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Bob Davis
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I was a "Geek" before the word was invented.
I was a "Geek" before the word was invented.

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Peavey PV20 USB 20 Channel Mixing Console repair
Recently I needed to fix a Peavey PV20 USB 20 Channel Mixing Console.  The main volume sliders had worn out.  It took a while of searching but I found the needed parts.  They are Panasonic 10K ohm 60 mm slide potentiometers. To get inside you have to remove...

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Arduino Powered WS2812 LED Strips turned into 8x75 Array
After finding out that there is a 500 LED limit on running continuous LED arrays form an Arduino, I discovered an alternate setup that can run 1200 addressable LED's from an Arduino.  The alternate method uses the parallel output mode to run 8 strings at th...

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Changed my Car to a Chevrolet HHR
My Cobalt was hit by a deer and sustained over $1000 in damages.  For a 2007 with 165,000 miles that is essentially totaling the car.  SO I traded it in on a 2010 HHR that needs some minor repairs. The hood was black so I wire brushed it and put some white ...

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Arduino Powered F450 Quadcopter/Drone
My next project and book will be on Arduino powered Quadcopters.  So far all I have assembled is the frame.  This is a DJI F450 Quadcopter with A2212 motors. Soldering the connectors on the motors is not easy!  You have to use an alligator clip to hold the ...

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Arduino Powered WS2812 LED Strips turned into 15x16 Array
I purchased two 5 meter (almost 200 inches) WS2812 addressable LED array strips.  Then I seperated them into ten strips of 15 LED each about 20 inches long.  Why 15 LED's? Because that is where they are soldered together at the factory.  Then thew were stuc...
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