Description

NE555 Pulse Frequency Duty Cycle Adjustable Module – Square Wave / Rectangular Wave Signal Generator

The NE555 Pulse Frequency Duty Cycle Adjustable Module is a compact and versatile signal generator built around the NE555 timer IC. It is designed for generating square and rectangular wave signals that can be used in electronics experiments, motor drivers, and microcontroller applications. With adjustable pulse frequency and duty cycle, this module is perfect for stepper motor driving, PWM signal generation, and circuit testing.

Whether you are working on an Arduino project, MCU development, or prototyping new circuits, this module gives you fine control over signal output with onboard potentiometers and multiple frequency ranges.

Key Features

• Chipset: NE555 timer IC

• Input Voltage: 5V – 15V DC

• Output Current: 15mA (5V supply), 35mA (12V supply)

• Output Amplitude: 4.2Vpp – 11.4Vpp (varies with input voltage)

• Adjustable Frequency Ranges:

  • Low Frequency (LF): 1Hz – 50Hz

  • Intermediate Frequency (IF): 50Hz – 1kHz

  • High Frequency (HF): 1kHz – 10kHz

  • Ultra High Frequency (UHF): 10kHz – 200kHz

• Output Indication: Built-in LED indicator shows signal output state

• Adjustable Duty Cycle: Fine-tune pulse width for various applications

• Compact Size: 3.1cm × 2.3cm, lightweight and easy to integrate

Applications of NE555 Pulse Generator

• Square wave signal generation for experimental development

• Stepper motor driver signal generation

• Adjustable clock source for microcontrollers (MCU, Arduino, STM32, ESP32)

• PWM signal for LED dimming and motor control

• General electronics circuit testing and debugging

Advantages

• Wide frequency range: 1Hz to 200kHz

• Easy to adjust with onboard potentiometers

• LED output indication for easy monitoring

• Compact and low-power module for DIY projects

• Reliable NE555 timer chip ensures consistent performance

Package Includes

• 1 × NE555 Pulse Frequency Duty Cycle Adjustable Module – Square Wave Signal Generator