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> > > Nick Copeland suggested simulating the force applied to the pedals by > > > calculating the rate of change of the cadence. I reckon that might do > > > the trick. > > > > It doesn't. Just consider going uphill 5% or downhill 5% at > > the same and constant cadence. Makes some difference to your > > legs and to a motor. > > Well, then you need an accelerometer [1]. [2] is said to be in the > iPhone, but you probably want something easier to solder. > > With it you could get the inclination angle and then get the applied > force. If you do it right you could even get a crashing sound when > falling... Actually it does do the trick, Fons doesn't understand the british turn of phrase: Jon is not implying an attempt to win the 2010 Tour de France with his contraption, he is going to have fun on the way to work so I am sure he can extract acceleration (from traffic lights, Fons, he doesn't actually want to be the King of the Mountains or anything, not even give or take 5%) based on the rate of change of a signal. Regards, cynik. Hotmail: Trusted email with powerful SPAM protection. Sign up now. |
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