PWM Temperature Controlled FAN using TC648 and NTC sensor

PWM Temperature Controlled FAN using TC648 and NTC sensor

The project described here is a switch mode fan speed controller for use with brushed or brushless DC motors. Temperature proportional speed control is accomplished using pulse width modulation (PWM). 10K Ohms NTC is used to sense the temperature. The project is built using TC648 chip...

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DC Motor Controller using Relay and MOSFET – Arduino Interface

DC Motor Controller using Relay and MOSFET – Arduino Interface

The project presented here is a low-cost solution to control high power brushed DC motor speed and direction. Traditional DC motor controllers are based on solid-state circuitry known as H-Bridge. Here we have made an H-bridge configuration using high current 2 x relays which can...

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Low-Cost DC Motor Direction Controller with Fast Brake using 2 Relays

Low-Cost DC Motor Direction Controller with Fast Brake using 2 Relays

The project presented here is a low-cost easy to use DC brushed motor direction controller with fast-brake, the project was built using two 12V Relays, 2 x BJT transistors, and 2 x tactile switches. The two LEDs are provided to display the motor direction, 2 tactile switch controls...

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8A Brushed DC Motor Driver with Adjustable Constant Current, Direction Control, Brake Control, Speed Control

8A Brushed DC Motor Driver with Adjustable Constant Current, Direction Control, Brake Control, Speed Control

This is a very powerful brushed DC motor drive system in a small package with a few key features like adjustable constant current control, direction control, brake controls, Alert output, PWM for speed control etc. The project was built using a TB67H303HG chip which is a full-bridge...

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Bidirectional Speed Control for DC Motors

Bidirectional Speed Control for DC Motors

This is a very simple bidirectional speed control of a small DC brushed motor. The project is built using power OPAMP TCA0372 which can drive a load up to 1A. Connecting a small DC motor and trimmer pot will control the motor forward/reverse operation along with speed control. A...

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DC Motor Speed, Direction and Brake Control with NRF24L01 RF Module – Arduino Compatible

DC Motor Speed, Direction and Brake Control with NRF24L01 RF Module – Arduino Compatible

This is Arduino compatible hardware that can control a single DC motor speed, direction, and brake using an RF remote control. The project is based on an ATMEGA328 microcontroller, H-Bridge DC motor driver chip LM18201, NRF24L01 RF module, 5V Regulator, 3.3V regulator and other...

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Development board for Brushless Motor, DC Brushed Motor, AC Motors (Pre-Driver)

Development board for Brushless Motor, DC Brushed Motor, AC Motors (Pre-Driver)

The project described here is a pre-driver for brushless motors with a hall sensor. The board incorporates many features like current monitor, fault, speed control, direction control motor start/stop using tactile switches, various function LEDs, 6 PWM LEDs. By combining it with a...

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