So, this cause the fan unable to move even if the temperature exceed the threshold temperature. Solution 1. Connect the GND of the battery to the GND of arduino – common GND. If you are using a 5V ...

Temperature Controlled Fan Circuit Diagram. The complete circuit to build the temperature controlled fan using arduino and lm35 project is given below, we have used fritzing software for making most ...

Arduino code. Complete Arduino Code for this Temperature Controlled Home Appliances is given at the end of this article.Here we have explained few parts of it. For performing mathematical operation we ...

This project transforms your ordinary electric fan into a smart, temperature-controlled wonder! Using an Arduino, an LM35 temperature sensor, and a relay, this project ensures you're always at the ...

It works in two different modes, Normally Open (NO) and Normally Closed (NC). in our project, we will use it in Normally Open mode which means when the relay is switched off the circuit will be broken ...

In this quick Arduino tutorial I will explain how you can control a relay using the Arduino Board, one 1K and one 10K resistors, 1 BC547 transistor, one 6V or 12V relay, one 1N4007 diode and a 12V fan ...

This project demonstrates a temperature-based fan control system using an Arduino Uno. The system reads ambient temperature via a DHT11 sensor and adjusts the speed of a 12V exhaust fan accordingly ...

Circuit and Working: Fig. 1: Circuit diagram of the temperature-based fan speed control and monitoring using Arduino. The circuit diagram of the temperature fan speed control and monitoring is shown ...

The relay is de-energized when the temperature falls below the pre-set temperature. Any AC or DC 12V supply or 100mA battery can power the circuit. The change in temperature from 0ºC to 100ºC changes ...