Square Wave Generator

A compact adjustable square wave generator producing stable, clean digital pulses across a wide frequency range — without needing a microcontroller or oscillator circuit. Ideal for testing PWM inputs, driving stepper motor controllers, calibrating frequency meters, and prototyping timing circuits.

🔹 Key Applications

• PWM signal source for motor driver testing

• Frequency calibration source for meters and oscilloscopes

• Stepper motor pulse generator for driver testing

• Clock signal injection for digital circuit debugging

• Tone generation and buzzer driver

• Timing circuit validation and education

🔹 Why Choose This Module?

• Wide frequency range — adjustable from low Hz to kHz

• Clean square wave output — accurate duty cycle

• Standalone operation — no microcontroller required

• LED frequency indicator — visible pulse rate feedback

• Compact and breadboard-friendly

🔹 Technical Specifications

• Waveform: Square wave

• Frequency Range: 1 Hz – ~150 kHz (adjustable)

• Output Voltage: 3.3 V – 5 V logic level

• Duty Cycle: ~50%

• Operating Voltage: 3.3 V – 5 V DC

🔹 What's Included

1 × Square Wave Generator Module

🔹 Pro Tip

💡 Use this module to bench-test stepper motor drivers and ESCs before connecting real motors — inject the pulse signal and verify direction and speed response safely. Pair with a logic analyser or oscilloscope to measure exact frequency output.

⚠️ Note: Always ensure proper heat dissipation and correct voltage configuration before powering connected devices.