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Circuit Diagram: Components List: TDA 2822 IC, 10k ohm resistance, LDR, BO motor and tyre, 9v battery with cap

Circuit Diagram: Code: int bulb1 = 12;   int bulb2 = 11; int bulb3 = 10; int bulb4 = 9; int bulb5 = 8; int bulb6 = 7;    // signal to drive relay int soundsensor = 2;   // input from sound sensor boolean state = false; void setup() {   pinMode(bulb1, OUTPUT);  

Circuit Diagram:

Circuit diagram: Code: #include <SD.h>                       #define SD_ChipSelectPin 10            #include <TMRpcm.h>                   #include <SPI.h>int pir = 8;int val;TMRpcm tmrpcm; void setup(){  pinMode(pir, INPUT);  pinMode(2,OUTPUT);  pinMode(3,OUTPUT);  pinMode(4,OUTPUT);  pinMode(5,OUTPUT); tmrpcm.speakerPin=9;             Serial.begin(9600);if(!SD.begin(SD_ChipSelectPin)){ 

Circuit Diagram: Code: #include <SD.h>                      //#define SD_ChipSelectPin 53        #define SD_ChipSelectPin 10          #include <TMRpcm.h>                  #include <SPI.h> TMRpcm tmrpcm; void setup(){tmrpcm.speakerPin=9;          Serial.begin(9600);if(!SD.begin(SD_ChipSelectPin)){  Serial.println(“SD fail”);  return;}tmrpcm.setVolume(6);tmrpcm.play(“gun.wav”); } void loop(){

Circuit Diagram: Components List:

Circuit Diagram: Code: #include <Servo.h>   //servo library Servo servo;      int trigPin = 5;     int echoPin = 6;    int servoPin = 7; int led= 10; long duration, dist, average;    long aver[3];   //array for average void setup() {            Serial.begin(9600);     servo.attach(servoPin);       pinMode(trigPin, OUTPUT);    

In this article, I will guide you on how you can make the best project on an Accident prevention system using the eye-blink sensor. The complete tutorial of this project is freely available on this video. This video provides step by step guide for the same. And in case you find any difficulty then you