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29 lines
1.6 KiB
Markdown
29 lines
1.6 KiB
Markdown
# Klipper Firmware
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## Firmware Precompiled by BIGTREETECH
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- [firmware-USB.bin](./firmware-USB.bin). Connect the SKR-Mini to the Raspberry Pi via USB connection.
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- [firmware-USART2.bin](./firmware-USART2.bin). Use TFT port USART2 to communicate with raspberry pi. Connect the UART-TX of raspberry pi with the USART-RX2 of motherboard and connect the UART-RX of raspberry pi with the USART-TX2 of motherboard directly to communicate normally.
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Alternatively, find instructions on how to build the firmware yourself [here](https://github.com/bigtreetech/BIGTREETECH-SKR-mini-E3/tree/master/firmware/V3.0/Klipper#build-firmware-image).
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## Flash Firmware
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1. Rename `firmware-USB.bin` or `firmware-USART2.bin` to `firmware.bin`.
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Important: If the file is not renamed, the bootloader will not be updated properly.
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2. Copy `firmware.bin` to the root directory of the microSD card (make sure the card is in FAT32 format).
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3. Power off the SKR-mini-E3-V3.0.
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4. Insert the microSD card.
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5. Power on the SKR-mini-E3-V3.0.
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6. After a few seconds, the SKR-mini-E3-V3.0 should be flashed.
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7. You can confirm that the flash was successful, by running ls /dev/serial/by-id. If the flash was successful, you'll see something like the following:
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<img src="ls-output.png" alt='skr-mini-e3-v3.0 installation instructions'/>
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# Electronic Wiring
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<img src="skr-mini-e3-v3.0-v1678580296384.png" alt='skr-mini-e3-v3.0 installation instructions'/>
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# Sources
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- https://github.com/bigtreetech/BIGTREETECH-SKR-mini-E3/tree/master/firmware/V3.0/Klipper#how-to-use-klipper-on-skr-mini-e3-v30
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- https://forum.sovol3d.com/t/sv06-mit-skr-e3-mini-v3/1189/24
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