Electronics: Fun and Fundamentals — LED Photo Lights
iPhone Flies on a Rocket: Collect and Analyze Data!
It was a beautiful fall morning as I carefully packed the parachute, slid in the engine, and installed the igniter in my model rocket. I started the data collection program and slid the payload with a TI Bluetooth low energy SensorTag and an iPhone 4s into the payload bay. Yes,... Read more »
Laminar Flow Water Fountain
Make a cheap, high-tech nozzle to eliminate turbulence and create incredible water effects. Read more »
World Control Panel
Operating Railroad Grade Crossing Signal
It seems that no matter how much things change, one thing that is always constant is a kid’s fascination with all things trains. When my son was about 4 years old he was fascinated by passing trains. Even more captivating to him was the railroad crossing signals which would flash... Read more »
Fetch-O-Matic: Automatic Ball Launcher
Several years ago I watched a viral YouTube video that starred Jerry the Dachshund, whose engineer owner had built him his very own automated ball launcher. I had two dogs at the time, and was also unemployed with some time on my hands, so I decided to try my hand... Read more »
