LM35 Sensor: Connect VCC of LM35 to 5V on Arduino. Connect GND of LM35 to GND on Arduino. Connect the output pin of LM35 to A7 (analog input) on Arduino. LEDs: Connect the long leg (+ve) of each LED ...

Arduino Sketch //Room Temperature Monitor //T.K.Hareendran #include <LiquidCrystal.h> // Include the library to use a LCD display #define tempSensor 0 // Define the A0 pin as “sensor” int Vin; // ...

Circuit Diagram The circuit involves the following connections: • DHT11 Sensor: o VCC to 5V on the Arduino. o GND to GND on the Arduino. o DATA to a digital pin (e.g., Pin 2). • An optional pull-up ...

This sensor only gives digital output. The Pinout of DS18b20 Temperature Sensor is as follows: VCC is the supply pin of the DS18b20 Temperature Sensor that can be connected to 3.3V or 5V of the supply ...