DS18B20

[kjda]

Can any one help me with code for negative celcius degrees on LCD with readtemp12 comand? I cant get the decimals values to count correct.

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[tarzan]

http://www.phanderson.com/picaxe/ds18b20_2.html <A href='http://www.phanderson.com/picaxe/ds18b20_2.html' Target=_Blank>External Web Link</a>

[Stan. SWAN]

Brrrr! This subzero &quot;bug&quot; gives -temps &lt;0 C read as ascending from 128. Ex 129 = -1C, 130 = -2C etc
Fix when &gt;127 by subtracting 128.Thus b1=b1-128 Ex.-3= 131-128. (Ref Cmd HELP P.66)
Stan

[Michael 2727]

And that's only in Deg C,
wait till you try to convert it to Fahrenheit,,~ ;o(