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In 1791 Luigi Galvani published his discovery of bioelectricity, demonstrating that electricity was the medium by which nerve cells passed signals to the muscles.
 

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pwmUsing PWM with microcontroller is often needed in projects. Whether you want fine control of electromotor speed, or you want to change intensity of LED lamp or you simply need analog output and do not want to buy expensive Digital/Analog converter (DAC), PWM is ideal solution. In this example we will show how to configure and change parameters of PWM output on AVR microcontroller.

 

 

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