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plz do help me

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genious guys
i really need ur help
well i am making temperature sensor .well output of my TEMPERATURE SENSOR IS for e.g o.28 vlots for 28 degree ,0.29 vlots for 29 degree centigrade.
i want to display this o.28 volts as 28 on 7 segment display.
how can i do this
IN SHORT "I WNAT TO DISPLAY 0.28 as 28 on seven segment & .29 as 29 "
plz help me

second tell me any working circuitry of SIMPLE METAL DETECTOR
i tried many but no body works
plz plz plz help me

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