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Virginia Tech BOLT Electronics 2.0 | Electronics Lab

Virginia Tech BOLT Electronics 2.0
Version 1 - Last update: Oct 4, 2015

Connectability: Uses the simplest connectors possible whenever possible, this design avoids the use of bus bars and instead pushes wires to be joined with solder joints along the cables harnesses. All electrical interaction with the board should be via connector. Modularity: The use of a clear and plain silkscreen allows parts to be identified and changed when necessary. Integration of an 'Arduino' and a DC/DC converter into the the mainboard allows us to add functionality as needed. Robustness: This board should use through-hole where necessary to allow for easy repair. This system avoids the rats nest wiring of 1.0 which should improve repair-ability of the system immensely. Having everything in a single board also avoids vibration issues. Data Gathering: Built in Physical characteristics: As big as needed, but ideally small. Concepts: Digital display that indicates top speed; used to limit bike on a sliding scale. Control with pot? Stepper motor retractable cover for electronics compartment, or possibly just fuses. Integrated Arduino/ATmega328. 4-pin Molex headers. Standardized DC/DC rail voltage such that no further regulation is needed(most likely 12V). Simplified battery boxes will help wiring harness design, correct/professional wiring harnessing is a priority.

2.0 represents a highly professional and sophisticated take on 1.0, without a significant change to true functionality. It is meant to do the same things as 1.0 but better in almost every way; it will be cleaner, easier to extend functionality, smaller, and centralized rather than distributed. Its central concept is to integrate the multitude of processes of 1.0 into a single custom PCB board with standardized connectors and a labeled silkscreen. The board will be easily modifiable, there is no reason it shouldn't be continuously modified and re-used from year to year.

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