Adesso NUSCAN 3200 series User Manual Page 13

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Shake and Bake:
Preliminary Design Report
October 12, 2011
13
Microprocessor
The microprocessor takes information from the user via the keypad and scanner. It
controls which containers dispense and how much ingredient they dispense based on user input.
The microprocessor controls dispensing by engaging and disengaging the motors. It gathers
information about the containers through the force sensors, monitoring the amount of ingredient
in a container throughout the dispensing process. The microprocessor communicates to the user
with a screen.
Input Power 5 V DC, 45 mA
Analog signals from sensors 0-2 V DC, 0.5 mA
Digital signal from keypad 0-5 V DC, 0.5 mA
Digital signal from scanner 0-5 V DC, 0.5 mA
Digital signal from memory 0-5 V DC, 3 mA
Output Digital signal to motor 0-5 V, 0.5 mA (each)
Digital signal to LCD screen 0-5 V, 0.5 mA
Digital signal to memory 0-5 V, 0.5 mA
Memory
Memory, which may be internal or external to the microprocessor, stores combinations of
ingredients as recipes. This allows the user to recall and use stored recipes.
Input Power 5 V DC, 3 mA
Digital signal from microprocessor 0-5 V DC, 0.5 mA
Output Digital signal to microprocessor 0-5 V DC, 3 mA
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