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Electrical Engineering

Hands-on circuits and hardware builds :)

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Portable Electric Cloud Chamber

Portable Electric Cloud Chamber

Designed and built a reusable, dry-ice-free cloud chamber system using eight cascaded Peltier thermoelectric coolers and a closed-loop water cooling system, sustaining the −26°C gradient needed to visualize ionizing radiation tracks including cosmic rays. Collaborated with mechanical engineer Branden Floyd who taught me how to solder, 3D print, and design the cooling system. Invited to present the device to the college's Board of Trustees, made available to students as a public demonstration tool, and awarded Outstanding STEM Project.

Fusion 360 CAD·Peltier TECs·DC Power Systems·3D Printing
[Electrical Engineering][Hardware][Wiring][Soldering][Hardware-Electrical Interfacing]
Quantum Random Number Generator Circuit

Quantum Random Number Generator Circuit

Experimental optics and embedded firmware to harvest random bits from quantum vacuum fluctuations and photon polarization, comparing dual photoresistor paths on an Arduino and mapping optical states to binary output.

Arduino Uno·5V Laser Diode·Beam-Splitter Cube·Photoresistors·CAD·3D-Printed Mounts
[Electrical Engineering][Embedded Systems][Optics]
LiFi: Transmitting Data via Light Waves

LiFi: Transmitting Data via Light Waves

Built a laser and phototransistor link that pulses binary-encoded text between two Arduinos over light. Built a two-node optical data transmission circuit using dual Arduino microcontrollers, pulsing a red laser diode at 100ms intervals to encode and transmit binary text data across varied distances in free space. Integrated optical components, specifically a phototransistor in series with a 10kΩ potentiometer to convert incoming laser pulses into voltage signals and analyze serial text output.

Arduino·Red Laser Diode·Phototransistor·10kΩ Potentiometer·Serial Comms
[Electrical Engineering][Optical Communication]