H-Bridge Perfboard Designs | DC | Stepper

This page presents images and videos about different motor drivers developed to control DC and Stepper motors.

Stepper Motors Drivers with H Bridges

Schematic for a bipolar motor driver using the L297 and L298.

Schematic for a bipolar motor driver using the L297 and L298.

L297 and H Bridge Circuits on Breadboard

The circuit uses an Arduino Uno and a L297 to create the control signals. It also uses two H Bridges with TIP142T transistors.

The following video presents the initial circuit tests on a Breadboard.

Testing of the bipolar motor driver on the breadboard.

Stepper Motor Drivers with L297 and H Bridge Circuits

The circuit previously tested on a breadboard was placed on a perfboard to create a prototype.

The Perfboard Prototype was tested with two motors.

The first motor had the following characteristics:

• TYPE 103H7123-0645
• Basic Step Angle: 1.8°
• Rated Voltage: 12V
• Rated Current [A/Phase]: 2.5 A
• Unipolar - 6 Wires
• Manufacturer: Sanyo Denki

Testing of a unipolar motor driver using the final design.

The second motor had the following characteristics:

• TYPE 103-814-5242
• Basic Step Angle: 1.8°
• Rated Voltage: 2.5 V
• Rated Current [A/Phase]: 4.6 A
• Unipolar - 6 Wires
• Manufacturer: Sanyo Denki

Testing of a 10 W unipolar motor driver using the final design.

DC Motor Drivers with H Bridges

The circuit uses an H Bridges implemented with TIP120 transistors and HD74LS08P AND Gates.

The motor used to test the circuit had the following characteristics:

• TYPE DSM-1240-2AU
• Rated Voltage: 19 V
• Rated speed: 2600 RPM
• Weight: 1 LB-8 OZ
• Manufacturer: TOSHIBA

The following video presents the initial tests of the perfboard prototype.

Testing of a DC motor driver using the final design.

Perfboard design connected to the DC motor.