1. ECE 477 – Team 5

3. »Positive: ˃ All sensors stay in place and intact ˃ Low profile »Negative: ˃ Only works for helmet based sports ˃ Does not accurately reflect the accelerations seen on the head

4. »Positive: ˃ Reflects true acceleration values ˃ Stays in place »Negative: ˃ Electronics are placed in mouth ˃ “The added equipment made the mouth guards a little too cumbersome for most players last season. ” ˃ Cannot be used by all sports ˃ Not very durable

6. »Leaves forehead open »Rubberized grips keep device in place »Lightweight and durable »Works for a large variety of sports »Adjustable? LED power and charge RF antenna Rubberized Grips

7. »USB ports available for charging multiple devices and transferring data »Can power itself or be powered by laptop »Water-resistant 180 mm 30.5 mm

8. »Materials ˃ Flexible and light plastic ˃ Rubber ˃ Water-proofing kit »Tooling Requirements ˃ Injection Molding machine ˃ Injection Mold »Estimated Weight ˃ ~100 g »Estimated Unit Cost ˃ Mold: $1,000 – $3,000 ˃ Plastics/ Rubber: $8.00 - $14.00 ˃ RC water-proofing kit: $16.26

9. »Materials ˃ Existing USB hub »Tooling Requirements ˃ Basic modification tools »Estimated Weight ˃ ~300 g »Estimated Unit Cost ˃ Hub: ~$20.00 ˃ RC water-proofing kit: $16.26

10. Note: measurements in mm Microcontroller: TQSP and QFN NAND Flash: TSOP Capacitive Sensors: MSOP Accelerometers: LFCSP Gyroscopes: QFN

11. Note: measurements in mm Microcontroller: TQSP and QFN NAND Flash: TSOP Charging Circuit: QFN Hub Controller: LQFP RF Transceiver: QFN

12. LED power and charge RF antenna Rubberized Grips