It is a pretty common first project to use an Arduino (or similar) to blink an LED. Which, of course, brings taunts of: you could have used a 555! You can, of course, also use any sort of oscillator, ...
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These are the first projects I made with my Arduino
One of the first projects that most people do on an Arduino is to light up or flash an LED. It seems ultra-simple because it ...
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