These are a few projects that I designed and built. All hardware designs and software source code is free, given without warranty but with hope it is useful. You can find the source code for my projects on GitHub.
Mycodo Environmental Regulation System – A web-enabled environmental condition monitoring and control system
Morse Code Translator – Translate Morse code in real-time using a telegraph as an input device
Rainwater Recycling – An automated rain water collection and irrigation system
Water Purification – An automated water distillation controller
Moto Security – A motorcycle anti-theft and disabling system