>    Greg, I've wanted to do a complete payload package for a long time.
> Several already exist and there have been many articles. One source is
> Circuit Cellar #98 (Sept 98). Though they were measuring acceleration to
> record the performance of standard Estes engines using an Analog Devices
> ADXL50, there is a lot of good info in the article. It's based on a
> PIC16C73, stores data in a serial flash memory, and sends data to a PC.
>

Note that they found a strange oscillation in their reading which I think
is caused by the flash drawing a large current during writing.

Wouter.