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Nano 1.2 Can't connect to MCU #25

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3dOA opened this issue Nov 25, 2022 · 1 comment
Open

Nano 1.2 Can't connect to MCU #25

3dOA opened this issue Nov 25, 2022 · 1 comment

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@3dOA
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3dOA commented Nov 25, 2022 •
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I cannot connect via USB. Tried several ways and times. Re-flashed several times. Using an MKS Pi V1.1 for Klipper. I am trying to use UART for my RX/TX MCU communication. I set the firmware to UART1 with PA9 and PA10 for RX/TX and set the MKS Pi to use serial:/dev/ttyS0 under the MCU in the printer.cfg file. Then have jumpers from the UART RX/TX pins from the MKS Pi to PA9 and PA10 on the Wifi header on the Nano 1.2. What am I missing to get this to work?
@agui4541
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agui4541 commented Nov 9, 2023

Maybe you should install ch340 chip drivers in your computer

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@3dOA @agui4541