Work in progress from alan_dewindt on hackster.io:
This is an odometer and speedometer for bicycles which keeps track of distance traveled (in km), time traveled in hours, minutes and seconds, average speed (in km/hr) and maximum speed attained during any one minute period (in km/hr). It can keep track of a maximum 99 laps/cycling periods. It can be built with parts from the Arduino Starter Kit, with the exception of a Hall sensor and enclosure box which need to be purchased separately.
I cycle quite a bit to stay in shape and want to know how far I cycle, average and current speed, etc. I can not justify buying a device that does this (with probably many features I don’t need!) so I decided to build this myself. I did not look to see if someone else created something similar as I wanted to challenge myself and stretch my newly acquired Arduino skills!
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