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Since this LCD only supports 3.3V I0 level, when using the UNO system board, as UNO can only be set as push-pull output, its L0 maximum output is 5V 30mA, which will lead to LCD level identification error and even burn the LCD screen.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.