# Adjustable signal generator, NE555, 5-12V

> Square-wave signal generator module based on the NE555, powered at 5-12VDC. Provides a single output with frequency adjustable via potentiometer between 4Hz and 1.3KHz, duty cycle adjustable up to 98%. Useful for stepper motor control, PWM and quick tests in electronics projects. Dimensions 29 x 12mm, easy to integrate on breadboard.

- Page: https://sigmanortec.ro/en/adjustable-signal-generator-ne555-5-12v
- Price: 3.86 RON
- Availability: In stock; 1-2 zile
- Reference: 9132 · EAN: 5941740995148
- Category: Electronic components > Testing and Measurement > Signal Generators
- Specifications: Supply Voltage: 5; Maximum Input Voltage: 12; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.
- Package (shipping data): 0.003 kg
- Updated: 2026-09-23
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 01:33 (Europe/Bucharest)

## Description

NE555 based rectangular signal generator module, ideal for stepper controls, PWM and quick tests in electronic projects. Operates at 5-12VDC, offers a single output with adjustable frequency from the potentiometer between 4Hz and 1.3KHz, with adjustable duty cycle up to 98%. Compact design, 29 x 12mm, easy to integrate on breadboard or in assemblies.
The module is a pulse generator, frequency, rectangular signal generator. The output frequency is adjustable by potentiometer. This module uses the integrated NE555.
The module can generate pulses between 4Hz and 1.3KHz and can be useful in generating pulses for steppers and other tests.
Specifications:
Supply voltage: 5 - 12VDC
50% duty cycle: 3.7Hz
Duty cycle 98%: 1.3KHz
Output channels: 1
Dimensions mm: 29 x 12mm