Building a Small Experimental Device with Arduino | Part 7: Measuring Temperature

Last time, we used a light sensor to measure ambient brightness and even created a control system that turns on an LED when ...
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Fan Speed Controlled by Temperature and Arduino

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 ...

Trying to build a small experimental device with Arduino | Part 6: Turning on an LED when it gets dark

Last time, we used a light sensor to measure the ambient brightness with an Arduino. When the light hitting the light sensor ...