Measuring Distance, Accleration, Motion, Rotation etc.

Electronics Infoline Web

Strain gauge sensor

http://circuitos.tripod.cl/schem/r98.gif

http://www.mitedu.freeserve.co.uk/Circuits/Misc/perim.htm

uses a PIC16F877 to measure the output of a temperature sensor and an absolute pressure transducer to measure altitude

http://www.web-ee.com/Schematics/Altimeter/altimeter.htm

http://undershorts.org/espresso/air_whammy/schematic.gif

using ADXL202 and AVR

http://www.myplace.nu/avr/accelr8/

http://measure.igpp.ucla.edu/hemisphere/Manuals/Magnetometer.pdf

http://www.mil.ufl.edu/imdl/handouts/sharphack.pdf