I remember seing somewhere on the ADXL202 costing some USD12. As for memsic,
ahem.......
MXD2020A/B, MXR2500AL, MXA2500AL all cost  USD14.50. Minimum quantity order
is 85 pieces and then there is the minimum order value at USD500. (
quotation from local supplier )

Even if I managed to get some samples from them, this product will be
difficult to sell due to the price. Ideas from earlier posting suggest using
encoders and also ball bearing potentiometer. But having difficulty getting
local supplier for these parts.

have a nice day.

Rgds,
pang



----- Original Message -----
From: "Joe McCauley" <joe.mccauley@TCD.IE>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Thursday, May 23, 2002 11:31 PM
Subject: Re: [EE]:Tilt sensor


> Any idea of how much these cost?
>
> Joe
>
> -----Original Message-----
> From: pic microcontroller discussion list
> [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Ken Evans
> Sent: 21 May 2002 09:29
> To: PICLIST@MITVMA.MIT.EDU
> Subject: Re: [EE]:Tilt sensor
>
>
> Also check out Memsic MXD2020, can take 50,000g.
>
> www.memsic.com
>
> ADXL202 can be easily broken.
>
> see below for more
>
> Ken
> ----- Original Message -----
> From: "Pang" <klpang@AICM.COM.MY>
> To: <PICLIST@MITVMA.MIT.EDU>
>
> >I am totally lost in those terms and
> > metrics used. Appreciate if anyone can point me to any of these links of
> > information describing these terms.
> >
> > Some terms here -
> >
> > Measurement Range  1 2g
>
> 1g is the gravitational acceleration. If you point the accelerometer
> sensitive axis (see data sheet) down or up, you will get + and - 1g.
Useful
> for calibration.
>
> > Cross-Axis Sensitivity    12 %
>
> The device in question is a dual accelerometer. Its 2 accelerometers
> measures acceleration in 2 axes nominally at right angles to each other.
> However each has a small reponse to acceleration along the direction
(axis)
> at right angles to its own axis - cross axis sensitivity.
>
> > Noise Density
> residual noise expressed in spectral terms. Can be reduced by suitable low
> pass filter.
>
> > Acceleration (Any Axis, Unpowered for 0.5 ms) . . . . . . 1000 g
>
> beyond this the device will be permanently damaged. ie the silicon breaks
!
>
> > Acceleration (Any Axis, Powered for 0.5 ms) . . . . . . . . . . 500 g
>
> as above.
> >
> > Thanks and have a nice day.
> >
> > Rgds,
> > Pang
> >
> > --
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> >
> >
> >
>
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