This is an easy tutorial showing how you can control the brightness of an LED or adjust the speed of a DC fan using Arduino Board, a small BC547 transistor and a potentiometer. In my example the whole ...
Description: $2 for pcb Prototype, for more information visit: Download the codes here Arduino simple shield potentiometer ...
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These are the first projects I made with my Arduino
I had to learn to walk before I could run.
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