![]() ![]() This module features a humidity and temperature complex with a calibrated digital signal output means DHT11 sensor module is a combined module for sensing humidity and temperature which gives a calibrated digital output signal. Here in this project we have used a sensor module namely DHT11. Arduino collect and extract in two parts one is humidity and second is temperature and then send them to 16x2 LCD. First arduino send a start signal to DHT module and then DHT gives a response signal containing temperature and humidity data. ![]() Working of this project is based on single wire serial communication. And the third part of the system displays humidity and temperature on LCD. The second section reads the DHTsensor module’s output and extracts temperature and humidity values into a suitable number in percentage and Celsius scale. This project consists of three sections - one senses the humidity and temperature by using humidity and temperature sensor DHT11. In one of my previous project, I have also developed a digital thermometer using temperature sensor LM35. A combined temperature and himidity sensor DHT11 is used with Arduino uno to develop this Celsius scale thermometer and percentage scale humidity measurement project. In this Arduino based project we are going to measure ambient temperature and humidity and display it on a 16x2 LCD screen. Humidity and temperature are common parameters to measure environmental conditions.
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