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Controlling PWM With Potentiometer On AtMega328p

May 14, 2019 by ElectroBrandon

This is crude, but the thing works.  We’ve all seen this on the Great Scott Youtube channel (among other places) where a potentiometer controls the duty cycle of a PWM waveform on an oscilloscope.  This version isn’t pretty.  It needs some sanding and painting.  However, it’ll get a person started.  I’m adding it here as … Read more

Categories Electronics Tags PWM Leave a comment

Understanding Max7219 LED Driver In C Programming

May 14, 2019 by ElectroBrandon

I’ve slowly been drifting away from Arduino. Even if I was making this transition full-time, it would still be slow. Real deal embedded programming is more like mountain climbing or aging than the usual skill development that happens via a few Youtube videos. Big Things To Know About Max7219 The datasheet tells you most of … Read more

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