Passage Alarm with High Power Output (CB25485E)

This circuit was found in the July 1992 Radio Electronics magazine. The output circuit must be equipped with a heat sink.

| Clique na imagem para ampliar |

10 LED Scale (CB9813E)
Found in a documentation from the 90's, this circuit uses only one integrated circuit. The...
Power Supply for Alarms (CB16777E)
This power supply originally created for the CB16776E project but can be used for any type of 12 V...
100 Hz Oscillator (CB20350E)
The original purpose of this circuit, which we find in old American documentation, is to modulate an...