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Using Sound Sensor To Create Clap Switch With Arduino Uno In Telugu | IOT Projects
CODE & CIRCUIT LINK : drive.google.c...
A sound sensor is a simple device that detects sound waves and converts them into electrical signals. It can be used in various projects to trigger actions based on sound inputs, such as claps, whistles, or any loud noise.
Components and Working
* Microphone:
The core component that detects sound waves. It converts the acoustic signals into electrical signals.
* Amplifier:
Boosts the weak signals from the microphone to a higher voltage level that can be easily read by a microcontroller.
* Voltage Comparator:
Compares the amplified signal against a reference voltage and outputs a digital HIGH or LOW signal.
* Sensitivity Adjustment:
A potentiometer or trimmer is often included to adjust the sensitivity of the sensor.
* Pin Configuration
A typical sound sensor module has the following pins:
VCC: Connect to the 5V supply.
GND: Ground connection.
OUT: Digital output pin that sends a HIGH or LOW signal based on the sound detected.
AO: Analog output pin (optional), which provides an analog signal representing the sound intensity.
Applications
* Clap Switch: Turn on/off devices with a clap sound.
* Sound Level Indicator: Visualize the sound level using LEDs.
* Security Systems: Trigger alarms or notifications when a loud noise is detected.
* Voice-Activated Projects: Detect specific sounds for voice-activated commands.
Example Projects
* Sound-Activated LED: Turn on an LED when a sound is detected.
* Sound Level Meter: Use multiple LEDs to indicate different sound levels.
* Clap Switch: Control a relay or another output with a double clap.
* Sound-Activated Alarm: Trigger an alarm when a loud noise is detected.
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