altimeter with mpx2200AP and icl7106/PMLCD

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scmael

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mpx2200ap and icl7106/pmlcd

altimeter with mpx2200AP and icl7106/PMLCD
to 2000 meters
 

altimeter with mpx2200ap and icl7106/pmlcd

what are IC4 and IC11 the yellow ones?
 

Re: ALTIMETER

lm324 power to pin 11 and pin 4 GND VCC 6v

Added after 2 minutes:

pcb
 

her bro may i get fuctinality and block diagram....
 

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