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Coffee Machine module
posted July 20 2010 20:14.31 by Giorgos Lazaridis

This is the next module for the Instant Greek style coffee robot (AKA Frappé) that i am making right now. This module is responsible for measuring and putting the proper amount of sugar and coffee. I use a worm shaft to push the material, and a stepper motor to control the rotation. Roughly 7 shaft rotations makes one spoon of sugar/coffee, whereas each shaft rotation is divided into 48 steps. With a driving frequency of about 320Hz, the system supplies one spoon of sugar/coffee each second, and this can be divided into 48 steps... From now on, i will drink my coffee black with 2 and 7/48 coffee spoons!

[Link: pcbheaven]
Tags: electronic project   diy   rc servo   pic   microcontroller   mechanical   crazy hack   

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