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The only additional parts you were going to need were two more cables for a much more elegant solution. But your call after all.
Couldn't you just plug a cable in the RPi usb and use its wires for the breakout board? You will still have access to the very same GND, D+, D- channels, but from the USB cable plugged in the RPi, without soldering.
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Just found this video, but it seems a loooot slower than your solution.But I totally love the concept with the pills, awesome idea and project!
The second I heard "sorted by color" I thought of the cheap chinese color sensors (link below). From what I've seen they have fast response and you don't need a computer or a Raspberry Pi to make it work, Arduino should be fine.Actually I will order a color sensor just for the sake of trying this with M&M's :DLink to example module: https://www.dfrobot.com/wiki/index.php/TCS3200_Col...What do you think?
Can you post the STLs please?
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