10Pcs NE555 Pulse Generator Module, Square Wave Rectangular Wave Signal

This NE555 signal generator module is a compact pulse generation board designed for electronics experiments, signal testing, and development applications. Built around the widely used NE555 timer chip, the module outputs an adjustable square wave signal that can be used for general-purpose pulse generation, circuit testing, and stepper motor driver signal input.
Product Specifications
- Product Type: NE555 Signal Generator Module
- Main Chip: NE555
- Output Signal Type: Square wave
- Operating Voltage: 5V-12V
- Output Duty Cycle: Approximately 50%
- Adjustment Method: Onboard adjustable resistor for frequency control
- Indicator: Power indicator LED
- Module Dimensions: 29 x 12 mm
Pin Description
- VCC: Power supply positive terminal
- GND: Power supply ground
- OUT: Signal output terminal

• Simple Adjustable Pulse Generator: This module generates square wave pulse signals for electronics experiments, development work, and signal testing. The output frequency can be adjusted to suit a variety of practical applications.
• Built Around the NE555 Timer Chip: Designed with an onboard NE555 chip, this signal generator module offers a simple and reliable way to create pulse signals for learning, prototyping, and circuit development.
• Easy Frequency Adjustment: An onboard adjustable resistor allows you to change the output frequency directly on the module, making it convenient for tuning pulse signals during setup, testing, or experimentation.
• Design for Stepper Driver Pulse Testing: The generated square wave pulses can be used for driving or testing stepper motor drivers, making this board a useful tool for motion-control experiments and driver signal simulation.
• 5V¨C12V Operation with Power Indicator: Supports a DC input range of 5V to 12V and features an onboard power indicator for easy status checking. The output duty cycle is approximately 50%, suitable for many common pulse applications.