It is just about ten
years ago that this
magazine published
the design of a barometer/altimeter.
In these
ten years electronics
technology has progressed
to developments
that were
unimaginable then. The
present barometer/
altimeter is based on
a precision airpressure
sensor
with integral
signal
processor
from Motorola.
Evaluation,
storing, display
and interchange
of data are
effected by a microcontroller
system.
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