He’s written a nice Instructable on a Temperature Data ... which is used to store the data collected. In this case, the temperature is read by a LM35 temperature sensor and that value, along ...

The circuit is a combination of an Arduino UNO board, LM35 temperature sensor, and a 16×2 Hitachi compatible LCD. It will display the temperature on the LCD screen in degree F & in degree C. It can be ...

an LM35 temperature sensor, and the MQTT protocol. The system captures ambient temperature data and transmits it to an MQTT broker, which then forwards the information to a smartphone app for ...

I made this project because I wanted a way to automatically control the speed of a DC fan according to the temperature read by a LM35 sensor. I had a few problems with the PWM part mainly because the ...