DIY HDD Scanner V2 400mW RGB

New version of HDD scanner, since previous version broke up.
Nothing fancy, kinda quick & dirty setup from scrap but works suprisingly well!

Build in few hours, it was pretty straight forward + I wanted to make few improvements on this one.

XY scanner is controlled via mobile phone audio, I used program called Heatcliff for generating audio tracks which are controlling HDD’s voice coils (also edited audio files a bit longer in Audicity).

I had El Cheapo 400mW RGB laser module that I hadnt used for a long time and it was collecting dust. Laser & RGB controler MCU are powered by 3x 26650 Li-Ion’s. Basicly this is portable battery operated HDD scanner.

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