Introduction: Dead Silence

Picture of Dead Silence

In the area of hospital and school noise is turning out to be a big issue and increasing in a vertiginous way. Patients in the hospital and the school students are facing a huge problem when a loud noises comes from outside. So the main purpose of this project is to monitoring the sound and check that the become a noise or not. If the sound is cross a particular threshold value then a signal can be generated and the authority will be awarded. So that they can take a step. Here in this prototype monitoring sound is shown. And also discussed the whole method briefly. As it is a project dependent upon sound monitoring and also the control of noise that's why the name of this project is Dead Silence.

Step 1: Required Sensor

Picture of Required Sensor

In this prototype the sensor that is used is Sound sensor which is based on the LM358 amplifier. This sensor can detect or absorb the sound i.e came through the mic i.e set in the sensor. This sensor takes an analog value from any sound and send it to the edision board. It has 4 pins these are:

1. Vcc

2. Ground

3. NC

4. Signal

The operating voltage is - (4-12) volts

Microphone Frequency - (16-20) KHz

Microphone S/N ratio - 54 dB

Step 2: Intel Edision Board

Picture of Intel Edision Board

The main hardware of this project is Intel Edision mounted on an Arduino Breakout board. Here in the picture Intel Edision board connected with a seeed studio arduino compatible shield is shown.

The specification of this board is:

  • 20 digital input/output pins, including 4 pins as PWM output
  • 6 analog inputs.
  • 1 UART (Rx/Tx)
  • 1 I2C
  • Micro USB device
  • SD card connector
  • DC power jack (7 to 15 volt DC input)

Step 3: Connected Edision With Sound Sensor

Picture of Connected Edision With Sound Sensor

Here in this step the connection of edision with the sound sensor is shown. The sound sensor is connected with A0 pin of the edision. The sensor senses the sound or value and send it to the edision which have intel atom processor. A sensor got the value from the microphone and it will be visualized in the serial monitor.

Step 4: Arduino IDE

Picture of Arduino IDE

The main compiler that is used in this prototype is Arduino IDE. Here the main code is written and it is burned to the Intel Edision board. It is an open source software, which is a cross-platform application written in the programming language Java. It is originated from the IDE for the languages processing and writing. It has two functions

  • setup(): a function that runs once at the start of a program and that can initialize the settings.
  • loop(): a function called repeatedly until the board powers off.

Step 5: Serial Monitor Visualization

Picture of Serial Monitor Visualization

In this step the visualization of the sensor value is shown in the serial monitor of Arduino IDE. Where the maximum value (i.e here 737) is the loud sound and the low value (i.e here 454) is the low sound . And the random values are are the noise that come from outside.

Step 6: Cloud Analysis

Picture of Cloud Analysis

In this photo the diagram of the noise vs date has been shown. The cloud storage that is used in this prototype is ThingSpeak. Here the data that come from sensor has been stored and it's provided a graphical view. The loud and low sound value is shown in this diagram.

Step 7: The Final Set Up

Picture of The Final Set Up

In this picture the final set up of the project is shown. In which the sensor is connected with Intel Edision Board. And the whole set up is attached with the Arduino IDE.

Comments

DIY Hacks and How Tos (author)2016-07-16

Cool Edison Project

Thank you

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