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3 Simple DC Motor Speed Controller Circuits Explained

3 easy to build speed controller circuits for DC motors are presented here, one using Mosfet IRF540, second using IC 555 and the third concept with IC 556 featuring torque processing. Design#1: Mosfet based DC Motor Speed Controller A very cool and easy DC motor speed controller circuit could be build using a just a … Read more3 Simple DC Motor Speed Controller Circuits Explained

Convert Audio Amplifier into Pure Sinewave Inverter

If you are not too keen in understanding the deep technical aspects of a true sine wave power inverter, yet want to build it within a couple of hours, then this article will help you to accomplish it using an audio power amplifier and some DC motors. Here we’ll how to convert audio amplifiers into … Read moreConvert Audio Amplifier into Pure Sinewave Inverter

7 Simple Inverter Circuits you can Build at Home

4047 simple inverter circuit

These 7 inverter circuits may look simple with their designs, but are able to produce a reasonably high power output and an efficiency of around 75%. Learn how to build this cheap mini inverter and power small 220V or 120V appliances such drill machines, LED lamps, CFL lamps, hair dryer, mobile chargers, etc through a … Read more7 Simple Inverter Circuits you can Build at Home

Arduino Full-Bridge (H-Bridge) Inverter Circuit

A simple yet useful Microprocessor based Arduino full-bridge inverter circuit can be built by programming an Arduino board with SPWM and by integrating a few mosfets with in H-bridge topology, let’s learn the details below: In one of our earlier articles we comprehensively learned how to build a simple Arduino sine wave inverter, here we … Read moreArduino Full-Bridge (H-Bridge) Inverter Circuit

Make this Buck Converter Using Arduino

In this project we are going to step down 12v D.C to any D.C value between 2 and 11volts. The circuit which steps down the D.C voltage is known as buck converter. The output voltage or step down voltage needed is controlled using a potentiometer connected to arduino. By Ankit Negi INTRODUCTION TO CONVERTERS: There … Read moreMake this Buck Converter Using Arduino

Automatic Irrigation Circuit using Arduino

In this post we are going to construct an automated water irrigation system for small garden using arduino and soil moisture sensor. Introduction The proposed system can monitor the soil moisture level and when soil moisture goes below preset value, the 12V DC pump will be triggered for predetermined period of time. The status of … Read moreAutomatic Irrigation Circuit using Arduino

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