I used an LCD shield to display the current temperature and speed of the fan, but you can use the circuit without the LCD display. You also need to select the transistor by the type of fan that you ...

Continue reading “Arduino Replaces Bad AC Thermostat, Hacker Stays Cool”→ Posted in Arduino Hacks, home hacks Tagged ac, air conditioner, arduino, hvac, temperature sensor, thermostat ...

Some brief explanation about the coding: 1. reading = analogRead (sensorPin); – Read analog pin from LM35 temperature sensor input pin and store at reading. 2. int celsius = reading/2; – LM35 are ...

9. Humidity and Temperature Sensor We are continuing our list of easiest IoT projects for students with a weather monitoring system which is one of the IoT projects using Arduino.