> For the complete documentation index, see [llms.txt](https://docs.arkelectron.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.arkelectron.com/products/flight-controller/ark-pi6x-flow.md).

# ARK Pi6X Flow

- [Block Diagram](https://docs.arkelectron.com/products/flight-controller/ark-pi6x-flow/block-diagram.md)
- [Pinout](https://docs.arkelectron.com/products/flight-controller/ark-pi6x-flow/pinout.md)
- [3D Models](https://docs.arkelectron.com/products/flight-controller/ark-pi6x-flow/3d-models.md)
- [Flashing Guide](https://docs.arkelectron.com/products/flight-controller/ark-pi6x-flow/flashing-guide.md)
- [Pi CM4 Lite with Micro SD](https://docs.arkelectron.com/products/flight-controller/ark-pi6x-flow/flashing-guide/pi-cm4-lite-with-micro-sd.md)
- [Pi CM4 with EMMC](https://docs.arkelectron.com/products/flight-controller/ark-pi6x-flow/flashing-guide/pi-cm4-with-emmc.md)
- [After Flashing, Before Installing](https://docs.arkelectron.com/products/flight-controller/ark-pi6x-flow/flashing-guide/after-flashing-before-installing.md): After flashing the SD/EMMC you must modify the config.txt in order for the ARK Pi6X to function properly.
- [Wi-Fi Setup](https://docs.arkelectron.com/products/flight-controller/ark-pi6x-flow/flashing-guide/wi-fi-setup.md): If WiFi was not setup via the OS Customization options in the Pi Imager UI you can follow these steps to setup your network.
- [SSH](https://docs.arkelectron.com/products/flight-controller/ark-pi6x-flow/flashing-guide/ssh.md): If SSH was not setup via the OS Customization options in the Pi Imager UI you can follow these steps to setup SSH.
- [ARK Services](https://docs.arkelectron.com/products/flight-controller/ark-pi6x-flow/ark-services.md)
- [Services](https://docs.arkelectron.com/products/flight-controller/ark-pi6x-flow/ark-services/services.md): This page explains the function of each ARK-OS service.
- [Autopilot Connections](https://docs.arkelectron.com/products/flight-controller/ark-pi6x-flow/autopilot-connections.md)
- [QGroundControl Connection](https://docs.arkelectron.com/products/flight-controller/ark-pi6x-flow/autopilot-connections/qgroundcontrol-connection.md)
- [Updating the Flight Controller Firmware](https://docs.arkelectron.com/products/flight-controller/ark-pi6x-flow/updating-the-flight-controller-firmware.md): The Pi6X Flow can be flashed with PX4 Firmware from v1.15 and above


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