monitoring signal using 7 segment

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please want in that  task  want code , design

a parameter measured, output electric signal ( displayed using 6 7-- 15 15 vdc) needs segments digits.
the calibration constant 0.35.
arduino microcontroller
monitor pressure , display value (bar) on lcd
a yellow warning lamp lit if value drops below1.2 red warning lamp , buzzer on when value exceeds 2.
the system operated on/off switch

take breath.. start over.
what u want measure? 
got sensor ? (datasheet?)
what kind of display use ? / how present data.
similar found on forum..  / google/youtube?


Arduino Forum > Using Arduino > Displays > monitoring signal using 7 segment


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