piclist 2002\12\22\160924a >
Thread: Weight sensors
www.piclist.com/techref/io/sensors.htm?key=sensor
picon face BY : Spehro Pefhany email (remove spam text)



At 02:11 PM 12/22/02 -0500, you wrote:
>Hi all,
>
>Just again with little question,
>
>Need to measure the weight of a perssonel transport bus, in that way may any
>one can tell me where to find information about sensors to be attached to an
>A/D pin of the PIC16F877 ?

In general you'd be looking at a load cell and some signal conditioning
to do this sort of thing. It's unlikely you'll find a sensor that can be
connected directly to the ADC. Load cells are mechanical arrangements to
spread the load out and strain gauges, which are resistor networks that
shift slightly as the metal under them stretches (the strain) under stress.
They are very low level (thermocouple level) and often people want to
read them to very high resolution and accuracy.

Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
RemoveMEspeffspamBeGonespaminterlog.com             Info for manufacturers: http://www.trexon.com
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