Mega Mount for a Bicycle

Fitness is a problem for people with chronic computer addiction. I found I spent too much time sitting on my bum and not getting even enough basic exercise. I had my son's bicycle handed up to me so I bought a bike stand with built in magnetic resistance (I chose one that provided a replacement axle bolt as well so that the stand matched the wheel nuts exactly).

I had a Mega2560 with a 3.2 Sainsmart Touch Display at my disposal so I rigged up this bicycle computer to monitor my effort. The added circuitry is extremely simple with only two wires to the reed switch required. I have found a moderate distance twice a day is very beneficial to the circulation in my lower legs, and gets into the aerobic range as well.

The two printed objects, the Mega mount and the reed switch mount are pretty much bread and butter efforts but do the job and may inspire others to improve the designs. I have used a proprietary reed switch ready mounted in a holder, and the magnet (on the spokes) that