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If data is 1234 and there is no decimal point in the value, the display will only show 1234. I still have to add checks for how many digits and if the display comma needs to be enabled or not. For example, 25.2'C. I have an idea:
code:if (char == "'") { I2C1.writeTo (a,0b00001000); //turn on comma}
Doh, I get it now, wasn't reading carefully enough and missed the two I2CI.writeTo()'s before the decimal point check, sorry, my bad!