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

Common Emitter PNP Relay (CB25611E)
This relay shield was found in the October 1993 Electronics Now magazine. The circuit is powered by...
Regulator 12 V x 1 A 723 (CB14529E)
In the figure we have the basic configuration of a regulator for 12 V x 1 A suggested by Motorola in...
Sound Detector 741 (CB17585E)
This circuit can be used as part of a Vox project or as an input shield for a microcontroller that...

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