![]() The second section reads the dht11 sensor module’s output and extracts temperature value into a suitable number in Celsiu s scale and control the fan speed by using PWM. One senses the temperature by using humidity and temperature sensor namely DHT11. The following are the materials required to perform a temperature-based fan speed control using Arduino. Most of the components should be easily available in your local hardware shopĪrduino Fan Speed Control using Temperature Sesnor We have also built a project to perform Automatic AC temperature control, you can also check that out if you are intrested. Let's discuss more on this is done so that you can build one on your own. To do this we will be using an Arduino UNO Board, LCD, DHT11 sensor Module, and DC fan that is controlled by using PWM. ![]() ![]() With this circuit, we will be able to adjust the fan speed in our home or office according to the room temperature and also show the temperature and fan speed changes on a 16x2 LCD display. In this arduino based project, we are going to build a temperature-controlled fan using Arduino. ![]()
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