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What is sensor types of sensor LDR sensor IR sensor project 1 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 a step-by-step explanation of how it operates: 1. **Emission of Ultrasound**: The sensor has a transducer that emits a burst of high-frequency sound waves (ultrasound) into

  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                                                         Humanoid robot                                                            Autonomous robot                                                       Teleoperated robot                                                              Augmenting robot                           Use of robot - Manufacturing, military, Space exploration, Entertainment , Medical , service. Capacitor - The capacitor is a two-terminal electrical device that stores energy in the form of electric charges                                            types of capacitor.                        Capacitor circuit diagram                        Transistor- A transistor is a type of semiconductor device that can be used to conduct and

 Robotics- Robotics is a branch of engineering and computer science that involves the conception, design, manufacture and operation of robots Use of robotics –manufacturing, Military, Space exploration, Entertainment  Space and health. Resistor- The resistor is a passive electrical component that creates resistance in the flow of electric current. Its unit ohm. Capacitor- The capacitor is a two-terminal electrical device that stores energy in the form of electric charges.                                     Switch -  The switch is a simple device used to either break the electric circuit or complete it. transistor-                 Motor- An electric motor is an electrical machine that converts electrical energy into mechanical energy.                                                  Push button - The push button is a simple device used to break the electric circuit or complete it by push. IC- An integrated circuit, also known as a microchip, chip or IC, is a small electronic device