Steve Rundell and fellow engineering students at Michigan State University never go thirsty, thanks to the ingenious automatic drink-making machine they designed and built. The contraption allows the "bartender" to select various drink mixtures displayed on an LCD screen. A controller sends a signal to a servo motor that drives a rotating carousel, which positions the drink cup under the appropriate liquid reservoirs. A solenoid valve opens, automatically dispensing a predetermined amount of liquid into the cup.
Drink-o-Matic 3000 Parts List
Allied Part #
Solid state relay
Additional parts required: dc servo motor, solenoid valve, desk lamp, lazy susan device, wire, 2-liter bottles for liquid reservoirs, various lumber and plumbing products (there's a lot of leeway for creativity in this design)
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It won't be too much longer and hardware design, as we used to know it, will be remembered alongside the slide rule and the Karnaugh map. You will need to move beyond those familiar bits and bytes into the new world of software centric design.
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