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 |

Powerful FM Transmitter (CB18668E)
This small transmitter with 2 transistors can reach several hundred meters using a 30 to 70 cm...
Electronic Potentiometer (CB16905E)
Although modern integrated versions exist, this 1995 circuit shows a discreet solution with common...
Millivoltmeter AC (CB7344E)
This circuit from Ferranti was released in 1969. It makes use of the company's transistors that admit...