Board-dat/NWI/NWI1245-DAT/NWI1245-DAT.md
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@@ -48,7 +48,10 @@ https://www.electrodragon.com/product/esp32-can-rs-485-wire-interface-shield/
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![](2024-04-22-16-38-16.png)
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-![](53-04-16-30-01-2023.png)
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+- Red pins for power supply
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+- blue pins for serial interfaces
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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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