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  • 15:58, 22 August 2025 Usr255 talk contribs created page Ardunio (soft serial) connect to Smart LCD (Created page with "=== background === * Smart LCD mainly provide RS-232C as interface terminal. * Developer normally use Arduino hardware to connect to TOPWAY Smart LCD (with MAX3232) * But it might confrick with Arduino Serial Monitor for debug print out * Where, it can use a soft_serial for Smart LCD command instead === how to === config the Smart LCD RS-232C terminal as 38400bps (the highest speed of Arduino UNO soft_serial baud rate) note that soft_serial can not provide 115200bps...") Tag: Visual edit