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What is sensor types of sensor LDR sensor IR sensor project 1 ultrasonic sensor smoke sensor Rain drop sensor MQ3 sensor project 2 Bluetooth LCD project 3 IOT esp32 esp8266 Led project by esp32 and esp8266 Sensor connect of esp32 final project #LDR  int ldr = A0; void setup() {   Serial.begin(9600);   pinMode(A0,INPUT);   pinMode(13,OUTPUT); } void loop() {   int data = analogRead(ldr);   Serial.print(" ldr ");   Serial.println(data);   delay(100);   if(data <= 500)   {     digitalWrite(13,HIGH);   }   else   {     digitalWrite(13,LOW);   } } #Ultrasonic An ultrasonic sensor is device  that measures the distance to an object using ultrasonic sound waves.                             An ultrasonic sensor works through a process that involves sending out sound waves and measuring the time it takes for them to return. Here’s ...

Syllabus  What is Robot? types of Robots? Use of Robot? Explain Capacitor with diagram. Explain transistor with diagram. What is IC What is Sensor? Types of sensors? Explain IR sensor with diagram. Explain LDR sensor with diagram. Explain Touch sensor with diagram. Temperature sensor.  What is analog and digital sensor.  What is wireless communication. What is wireless module, connection of wireless module. Make a wireless car.  What is Conductor , semi-conductor and insulator.   What is robot - A robot is a type of automated machine that can execute specific tasks with little or no human intervention and with speed and precision.                                          Types of robot -  Pre programmed robot                                      ...