What can I say? Well, who doesn't need this machine?
It has 10 channels, eight smaller ones (~60ml/min) and two larger ones (~450ml/min). With this configuration, a normal cocktail of 250 ml will be ready in under a minute and all you had to do is press a button instead of mixing it by yourself. Also, the machine is pretty compact, measuring 140mm x 180mm x 330mm (w/d/h) in size. If you don't want to refill or change the connected bottles during an evening, you can use tanks or bins for your ingredients.
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Technical Aspects
The system is controlled by an Arduino Mega, which is programmed based on the LCDMenuLib2 by Nils Feldkämper (aka Jomelo). To have easier connections to the RAMPS display unit, I also used the RAMPS shield.
To handle the current of the pumps (~250mA for each small pump and 1.2A for the big ones), I use simple relay boards that are powered by a volatge step down regulator.
The case is planned for a steelframe (15*15*2). The panels are all 3D-printed (20*20 printer is enough) and extremly modular.
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