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Project Hub

MSTea430:
Peltier Tea Timer

An Exploration of Passively Powered Microcontrollers

This disk sits atop a tea pot in place of its lid while tea is steeping. Equipped with an MSP430 Micro-controller from TI, it is powered by a peltier device that converts temperature difference between ambient and the steam from the steeping tea into current. Once a user selected time has passed, a buzzer is activated to signal that the tea has finished steeping and is ready to serve.

Hub Motor:
3hp Skateboard

Creation of a 3 phase hub motor; from design to fabrication and testing

This 3hp hub motor was designed with the requirement of driving a 300 lb load at 20 mph aboard a 3 wheeled off-road skateboard. After being machined, the motor controller was tuned to optimize performance for various loads and inclines. Across the 12 test scenarios, the motor was found to perform (on average) at approximately 85% of the calculated speed and torque; this is a respectable value considering the losses unaccounted for in the theoretical model.

The motor housing is milled from 6061 T6 aluminum, the stator consists of alternating layers of punched electrical steel and insulation, and each of the 16 permanent magnets is a 1"x 1"x 2" N42 rare earth magnet with a pull of approximately 145 lb.

Thanks for Visiting

Thanks for taking an interest in what I do. I really enjoy the projects I work on and hope you enjoyed your visit.