PWM Pulse Signal Generator 10Hz–150kHz | Adjustable Duty Cycle
PWM Pulse Signal Generator 10Hz–150kHz | Adjustable Duty Cycle
PWM Pulse Signal Generator – Wide Frequency Range & Adjustable Duty Cycle
Take full control of your electronics projects with this compact, high-performance PWM Pulse Signal Generator. Covering a frequency range of 10Hz to 150kHz with a fully adjustable duty cycle from 0% to 100% (in 1% increments), this module is an essential tool for motor speed control, microcontroller development, and precision signal generation. Made in Mainland China.
Key Features
- Wide Frequency Range: Adjustable from 10Hz up to 150kHz to suit a broad variety of applications.
- Precise Duty Cycle Control: Set your duty cycle anywhere from 0% to 100% in 1% steps, with PWM limits configurable from 0%–70% (lower) and 50%–100% (upper).
- Power-Off Memory: Settings are automatically saved the moment you configure them — no need to re-enter values after every power cycle. Just power up and go.
- High-Definition Digital Display: Real-time readout of both frequency and duty cycle for instant, at-a-glance monitoring.
- Encoder Adjustment: Smooth, tactile rotary encoder input for precise and intuitive tuning.
- Wide Operating Voltage: Compatible with systems ranging from 3.3V to 30V, making it versatile across a wide range of platforms.
- Low Power Consumption: Draws only 20mA operating current — efficient enough for battery-powered or embedded setups.
- Compact & Portable: Palm-sized form factor, ideal for bench use, field testing, and embedded development environments.
Technical Specifications
| Operating Voltage | 3.3V – 30V |
| Operating Current | 20mA |
| Frequency Range | 10Hz – 150kHz |
| Duty Cycle | 0% – 100% (1% increments) |
| PWM Lower Limit | 0% – 70% |
| PWM Upper Limit | 50% – 100% |
| Adjustment Method | Rotary Encoder |
| Package Type | TQFP Module |
| Condition | New |
Ideal Applications
- DC motor speed control
- Microcontroller and embedded system development
- LED dimming and lighting control
- Signal generation for testing and prototyping
- Fan speed regulation
- Servo and stepper motor drive circuits
Package Contents
- 1 × PWM Pulse Signal Generator Module
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Frequently Asked Questions
Q: What is the frequency range of this PWM pulse signal generator?
A: This PWM signal generator module supports a frequency range of 10Hz to 150kHz, making it suitable for a wide variety of motor control, microcontroller development, and signal generation tasks.
Q: Does the PWM generator remember my settings after it is powered off?
A: Yes! The module features an automatic power-off memory function. Your frequency and duty cycle settings are saved instantly after configuration and are automatically restored the next time the module is powered on — no manual re-entry required.
Q: What voltage range does this module support?
A: The PWM pulse signal generator operates over a wide voltage range of 3.3V to 30V, making it compatible with most microcontroller systems, Arduino, Raspberry Pi setups, and standalone DC applications.
Q: How is the duty cycle adjusted on this module?
A: The duty cycle is adjusted using a rotary encoder, allowing precise, step-by-step tuning in 1% increments across the full 0%–100% range. The high-definition digital display shows your settings in real time.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.