January 1, 2011
about 10 months ago
By default the temperature sensor is disabled. Did you enable it by setting the TEMP_EN bit to 1 in the CTRL_REG5_XM register?
about 3 years ago
Use a limit resistor to drop voltage to the backlight. Use this equation RLIMIT = (VBACKLIGHT – 4.2V) / 0.12A.
Found at this website. http://www.pololu.com/catalog/product/772
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