DC motor direction change circuit

Change the Direction of a DC Motor

September 9, 2025 admin 0

This circuit is about how to change the direction of a DC motor using a BC547 transistor. Since the BC547 transistor is a small-signal NPN transistor, it cannot directly drive most motors. So we usually combine it with a relay or {Read More}

LED Light directly with 220v AC

Connect led light to 220v ac Directly

April 20, 2025 admin 0

In this article we are going to explain how to connect led light to 220v ac. In today life it becomes more interesting and more important because people want short method and short circuits. So overcome to meet the challenge {Read More}

1.5v to 220v AC simple inverter

1.5v to 220v AC simple inverter

March 16, 2025 admin 0

this Project 1.5v dc to 220v AC we are going to make a very simple low power inverter.  We have used some components to make this project…..

Fira Alarm circuit using IR sensor

Fire Alarm Circuit using Transistor

January 30, 2025 admin 0

A fire alarm system is a device that makes a loud sound to warn people when there is a fire. In this project we have designed a simple and inexpensive fire alarm circuit by using a transistor BC547 and an {Read More}

Light Dimmer circuit 1000 watts

Light Dimmer Circuit 1000 Watts Using BT139

September 25, 2020 admin 0

In this article, we are going to explain the 1000W BT139 TRIAC light dimmer circuit by connecting the power line were a raised cardiac dimmer circuit triggered 500k can be adjusted by a potentiometer. It is a commonly used circuit that {Read More}