Explanation of exactly what you did to try to get it to work, INCLUDING the POWER CONNECTION DETAIL (ie: what voltage you connected to the display) and wiring detail of how you connected it.
SpecificationPower Supply: 4.5?5.5VMicrcontroller?ST7920Resulution?128×64Display color?blue lit with white charView angle?170 degreeLCD module?STNControl interface?8/4 bits Pallelel (Default) or 3 bits serial (SPI)Module size:93x70x22mmVisuable size:73x39mm
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