Been done, though not with a PIC.  G-Cube, G-Tech, and similar products
are in use by road racers, autocross drivers, and the occasional drag
racer.  I think the G-Tech, at least, is 68HC11 based, though I could
certainly be wrong.

Dale

On Thu, 18 May 2000, vrf.craig wrote:

> Hello guys... here's an interesting thing to see if someone's got it already:
>
> Anybody ever take a small accelerometer and use a pic to read its data state, and to record calculated telemetry data from, say, a remote controller car or remote controller airplane?
>
> Knowing the weight of the vehicle, couldn't we translate the acceleration of the vehicle into speed, Gs, pitch, and bank?
>
> Anybody got any ideas?
>
> Thanks!
>   ----- Original Message -----
>   From: Robert Bednarz
>   To: PICLIST@MITVMA.MIT.EDU
>   Sent: Wednesday, May 17, 2000 10:12 PM
>   Subject: Re: [OT] 64-Kb Shift Register or Maybe a FIFO
>
>
>   take a look at Electronic Design   May 15, 2000
>   ideas for design
>   FIFO Simulates Large Shift Register
>   by Massimo Gottardi
>
>   bucket brigades are for analog signals
>
>   Bob
>
>   ----- Original Message -----
>   From: "Martin McCormick" <martin@DC.CIS.OKSTATE.EDU>
>   To: <PICLIST@MITVMA.MIT.EDU>
>   Sent: Wednesday, May 17, 2000 9:21 PM
>   Subject: [OT] 64-Kb Shift Register or Maybe a FIFO
>
>
>   >         I need to delay a bit stream of audio for one second.
>   > What would work is a 65536-stage shift register because all that
>   > needs to happen is for a bit to start at Stage 1 and march
>   > through the register until it appears at the final stage.  That's
>   > it.  Just clock and data.
>   >
>   >         Obviously, if there is a shift register or something that
>   > can easily be made to behave like one that has 16 Kb or 32 Kb or
>   > is variable between 0 and 65536 bits, that would be gravy, but I
>   > need to delay the stream for 1 second.  That is the most
>   > important feature, and the data are serial so only one bit is
>   > needed.
>   >
>   > Martin McCormick WB5AGZ  Stillwater, OK
>   > OSU Center for Computing and Information Services Data Communications
>   Group
>

---
The most exciting phrase to hear in science, the one that heralds new
discoveries, is not "Eureka!" (I found it!) but "That's funny ..."
                -- Isaac Asimov