Compass Vibro Anklet Directions
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==Overview of Compass Vibro Anklet== The vibrating compass anklet has three basic parts: a '''controller''', a '''pager motor array''', and an '''armature'''. The '''controller''' controls the motors, provides power and data and sensory input. The controller consists of an Arduino (a programmable board that uses the ATMega processor + Arduino bootloader, which is designed for exactly this kind of project), a Shift Register (which takes a single byte of data from the Arduino and uses this to trigger a single motor), the compass chip (which connects to the Arduino), and the battery (which connects to the Arduino). Basically, everything in the controller connects to the Arduino, and then the shift register connects to the pager motor array. The '''pager motor array''' consists of eight pager motors (little vibrating motors) and the wire to connect them up. The pager motor array receives power and signal from the shift register, which activates one of eight pager motors. The pager motors are little vibrating motors that come out along the length of the ribbon cable. All of the motors get power from the same line, but only one will be grounded at a time, so only one will run at a time. The '''armature''' is the housing for the whole thing. It’s an elastic anklet, with a zipper and housing for the controller and the pager motor array. The motors go on the inside of the armature, and will need to have an adjustable location.
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