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

Electric fence (CB6230E)
This configuration that appears elsewhere on this site was found in a Popular Electronics of the 1980s. The...
Amplifier LM386 with Pre 741 (CB18632E)
In the figure we have a small general-purpose amplifier with the LM386 integrated circuit and...
Interface or Shield with Comparator 2 (CB13111E)
An interesting solution that can be provided in some cases is the one shown in the figure in which...

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