Robotic Bartender

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This is a low cost, low power bar robot project. There are many here on Thingiverse already but these require air compressors, mains voltages and have Bill of Materials that run into the hundreds of £'s or $'s. This design has most of it's parts 3D printed. Is designed to run from a USB battery pack and some AA batteries. (Keeps the power levels safe which is important when working with liquids and allows you to take the machine to parties, the garden or beaches with relative ease). If you make your own one I would love to see it. :) BOM (these links also support DIY Machines at no cost to you - please consider purchasing through them): Arduino Uno: http://geni.us/ArduinoUno Motor driver: http://geni.us/UnoMotorShield Contact Switch: http://geni.us/ContactSwitch Linear Bearings: http://geni.us/LinearBearings Stepper Motor: http://geni.us/StepperMotor Timing Belt and Pulley (2m verison): http://geni.us/TimingBelt Timing Belt and Pulley (5m verison): http://geni.us/TimingBelt5m A video guide on assembly is available here: Part 1: https://www.youtube.com/watch?v=NBvXknwVfaI Part 2: https://youtu.be/0t-JTVYdE7s Part 3: https://youtu.be/x-PyuDoUlU8 Part 4: https://www.youtube.com/watch?v=cvOpvPKHJvc I also used the following models created by others: To hold the Arduino: https://www.thingiverse.com/thing:33327 For the drag chain: https://www.thingiverse.com/thing:11978 The threaded rods and paddle threads we're made using this thingy: https://www.thingiverse.com/thing:193647 You…