An AVR emulator, crazily written in Ruby.

An Intel hex file parser, for Ruby

A parser for InnoDB file formats, in Ruby

Library (in C) for accessing common GIS formats

A dynamic DHCP+PXE server

Tools for working with MySQL GIS using libmygis

Open Source Pan/Tilt Skype Camera for remote workers

Cracker Barrel Peg Game Solver

Histograms from Linux diskstats

Advent of Code

(Historical: MyTCL, a Tcl API to MySQL)

Headshots of myself for use in publications

Library for parsing MySQL binary logs in Ruby

YesMark™ — the world's most advanced Open Source benchmarking platform.

Jeremy Cole's AVR Projects

Hello World, ten times in a loop

Diagrams for InnoDB data structures and behaviors

Unofficial Davis Instruments WeatherLink/AirLink API in Ruby

A stupid Ruby-based calculator which uses only prefix operators.

Ruby API for api.weather.gov

Push weather data from a Davis Instruments weather station to MyWX in real time

A toolkit for working with videos of FIRST Tech Challenge events using the ftc_event library

A library for accessing a FIRST Tech Challenge scorekeeper event database

An unofficial implementation of the Ubiquiti UniFi Protect API in Ruby

Arduino library for the AllSensors DLHR Series Low Voltage Digital Pressure Sensors

Arduino library for I²C Temperature Sensors derived from the LM75

Musings on Foundations of Game Engine Development, Volume 1: Mathematics