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  1. DANTHEELECTRICMAN

    ADC FORMULA

    HELLO:I have a bit of a math curiosity. I need to understand how the formula works. This is from a flow sensor,going to an ADC,on a 5 volt ref.. Here it is... (240 - 238) = 2 (* 2) = 4 (\ 5) = .8 (+ 30) = 30.8 original formula... (240 - 238) = 2 (\ 2.5) = .8 (+ 30) = 30.8 my reduced...
  2. DANTHEELECTRICMAN

    MEDIAN FILTER,FOR BASIC

    HELLO: WELL I HAVE SPENT MOST OF THE DAY READING ONLINE ARTICLES ABOUT CODING FOR A MEDIAN FILTER. EVEN TRIED AN EXAMPLE,STILL OVER MY HEAD...I HAVE A 22 BIT ADC FOR A CO2 SENSOR,OUTPUT IS IN P.P.M., SO AT 5% GAS OR (50,000 PPM IS WHAT I WILL DISPLAY),THE READING IS A LITTLE JUMPY. LIKE 50,130...
  3. DANTHEELECTRICMAN

    MATH PROBLEM

    OK, I HAVE HAD A LOT OF THESE MATH PROBLEMS AND AFTER I PULL A FEW HAIRS OUT I HAVE MY ANSWER. WELL THIS TIME I HAVE A BRAIN FART,STILL NO ANSWER...IF SOMEONE HAS A FORMULA FOR THIS ONE,A MILLION THANKS...I HAVE A SENSOR THE OUT PUT ADC VALUE IS FROM 574(LOW END) TO 634(HIGH END),OK THAT IS...
  4. DANTHEELECTRICMAN

    BTU FROM PERCENT METHANE

    HELLO: I WAS HOPING A PROFESSIONAL IN THE FIELD COULD HELP WITH VERIFICATION. I DID GOOGLE AND FOUND A LOT OF HELPFUL INFORMATION,BUT THAT FINAL VERIFICATION WOULD REALLY HELP.I WANT TO KNOW HOW TO CALCULATE BTU OF METHANE FROM PERCENT BY VOLUME OF METHANE GAS. FOR EXAMPLE: I HAVE 10%...

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