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How to use 4x4 keypad and 16x2 LCD with Orange Pi

Kerem_Soke
in Allwinner sunxi

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Hello,

Im trying to use 4x4 membrane keypad with Orange Pi with PyA20 module. 

 

Im trying this code but this not working. Can you help me? Im using Armbian 5.25 on my OPi Lite. 

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