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You are here: Home / Archives for Motor Controller

Variac Circuit for Controlling Large DC Shunt Motors

Last Updated on December 31, 2020 by Swagatam Leave a Comment

The simple DC shunt motor controller circuit presented in the following article uses a variac. This design facilitates an instant stopping of the motor at any stage with a flick […]

Filed Under: Motor Controller

Easy H-Bridge MOSFET Driver Module for Inverters and Motors

Last Updated on December 16, 2020 by Swagatam 8 Comments

If you are wondering if there’s an easy way to implement an H-bridge driver circuit without using the complex bootstrapping stage, the following idea will precisely solve your query. In […]



Filed Under: Inverter Circuits, Motor Controller

Adjustable Drill Machine Speed Controller Circuit

Last Updated on October 16, 2020 by Swagatam 3 Comments

The proposed variable drill speed controller circuit maintains a constant (adjustable) speed over the drill machine motor, regardless of the load. One of the most used power tools is the […]

Filed Under: Motor Controller

Automatic Door Circuit using PIR – Touchless Door

Last Updated on July 8, 2020 by Swagatam 4 Comments

Along with social distancing and masks, the other major thing the post COVID-19 era has compelled the world to implement is to go touchless. This is being recommended for the […]

Filed Under: Motor Controller

Constant Torque Motor Speed Controller Circuit

Last Updated on February 20, 2020 by Swagatam 5 Comments

The post explains a DC Motor controller which features a constant torque compensation for enabling the motor to run at a consistent speed irrespective of the load on it. Drawback […]

Filed Under: Motor Controller

2 Simple Bidirectional Motor Controller Circuits Explored

Last Updated on February 23, 2020 by Swagatam 16 Comments

A circuit which allows a connected motor to operate in clockwise and anticlockwise directions through alternate input triggers is called a bidirectional controller circuit. The first design below discusses a […]

Filed Under: Motor Controller, 324 IC Circuits, Simple Circuits



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