Questions tagged [16x2]

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16x2 lcd display to raspberry pi black text instead of white [closed]

I just connected a lcd 16x2 display to the raspberry pi (directly, no breadboard). I can display text and send command to it without problem. The only problem is that the text is black while it should ...
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How to check if 16x2 LCD is 5 volts or 3.3 volts?

I got a 16x2 LCD display but I have no clue if it's 5 volt or 3.3 volt logic. I'd like to use it on a Raspberry Pi but I'm afraid to just plug it into the 3.3 volts if the display is 5 volt. The ...