The HIH-4000 Humidity Sensors has an output voltage which must be referenced to percent humidity. My DS2438 is reading the voltage output of the humidity sensor. I then need to use a lookdown table to determine the humidity. I have verified the voltage (Volt_humid var word) is a good number going into the lookdown2 module. The problem is that I get “0” on the output of the Lookdown2 (Humidity var word). The table starts at 128 = 15% humidity.

Code:
    lookdown2 Volt_humid, >[128,132,135,138,141,144,147,150,154,157,160_                                                                                                                    
    ,163,166,169,172,176,179,182,185,188,191,194,198_                 
    ,201,204,207,210,213,216,220,223,226,229,232,235,238_      '32               
    ,241,245,248,251,254,257,260,261,267,270,273_ 
    ,276,279,282,285,289,292,295,298,301,304,307,311,314,317,320_                    
    ,323,326,329,333,336,339,340,345,348,351,354,358,364,367,370], Humidity
I can’t find any problem with the lookdown2 module and it compiles just fine. Comments please.