This circuit was obtained from the May 1971 issue of Radio Electronics magazine and is intended for...
This circuit acts as a VU-meter when connected at the output of any audio amplifier, triggering a...