> -----Original Message-----
> Alternatively the acceleration can be measured by "tapping" the
> speedometer's pulses by sticking a hall generator at the back
> of it (right
> next to the cable going in) As you may know it rotates a
> magnet to displace
> the needle. This hall generator (connected up to a small
> amplifier, any
> op-amp will do)
Alternatively, get a hall sensor that provides signal conditioning and
TTL-level output. I think Motorola makes one.
Dennis.
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