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In this post we discuss how to modify an existing button start system in motorcycles so that it’s disabled as soon as the engine has started and gained the required minimum amount of RPM. The idea was requested by Mr. Jordan Circuit Requirements I just discovered your splendid site/blog with focus on education about electronics. … Read moreMotorcycle Button Start Locking Circuit
The first article below discusses a Full bridge or H bridge based Bidirectional motor controller circuit using the 4 opamps from the IC LM324. In the second artilce we learn about a high torque bidirectional motor controller circuit using IC 556 Introduction Generally, mechanical switches are accustomed to adjust the direction of rotation of a … Read more2 Simple Bidirectional Motor Controller Circuits Explored
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
In this article we will try to understand how scalar control algorithm is implemented for controlling induction motor speed with relatively straightforward calculations, and yet achieve a reasonably good linearly variable speed control of the motor. Reports from many top market analysis reveal that induction motors are the most popular when it comes to handling … Read moreUnderstanding Scalar (V/f) Control for Induction Motors
In this article we learn how to design and build a solid state contactor circuit using triacs for operating heavy duty loads like submersible borewell pump motors with high reliability, and without any concerns about wear and tear issue or long term degradation issues of the contactor unit. What is a Contactor A contactor is … Read moreSolid State Contactor Circuit for Motor Pumps
In this post we are going to learn about L298N dual H-bridge DC motor driver module which can be used to drive brushed DC motors and stepper motors with microcontrollers and ICs. Overview Modular circuit boards are best time savior for electronics designers which also reduce the prototyping errors. This is mostly preferred by programmers … Read moreL298N DC Motor Driver Module Explained