Low Voltage Control (CB21155E) This low voltage power control was found in a Popular Electronics from the 90's. The MOSFET can be almost any type depending on the load current. It must have a heat sink. a hre

Lights on reminder for car (CB9531E)
The purpose of this simple configuration, found in old documentation, is to trigger a buzzer if...
Battery Charger (CB6055E)
This circuit was suggested by Texas Instruments in a 1980s documentation. The transistor must be...
Multichannel Two-Wire Remote Control (CB12440E)
This circuit is from a 1997 publication, but it can be assembled with a BD136 for TR1. The...

Low Voltage Control (﻿CB21155E) This low voltage power control was found in a Popular Electronics from the 90's. The MOSFET can be almost any type depending on the load current. It must have a heat sink. a hre