Frequency Adjustable Pulse Generator Module NE555

Frequency Adjustable Pulse Generator Module NE555 is a compact timing circuit based on the popular NE555 IC. It allows users to generate precise square wave signals with adjustable frequency and duty cycle, making it ideal for DIY electronics, signal simulation, PWM control, and timer-based applications. This module is especially useful in embedded and industrial prototyping environments.

Key Features:

• Adjustable Frequency: Output frequency range from approximately 1Hz to 200kHz.
• Duty Cycle Control: Easily change pulse width using onboard potentiometers.
• Stable Output: NE555 ensures consistent and reliable timing signals.
• Onboard Indicators: LED indicates power and signal output activity.
• Wide Voltage Support: Operates between 4.5V to 12V DC input.

Technical Specifications:

• IC Used: NE555 Timer
• Operating Voltage: 4.5V to 12V DC
• Output Voltage: High: approx. VCC, Low: approx. 0V
• Frequency Range: ~1Hz to 200kHz
• Duty Cycle: 1% to 99% adjustable
• Output Type: Square wave (digital pulse)
• Current Consumption: < 30mA (typical)

Mechanical Specifications:

• PCB Material: FR4 grade glass epoxy
• Color: Blue PCB
• Potentiometers: Two independent knobs for frequency and duty adjustment
• Output Terminals: 3-pin header or screw terminal

Dimensions:

• Module Size: Approx. 33mm x 25mm x 10mm
• Mounting Hole: 2mm holes for easy panel or board integration

Mounting Options:

• Panel Mount: Can be installed in enclosures or control boxes
• PCB Mount: Fits on breadboards or soldered directly onto larger PCBs

Schematic Diagram, Connection, Wiring and Pinout:

• VCC: Power input (4.5V–12V DC)
• GND: Ground connection
• OUT: Square wave output signal
• Adjustments: One potentiometer for frequency, another for duty cycle

Datasheet/User Manual:

• Download NE555 Pulse Generator Module Datasheet (PDF)

Applications:

• LED Flasher Circuits: Generates precise blinking intervals
• Signal Simulation: Used in logic testing or MCU input simulation
• PWM Motor Speed Control: Controls DC motor speed via adjustable pulses
• DIY Electronics: Useful in timing, delay, and oscillator circuits
• Relay Drivers: Trigger mechanical relays in timed cycles

Equivalent:

• NE555 + Discrete Components: Custom-built pulse circuit using standard parts
• ICL8038 Function Generator Module: Advanced alternative with sine/triangular outputs
• XR2206 Signal Generator Module: Higher-end option for signal lab testing

Package Includes:

• 1 x Frequency Adjustable Pulse Generator Module NE555