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Arduino Potentiometer LED Brightness and Fan Speed - Tutorial #7
瀏覽：1146
日期：2025-04-25
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 circuitry is powered from a 9V battery and I use a sma...看更多
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