BME590_Design_Challenge_DN56

This Design Skills Challenge will test our knowledge of mechanical, electrical, and software design.

Functional Specs are as follows

LED light that is button-activated to switch between the following operating modes:

Off

Brightest

Intermediate Brightness

Least Bright

Flashing @ 2 Hz

Self-contained device with LED and button exposed.

Extra credit possibilities:

Battery life indicator

Waterproof enclosure

Constraints are as follows

Run on single battery up to 9 V

Electronics connected to a single PCB (can be single- or double-sided)

Cannot weight more than 1 lb

Cannot have a single dimension > 6 in

Cannot cost more than $50 to duplicate unit

Battery must be easily replaceable

Projects will be evaluated according to the following criteria

Minimize weight

Minimize size

Maximize Brightest mode

Minimize power draw / maximize battery life

Survive 3 foot drop with battery installed

Create-and-maintain a GitHub project repository to maintain version history of:

Mechanical CAD (PDFs + more)

Electronic CAD (PDFs + more)

Software

Testing data

Design history / notes

Specification sheets

Usage notes (README.md)

Kanban board / Issues / Milestones