> > > Acceleration in a rocket might not affect the crystal too badly, > even if timing was somewhat affected, but the decceleration > when the rocket (or whatever the device is) lands might break it It's more the jerk and the noise, than the gross acceleration, although bending the internals into the can seems doable. -- > Feel the power of the dark side! Atmel AVR -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist