Wiring Diagram of The Liquorator (Revision 0)

Here is the first schematic drawing of The Liquorator wiring. This is a rough draft of what I would like to see. It only gives general pin out configurations. Nothing specific. That will come in the next revision when I have time to figure out exactly which pins on the Arduino are going where.

Schematic Rev 0

(Click to enlarge)

The power supply shown will be a desktop computer power supply from the first computer I ever built. It should be able to supply the current that all of my components will need. The stepper motors (for cart movement) and electronic solenoids (for mixer liquid control) will draw the most current, (possibly up to 1 or 2 amps) but should still be under the maximum that the power supply can handle. Everything else is fairly low powered.

I had to add in an Arduino UNO to control the 16 RGB LED’s. The pins on the Arduino Mega used to control the stepper motors happened to be the same pins needed to control the TLC5940 chips on the LED controller. So the two Arduinos will communicate via serial to avoid pin conflict issues.

The stepper motors I will use can be found here: http://www.canakit.com/stepper-motor-with-cable-rob-09238.html. They can also be found on Amazon for a few dollars more.

The solenoid valves I spoke of above can be found on eBay. They are 1/4″ NPT Electric Solenoid Valves. A quick Google search could reveal other similar options as well.

More component details will be posted soon.

Please post your questions, comments, or ideas!

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