Board-dat/NWI/NWI1245-DAT/NWI1245-DAT.md
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@@ -53,7 +53,7 @@ https://www.electrodragon.com/product/esp32-can-rs-485-wire-interface-shield/
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- green pins IO22/IO23 for CAN BUS
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- the rest green pins and orange pins for power switch controls
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-- back side selector for UARTs
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+- back side selector for UART-0-main or UART1-alternative
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## removing tips
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