How to Make a Pulse Motor – Simple DIY Tutorial

Introduction to DIY Brushless Motor00:00:00

This video demonstrates how to use hard cardboard and other materials to DIY a brushless motor, with detailed testing shown later.

Constructing the Rotor00:00:14

Cut hard cardboard into a circular shape for the rotor. Attach four magnets, ensuring consistent magnetic field direction.

Building the Motor Bracket and Stator Coil Holder00:00:40

Use hard cardboard to create the motor bracket and a separate holder for the stator coils.

Winding and Connecting the Coils00:01:10

Wind copper wire clockwise around the holder, making at least 40 turns per group. Two coil groups are needed. Connect their circuits with a reed switch in between.

Assembling the Motor00:02:10

Fix the coil sets onto the motor bracket close to the rotor, and secure the rotor shaft. Adjust the distance between the reed switch and the magnets.

Initial Testing with 1.5V Battery00:03:21

The motor is now complete. Connect a 1.5V battery for testing, and the motor successfully starts. Further testing with a propeller shows good performance under load.

Testing with Higher Voltages (3.7V and 5V)00:04:30

Testing with a 3.7V lithium battery significantly increases speed and torque. A 5V power supply offers a slight additional speed improvement, but the reed switch's reaction time is identified as a limiting factor for maximum speed.