Wireless LED Bracelet March 2023

Wirelessly controlled light-up bracelet for use at concerts and live events.

• Designed PCB around nRF52 SoC. Assembled and debugged form factor prototype.
• Uses 2.4GHz radio to receive commands from controller and connect over BLE to smartphones.
• Developed embedded C firmware integrating UART, I2C, BLE, NFC, and ANT.

Audio Visualization Library December 2022

Simple, cross-platform audio visualization library, with built-in file playback and capture.

• Cross-platform C library for linux, windows, and web.
• Captures audio from input or plays from files.
• Performs DFT and does some creative filtering to make it look nice.

2D Collision Detection LibraryJune 2023

Cross platform deterministic continuous 2D collision detection for convex polygons.

• Cross-platform C library for linux, windows, and web.
• Implements bilateral advancement algorithm for continuous collision detection.
• Guarantees determinism through use of softfloats.

Graphics Framework March 2024

2D node based OpenGL graphics framework.

• Cross-platform C framework for linux, windows, and web.
• Node based graphics definitions/editor.

Block Puzzle Game April 2022

Lumines inspired puzzle game written from scratch.

• Custom 2D OpenGL graphics engine with a framework enabling user generated content.
• Features audio visualization.
• Custom node-based graphics editor and tools.
• Written in Java.

P2P Networking LibrarySeptember 2023

WebRTC datachannels based library for cross platform peer to peer rollback netcode.

• Cross-platform C library for linux, windows, and web.
• Enables peer to peer rollback netcode in browser.

Baremetal ARM Cortex A8 Application February 2023

Simple bare metal application for TI AM335x (Cortex-A8) microprocessor.

• Written from scratch in C and ARM assembly language.
• Tested on hardware using Beaglebone Black SBC.
• Performs initialization of PLLs, peripherals, eMMC, and external memory (no HAL).
• Functions as second-stage bootloader.

STM32F4 Polyphonic MIDI Synthesizer January 2021

• Direct MIDI input.
• 8 voice polyphonic output.
• Written in C, tested on STM32F4 eval board.

Rocket Telemetry April 2018

Realtime model rocket location/altitude tracking.

• Arduino based rocket payload featuring 2.4GHz RF, GPS, IMU, remotely activated camera.
• Base station connects to graphical application written in Python.
• Uses brushed motors + quadcopter props for descent steering.

Posture Monitor December 2016

Bluetooth enabled spinal position monitoring and posture correction device.

• Uses a stretch sensor to measure the distance between two points on the spine.
• Measures current spine position against a calibrated ideal position.
• Notifies user via vibration/lights and smartphone app.

ncurses MIDI Sequencer March 2019

Basic ncurses MIDI sequencer (bad idea).

• Takes keyboard input as different notes.
• Loops over input playing out over selected MIDI channel.
• Written in C.

MIDI Chat Bot March 2020

IRC bot that plays MIDI notes on host computer.

• Intended for use while livestreaming so that viewers can interactively play notes.
• Supports single note melodies and chord progressions.
• Written in Python.

Poker Study Tool May 2020

A study tool for 3 person sit and gos.

• Looks up correct play for a given situation from a study guide.
• Takes into account, position, stack, preflop action, and hand.

Poker Hand History Parser May 2020

Hand history parser for party poker with cEV calculator and graphing.

• Takes plaintext poker site hand histories as input.
• Parses into database for tracking useful stats.
• Odds calculator determines and records cEV.

USB MIDI Keyboard December 2016

USB MIDI keyboard made from a broken electric piano I got for free.

• Ripped keyboard out of piano and wired up the key matrix to an Arduino.
• Full 88-key velocity sensitive MIDI keyboard.
• Arduino acts as HID USB-MIDI device.