NE555 Pulse Generator Module

NE555 Pulse Generator Module
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  • Product Code:SQ8721
  • Availability: 1000
  • $0.30
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  • Ex Tax:$0.30
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Tags: NE555, pulse generator, square wave, timer module, signal generator, DIY electronics

The NE555 pulse generator module is built around the classic 555 timer IC, configured as an astable multivibrator to produce a continuous square wave output. It generates an adjustable frequency from approximately 4Hz to 1.3kHz through an onboard multi-turn potentiometer, making it suitable for driving stepper motors, testing circuits, and serving as a basic signal source. The module operates on a 5V to 12V DC supply and provides a 3-pin interface (GND, OUT, VCC) for easy integration. Its compact design and simple adjustment make it a practical tool for DIY electronics, relay control, and educational projects requiring a reliable NE555-based square wave signal generator.

Square wave signal generator Application

  1. Stepper motor driver pulse generation
  2. Signal source for circuit testing and troubleshooting
  3. Relay and switching circuit control
  4. DIY electronics and educational projects
  5. Clock signal generation for digital circuits
  6. PWM and oscillator experiments

Square wave signal generator Specifications

  1. Model: NE555-Module
  2. Input Voltage: 5–12V DC (TI datasheet allows 5–15V for the NE555 IC)
  3. Output Frequency: 4Hz to 1.3kHz (adjustable)
  4. Duty Cycle: Approximately 50% (some sources indicate adjustable up to 98% at maximum frequency)
  5. Output Current: 15mA at 5V, 35mA at 12V (module-level; IC itself can sink or source up to 200mA)
  6. Output Amplitude: 4.2V V-PP to 11.4V V-PP (per third-party source)
  7. Pinout: 3-pin (GND, OUT, VCC)
  8. Dimensions: 29 × 12 mm (per Aftab Rayaneh page; third-party sources report 25 × 13 × 12 mm)
  9. Operating Temperature (IC): 0°C to 70°C (NE555 grade, per TI datasheet)
Electrical Parameters
Frequency 4Hz ~ 1.3KHz
Input Voltage 5V ~ 12V DC
Output Current 15mA (at 5V), 35mA (at 12V)
Output Voltage 4.2Vpp ~ 11.4Vpp
Board Parameters
Main Chip NE555
Pin Count 3 Pins
Physical Parameters
Size 31mm x 22mm x 3mm

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