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 the direction of the motor.

Operation

Connect 12V DC power supply to connector CN1, connect 12V DC brushed Motor to CN2. The motor will run in any direction by pressing any of the switches, other switch will rotate the motor in another direction. When the user leaves the switch fast brake apply as both terminals of the motor are short when both relays are in an OFF state.

Features

• Operating Supply 12V to 14V DC
• Motor Load Up to 10A
• Fast Brake while changing the direction
• 2 x LED to display the direction of the motor
• 2 x Tactile Switches to Control the Direction
• PCB Dimensions 52.55 x 43.18 mm

Schematic

Parts List

Connections

Gerber View

Photos

Video

BC847 Datasheet

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