NE555 Pulse Frequency Duty Cycle Adjustable Module Square Wave Signal Generator

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NE555 Pulse Frequency Duty Cycle Adjustable Module Square Wave Signal Generator

Introducing the NE555 Pulse Frequency Duty Cycle Adjustable Module Square Wave Signal Generator, a versatile device that produces a 5V square wave signal.

Ideal for experimental development or driving a stepper motor, this signal generator offers the ability to precisely adjust the output duty cycle to meet specific needs.

It is crucial to understand that while the module permits duty cycle adjustments, any changes will concurrently affect the signal’s frequency. Therefore, modifying one parameter will inherently influence the other, allowing for a dynamic control range over the output signal.

The output frequency is adjustable:

• Period T = 0.7 (RA +2 RB) C
• RA, RB is 0-10K adjustable.
• Low profile when C = 0.001UF.
• IF stalls C = 0.1UF.
• High-frequency file C = 1UF.
• HF stalls C = 100UF.
• So, buyers can calculate the frequency of the waveform.

Features

• Generate an adjustable pulse for MCU.
• Generate an adjustable pulse, to control circuitry associated.
• The output current can be 15 MA around; when 12V power supply, the output current can 35 MA around
• Output with LED indication(low level, LED will on; high level, LED will off; low frequency, the LED flashes).
• Max Output Current: >= ≥15MA (5V power supply, V-PP greater than 50%), >=35MA (12V power supply, V-PP greater than 50%)

Application

• As a square wave signal generator generates a square wave signal used for experimental development.
• Used to drive a stepper motor for generating a square wave drive signal.
• Generate an adjustable pulse for MCU.
• Generate an adjustable pulse, to control circuitry associated.

Specifications:

Package Includes 

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

NE555 Datasheet

NE555 Pulse Frequency Duty Cycle Adjustable Module Square Overview

The NE555 Pulse Frequency Duty Cycle Adjustable Module Square Wave Signal Generator is a compact printed circuit board featuring the classic NE555 timer chip. It produces a TTL‐level square wave with adjustable frequency and duty cycle, ideal for prototyping, timing experiments, and control applications.

Key Features of NE555 Pulse Frequency Duty Cycle Adjustable Module Square

• NE555 timer chip as the core component for reliable timing and oscillation
• Input voltage range from 5V to 15V DC to suit various power sources
• Two onboard potentiometers for fine adjustment of pulse frequency and duty cycle
• 5V TTL‐compatible square wave output for direct MCU and logic circuit interfacing
• Compact PCB design with clearly marked input/output pins for easy wiring
• Genuine product with fast shipping from Zbotic across India

Applications and Use Cases

• Generating clock or timing signals for microcontroller development boards
• Driving stepper motor driver circuits by providing PWM pulses
• Flashing LEDs or test patterns in electronic prototypes
• Testing or calibrating digital filters and frequency counters
• Simulating sensor pulses for circuit validation

How to Use NE555 Pulse Frequency Duty Cycle Adjustable Module Square

Connect a 5V–15V DC power supply to the module’s VCC and GND pins, then attach your load or input device to the TTL‐level OUTPUT pin. Rotate the frequency potentiometer to set the pulse rate and the duty cycle potentiometer to adjust the on/off ratio, noting that altering one control will slightly affect the other. Secure all connections before powering up to ensure stable performance.

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Frequently Asked Questions

What is the operating voltage range of this NE555 module?

This module accepts a DC supply voltage between 5V and 15V, allowing you to choose a power source that suits your project while maintaining a stable 5V TTL output.

How do I adjust frequency and duty cycle independently?

Use the two onboard trim potentiometers—one labeled for frequency and the other for duty cycle. Since they share timing components, turning one knob will slightly influence the other, so adjust iteratively until you achieve the desired settings.

Can I drive a stepper motor directly with this signal generator?

The module provides TTL‐level pulses with limited current capability. For driving a stepper motor, it’s best to feed the output into a dedicated motor driver or transistor stage to handle higher current and voltage requirements safely.