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 […]
Simple Buzzer Circuit using 8 Ohm Speaker
The discussed circuit produces sounds which resembles to an authentic buzzer. It operates using just two integrated circuits and a minimal number of components. When you press the switch S1, […]
Simple Self-Regulating Battery Maintainer Charger Circuit
This article describes a clever and simple automatic battery charger circuit that only uses two transistors! This circuit automatically adjusts the charging power based on the battery’s charge level, by […]