In this project we are going learn how to make a simple unipolar stepper motor driver circuit using 555 timer IC. Apart from 555 timer we also need IC CD […]
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How Crank Flashlights Work
A crank flashlight basically works by hand cranking a permanent magnet motor, which generates electricity for illuminating the attached LEDs. Motor Becomes a Generator Normally, a permanent magnet motor is […]
Electric Wheelchair using BLDC Motor
In this post we learn how to make a simple electric wheelchair circuit using a standard BLDC motor driver circuit, and a couple of high power BLDC motors. Introduction The […]
High Current Sensorless BLDC Motor Controller using Back EMF
In this post we discuss a high current sensorless BLDC motor controller circuit which does not depend on hall effect sensors for initiating the operations rather utilizes the back EMF […]
Transformerless AC Voltmeter Circuit Using Arduino
In this article we learn how to make a transformerless AC voltmeter using Arduino. Making an analog voltmeter is not an easy task as to build one you must have […]
110V, 14V, 5V SMPS Circuit – Detailed Diagrams with Illustrations
In this post we learn how to apply the IC L6565 for making a compact multi purpose 110V, 14V, 5V SMPS circuit using minimum number of external components. Implementing quasi-resonant ZVS […]