SKU: SENS-3132
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HS-S05B Sound Sensor Module - Digital Output, PH2.0 3-Pin

₹120.00 (Inclusive of all taxes)
Out of Stock

The HS-S05B is a compact digital sound sensor module compatible with 3.3V and 5V logic systems, including Arduino, Raspberry Pi, and ESP32. It provides a simple digital output signal for detecting sound events and changes in acoustic amplitude.

Features

  • Wide 3.3V to 5.5V DC operating voltage range for flexible power supply compatibility.
  • Digital output signal (S pin) for straightforward interfacing with microcontrollers and logic circuits.
  • Compact PCB footprint (approx. 23mm x 33mm) ideal for space-constrained embedded designs.
  • Plug-and-play PH2.0 3-pin connector interface for simplified wiring and prototyping.
  • Low-power operation suitable for battery-powered sensing and monitoring applications.

Out of stock

Description

The HS-S05B sound sensor module is a basic acoustic detection component designed for embedded electronics. It typically incorporates an electret microphone capsule paired with an onboard comparator circuit. This setup converts analog audio amplitude into a clean digital signal, triggering a logic-high output when sound exceeds a preset threshold.

The module’s simple three-pin interface (VCC, GND, Signal) and wide voltage compatibility make it a versatile choice for rapid prototyping and integration into microcontroller-based systems like Arduino, ESP32, or Raspberry Pi. Its digital output eliminates the need for analog-to-digital conversion, simplifying code and system design for event-based sound detection tasks.

Key Features

  • Broad voltage compatibility from 3.3V to 5.5V DC for use with 3.3V and 5V logic families.
  • Digital signal output provides a clean, TTL-compatible high/low signal for easy microcontroller processing.
  • Compact and lightweight PCB design facilitates integration into portable devices and tight enclosures.
  • PH2.0 3-pin connector offers a secure, solderless connection for rapid prototyping and testing.
  • Onboard sensitivity adjustment potentiometer (typical on this module type) allows tuning of the sound detection threshold.
  • Low quiescent current draw supports energy-efficient designs and extended battery life.
  • Robust construction with a standard electret microphone element for reliable acoustic sensing.

Applications

  • Sound-activated triggers for smart home automation and lighting control.
  • Noise level monitoring and event detection in IoT environmental sensor nodes.
  • Clap or sound-based control interfaces for DIY electronics and robotics projects.
  • Basic acoustic security systems for detecting break-ins or unauthorized activity.
  • Educational projects demonstrating digital input sensing and event-driven programming.

Technical Specifications

ModelHS-S05B
Operating Voltage3.3V - 5.5V DC
Output SignalDigital (High/Low)
InterfacePH2.0 3-Pin (V, G, S)
Module Dimensions (Typical)Approx. 23mm x 33mm
Primary Sensing ElementElectret Microphone

Frequently Asked Questions

What is the output signal type of the HS-S05B sensor?

The HS-S05B provides a digital output signal. The S pin outputs a logic HIGH (typically at the supply voltage level) when detected sound exceeds the onboard potentiometer's set threshold, and a logic LOW when sound is below the threshold. This makes it directly compatible with digital input pins on microcontrollers without requiring an ADC.

How do I connect and power the HS-S05B module?

Connect the module using its PH2.0 3-pin connector. The V pin connects to your positive power supply (3.3V to 5.5V DC), the G pin connects to ground, and the S pin connects to a digital input pin on your microcontroller (e.g., Arduino, ESP32). Ensure correct polarity. An onboard LED often indicates power and detection status.

Can I adjust the sensitivity of the sound detection?

Yes, most variants of the HS-S05B module include a blue potentiometer (variable resistor) on the PCB. Rotating this potentiometer adjusts the reference voltage for the onboard comparator, thereby changing the sound amplitude level required to trigger the digital output. Turn clockwise to increase sensitivity (easier triggering) or counter-clockwise to decrease it.

Is this module suitable for measuring precise sound levels or frequency?

No, the HS-S05B is designed for basic sound presence or event detection, not for precise decibel (dB) measurement or audio frequency analysis. Its digital output provides a simple on/off signal based on a threshold. For analog amplitude reading or detailed audio analysis, a module with an analog output or a dedicated I2S digital microphone is required.

Package Includes

  • 1 x HS-S05B Sound Sensor Module

Additional Information

Weight 0.01 kg
Dimensions 3.6 × 3.1 cm