Automatic headlight shutdown (CB7260E)

This circuit for automotive use was found in American documentation from the 90s. The circuit uses common components today. The relay is 12 V.

| Clique na imagem para ampliar |

Simple Timer 555 (CB19025E)
This timer was found in the Texas Instruments 1996 linear applications manual. The relay must be...
Photoelectric comparator (CB7508E)
This circuit compares two light intensities, providing the indication on an analog instrument. The...
Transistor Voltmeter (CB16238E)
This circuit was obtained in a 1983 publication. It is a 1-transistor voltmeter, capable of...