I know this is an old problem, however I've spent the last hour trying to resolve the same issue.
Only posting to help future people with the same issue as wellesley.
The issue of hanging on using lcd.createchar is present on the following libraries:
- LiquidCrystal (adafruit i2C modified version)
- LiquidTWI
- LiquidTWI2
lcd.createchar must be placed AFTER lcd.begin, otherwise it will compile, but operation hang.
Swapping them over works a treat on mine.
Hope that helps!
Dan
LiquidTWI Compiler errors with Arduino 1.0
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Please be positive and constructive with your questions and comments.