Over the past year I've been building various projects based on Arduino boards. I finally bought one of the MyDIYCNC Sprite systems and I've been able to package 4 of the projects so far. It's nice to be able to design the panel cutouts in TurboCAD and then use CAMBAM and KCAM to create the final panel. There have been some problems and not every attempt to mill the holes has been perfect, but I'm still learning. Attached are 2 pictures. One shows 3 boxes. One reads time from the GPS satellites and outputs the information in IRIG-B format that is used many palces including the Electrical Utility industry. Another one uses the IRIG-B time signal to measure the 60 Hz power line frequency to 3 decimal places and records when it sets a new peak high or low. A new low can indicate an impending blackout. Another one generates pulses to test metering used in electrical substations. The second picture shows a tone generator that outputs very precise tones around 60 Hz. It is used to test large circuit breakers that open if the line frequency gets too low. At this point these projects are just to help me do my job as a consultant to a local electric Cooperative. The next project I hope to make is a GPS speedometer for my car. The analog one is hard for me to read and the cars clock also doesn't keep very good time. The temperature in the car and the shape of the dashboard will both be challenges.