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Motor Controllers

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Simple H-Bridge PWM Driver Circuit using IC 555

Last updated on 17 September 2024 by Admin-Lavi Leave a Comment

A Simple H-bridge PWM driver circuit that makes use of a IC 555 integrated circuit is used to regulate the direction and speed of a DC motor. In this circuit the important part is driver transistors are not used, instead the load which is a motor is driven directly through the two IC 555s. Circuit […]

Filed Under: Motor Controllers

Simple Motor PWM Speed Controller Circuit using IC 555

Last updated on 17 September 2024 by Admin-Lavi Leave a Comment

Forget fiddling with voltage knobs, this clever circuit uses a 555 chip and a technique called PWM Pulse Width Modulation to control your DC motors speed. By rapidly switching the motors power on and off in short bursts we can effectively adjust the average voltage, it experiences ultimately controlling its speed. It is like a […]

Filed Under: Motor Controllers

PWM Motor Speed Control Circuit using Two Transistors

Last updated on 29 July 2024 by Admin-Lavi Leave a Comment

Resistors are helpful for many things, but they are not the best choice for changing motor speed smoothly. That is where a clever circuit with just two transistors comes in. This circuit acts like a fancy dimmer switch for your motor. By turning a knob called a potentiometer, you control the power going to the […]

Filed Under: Motor Controllers, Transistor Circuits

Simple Servo Motor Controller Circuit

Last updated on 18 June 2025 by Admin-Lavi Leave a Comment

Think about a motor which is very special. It can turn to be very exact, this small circuit is like a brain. It tells motor how much to turn using small electric pulses. Long pulse motor move more then the short pulse motor move less. We can say it what to do like move robot […]

Filed Under: Motor Controllers

Simple AC Drill Speed Controller Circuit

Last updated on 18 June 2025 by Admin-Lavi Leave a Comment

Now one can control its own drill. AC drill speed controller is like cruise control but for drill. It helps one to change motor speed so one can work better for any job. Very good when one is doing soft work like wood or metal but need careful hand. There is no need for full […]

Filed Under: Motor Controllers

Adjustable DC Motor Speed Controller Circuit with Reverse Forward Facility

Last updated on 2 June 2025 by Admin-Lavi Leave a Comment

The construction of a circuit for controlling a DC motors speed and direction is discussed in this article. A common chip known as the IC 555 and an special switch are used. One may change the speed by adjusting the amount of power that is sent to the motor PWM using a knob. And can […]

Filed Under: Motor Controllers

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