NE555 Pulse Frequency & Duty Cycle Adjustable Square Wave Generator Module

The NE555 Pulse Frequency & Duty Cycle Adjustable Module is a compact, versatile square wave signal generator ideal for electronics hobbyists, engineers, students, and makers. Operating on a wide voltage range of 5V to 12V, this SMD-based module lets you independently adjust both the output frequency and duty cycle — making it perfect for Arduino projects, smart car builds, motor speed control, LED dimming circuits, and general timing experiments.

Key Features

Wide voltage range: Compatible with 5V to 12V power supplies
Adjustable frequency & duty cycle: Independent control via onboard potentiometers
Square wave output: Clean, stable signal suitable for digital and analog applications
Compact SMD design: Lightweight and easy to integrate into breadboards or PCB layouts
Plug-and-play ready: No additional components required to get started
Multiple quantity options: Available as 1-piece or 5-piece sets to suit your project needs

Specifications

IC: NE555 Timer
Operating Voltage: 5V – 12V DC
Output Waveform: Square Wave
Adjustable Parameters: Frequency & Duty Cycle
Package: SMD
Quantity Options: 1pcs, 5pcs

Common Applications

Arduino & microcontroller projects
Smart car / robotics motor control
LED dimming and lighting control
Signal generation for testing circuits
Timing and trigger circuits
Educational electronics experiments

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Frequently Asked Questions

Q: What does the NE555 Pulse Frequency & Duty Cycle Adjustable Module do?

A: The NE555 module generates a stable square wave signal with independently adjustable frequency and duty cycle. It is widely used in Arduino projects, motor speed control, LED dimming, signal testing, and timing circuits, all within a 5V–12V operating range.

Q: Is this NE555 module compatible with Arduino?

A: Yes — the NE555 Pulse Frequency & Duty Cycle Adjustable Module works seamlessly with Arduino boards and other microcontroller platforms. Its 5V–12V operating voltage covers the standard logic levels used in most Arduino and smart car projects.

Q: How do I adjust the frequency and duty cycle on this module?

A: The module features onboard potentiometers that allow you to independently tune the output frequency and the duty cycle of the square wave signal. Simply rotate the potentiometers to dial in your desired settings — no extra components or soldering required.

Q: How many units come in each order?

A: You can choose from single-piece (1pcs) or multi-pack (5pcs) options at checkout, giving you the flexibility to order exactly the quantity you need for your project.

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.