Kushagra Keshari
Published © CC BY-NC-ND

Stepper Motor Speed Control with an NE555 Timer

A simple project to make a speed controller for a stepper motor, useful for testing motors.

BeginnerFull instructions provided1 hour2,740
Stepper Motor Speed Control with an NE555 Timer

Things used in this project

Hardware components

NE 555 timer IC
×1
A4988 motor driver
×1
Jumper wires (generic)
Jumper wires (generic)
You might need less but having some extra wires don't hurt.
×16
Adafruit 12 volt 5A switching power supply
Any 12 volt DC power source can be used as long as it can supply enough current to drive the stepper motor(At least 1A).
×1
Solderless Breadboard Half Size
Solderless Breadboard Half Size
×1
Capacitor 1 µF
Capacitor 1 µF
Try experimenting with different capacitors but take care of voltage and polarity.
×1
Resistor 1k ohm
Resistor 1k ohm
×1
LED (generic)
LED (generic)
Optional component.
×1
Resistor 330 ohm
Resistor 330 ohm
Use if using the LED mentioned above.
×1

Story

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Schematics

555 timer stepper motor

Make sure to go through the circuit schematic carefully before making wiring connections.

Credits

Kushagra Keshari

Kushagra Keshari

16 projects • 35 followers
A casual electronics and a model railway hobbyist.

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