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September 3, 2008
about 7 years ago
My last displays (not from sparkfun) have a epson-controller. It was much too bright, contrast control did not work.
I discovered that it works if you connect 1 with 6 but not connect the two pins to any supply.
Now contrast works, all colors fine!
I measure 1-6 to GND 2.85V. Seems that LED V+ supply the whole display.
PS: I have 100nF from 1-6 to GND.
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