PWM Pulse Frequency Duty Cycle Adjustable Square Wave Signal Generator Module | 1Hz–150kHz | LCD Display | DC 3.3V–30V | Dual Mode | High Quality (2025 Version)

Take your electronics projects to the next level with this advanced PWM Signal Generator Module, engineered for precision square wave generation, frequency control, and duty cycle modulation. Designed with performance, usability, and versatility in mind, this high-quality 2025 model is ideal for circuit developers, embedded system programmers, lab technicians, and hobbyists.

Product Overview:

This PWM Pulse Frequency Duty Cycle Adjustable Module is a compact yet powerful signal generator capable of producing square wave outputs from 1Hz to 150kHz. Whether you're working on timing circuits, frequency simulation, motor control, LED dimming, or microcontroller input testing, this module provides the reliability and accuracy you need.

The module supports a DC input voltage from 3.3V to 30V, making it suitable for a wide range of microcontroller platforms (Arduino, STM32, ESP32, Raspberry Pi, etc.). Its bright, easy-to-read LCD screen provides real-time readouts of both frequency and duty cycle, allowing for precise waveform customization at your fingertips.

Key Features:

• ? Wide Frequency Range: Adjustable from 1Hz to 150kHz, ideal for low- and high-frequency applications

• ⚙️ Adjustable Duty Cycle: Fine-tune the output pulse width from 0% to 100%

• ? Dual Mode Operation: Switch easily between frequency and duty cycle adjustment modes using intuitive controls

• ? Broad Voltage Support: Accepts DC 3.3V to 30V input, compatible with various power supplies and logic levels

• ?️ LCD Display: Clear and real-time display of current settings—frequency, duty cycle, and voltage

• ? User-Friendly Interface: Simple button-based configuration for fast setup and accurate tuning

• ? Compact & Efficient Design: Lightweight and portable, built with durable materials for long-term use

Applications & Use Cases:

• PWM signal generation for DC motor speed control

• LED brightness control (dimming applications)

• Microcontroller simulation and testing

• Function generation in lab and test environments

• Frequency modulation in embedded systems

• Generating trigger pulses for oscilloscope or logic analyzers

• Educational tool for waveform and electronics learning  

  Technical Specifications:

  Feature	Specification
  Frequency Range	1Hz to 150kHz
  Duty Cycle Range	0% to 100%
  Output Type	Square Wave (PWM)
  Input Voltage	DC 3.3V–30V
  Display Type	LCD (Frequency + Duty Cycle)
  Control Method	Button Interface
  Operating Modes	Frequency Adjustment / Duty Cycle Mode