This article transforms a basic capacitive power supply into a safer and more versatile design. The resulting transformerless circuit will offer: This improved design will be suitable for powering a […]
Transformerless Power Supply for LED String Lights
The following transformerless power supply uses an MJE13005 transistor for voltage regulation. It acts like an amplifier controlled by a base zener diode to set the output voltage. A 3uF […]
Simple Transformerless Power Supply Circuit
This post explains how to build an easy transformerless power supply circuits. These circuits are compact and simple and they all use capacitors to step down the AC voltage from […]
Simple FM Remote Control Circuit
This guide will show you how to build your own remote control system for your home! We’ll use a regular FM radio (with a slight modification) to receive the signal […]
Simple Transistor Latching Circuit Explained
In this article, we’ll explore how to build a basic transistor latch circuit using only two BJTs (Bipolar Junction Transistors) and some resistors. Introduction A transistor latch is a type […]
Simple Vehicle Immobilizer Circuit
If you have a car without a security system, or if the one you have isn’t working, you can easily choose an affordable and reliable security solution by setting up […]