MATRIXSYNTH: World's First HP Scanjet 4C Keytar + Instructions on How to Build a Musical Stepper Motor in 60 sec

Sunday, July 31, 2016

World's First HP Scanjet 4C Keytar + Instructions on How to Build a Musical Stepper Motor in 60 sec

Published on Jul 31, 2016 bd59

"You may of heard of a popular flat bed scanner by the name of HP Scanjet. This scanner had a hidden command set within the Scanner Control Language which allows you to send musical notes directly to the stepper motor. This is a tedious method where you have to enter the notes and durations manually into a text file (similar to G-Code on a CNC Machine). I have always used and will always use this method for my Old School music videos however I wanted to try and build a MIDI controlled stepper motor. One day I had one of my HP Scanjets sitting on its side and for some reason it resembled a Roland SH-101 and that's when I came up with the idea for the HP Scanjet Keytar. What a great way to merge both into a musical instrument. My one of a kind HP Scanjet Keytar consist of an Arduino Nano, Stepper Motor Shield and an optocoupler. Most of my Arduino code was readily available on the Arduino website and is free to download at GitHub. Near the end of my video I will show you how to build a MIDI controlled stepper motor in 40 seconds. I believe that maybe a world record :)

Finally, everything you need to build your own musical MIDI controlled stepper motor. (no electronics background required)
Download the Arduino Code at Github
please make sure you place all the files in a directory called HPScanJetMIDI before compiling
Don't for get to install the (just search the internet for this file name"

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