'PICLIST Digest - 23 Feb 1998 to 24 Feb 1998'
> Someone can indicate me a good 2 (or 3) axis acceleration sensor?
> I searched for a Motorola MMAS40G but it's expensive and deliver is too long.
> Some suggestion?
Analog Devices makes a development board with 2 of their ADXL ics
> The benefits of a super accurate A/D will be lost without the right kind of
> connectors, and cold junction compensation. Anyone know the magnitude
> these errors, and any ways to compensate for them without a 10 dollar
We have manufactered temprature indicating equipment for years, mostly
for the iron and steel industry along with importing a line of Japanese
controllers. Everything now has micros in it to compensate for the non
linearity of T/Cs. Junction compenstation is usally done 1 of 2 ways. A
device that varies with temp that is fed into the amplifier circuitry or
a solid state temprature indicator at the junction block which the micro
reads and fiqures in. For
plug in probes we use the appropiate jack/plug/wire. The final terminal
block on the PCBd is a standard type.
> > Someone can indicate me a good 2 (or 3) axis acceleration sensor?
> > I searched for a Motorola MMAS40G but it's expensive and deliver is too
> > Some suggestion?
> > Thanks.
> Analog Devices makes a development board with 2 of their ADXL ics
> on it.
Two accelerometers, two _little_ boards (surface mount except the
ADXL05), application notes. About $60 from Allied or Newark.
You get to mount the surface mount yourself... depending on scaling
and banwidth you require. Don't bother with the 0 level reistor
if you want an accurate 0g level - you _will_ need external trimpots.
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