Arduino Projects Ideas - Temperature Monitor (LM35 Sensor)

 Arduino Projects Ideas - Temperature Monitor (LM35 Sensor)

Components:
LM35 sensor
Arduino UNO
Jumper wires

Wiring:
LM35 VCC → 5V
LM35 GND → GND
LM35 OUT → A0

Code:

void setup() {
  Serial.begin(9600);
}
void loop() {
  int val = analogRead(A0);
  float tempC = val * 5.0 * 100.0 / 1024.0;
  Serial.print("Temp: ");
  Serial.print(tempC);
  Serial.println(" C");
  delay(1000);
}