An inexpensive bike computer was purchased, along with a magnet and some sticky tape. The magnet will be mounted on the back of the wheel with the tape. The sensor for the computer will be attached to the wheel stand. Using the diameter of the wheel, multiplied by pi (pi = 3.14159265) will give the wheel factor - that is, the number that will be used by the computer to calculate mileage per each turn of the wheel. Each passing of the magnet over the sensor will activate the computer, thus adding the distance for each turn.
Rats like to chew and they will chew through wires. My next task is to go by the hardware store to see if there are any metal tubes through which I can run the wire safely out of the cage and out of reach of the chewers. If I can't find exactly what I need to fit, then I will cut off a piece of my curtain rod, which conveniently happens to be a tube.
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Sunday, October 25, 2009
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