Converting hex to decimal

[dick]

Heeo,
here i come again
20;0A;Cresta;ID=2C01;TEMP=00e8;HUM=63;BAT=OK;
with change is it reformed to:
20;05;Cresta;ID;2C01;TEMP;00f2;HUM;65;BAT;OK

it is working till
{"ID":147,"TEMP":27,4,BAT":OK,"HUM":78}

what shall i do to get this information
in a eg gauge temperature , gauge humidity
ID in text for the dashboard?
thanks in advance.
gr
Dick