# Qualcomm Dragonwing RB3 Gen 2 Development Kit user guide – Linux Note To upgrade the software to QLI 2.0, see [Update the Qualcomm Linux software](https://docs.qualcomm.com/doc/80-80023-251/topic/upgrade-rb3gen2-software.html#upgrade-rb3gen2-software). Set up and connect the Qualcomm Dragonwing^™^ RB3 Gen 2 Development Kit to Linux^®^, Windows^®^, and macOS^®^ host computers to explore and try out end-to-end multimedia and AI sample applications. To explore multimedia and AI sample applications without connecting to a host computer, see [Qualcomm Dragonwing RB3 Gen 2 Development Kit quickstart – Linux](https://docs.qualcomm.com/bundle/publicresource/topics/80-80023-253/qsg-landing-page.html). Featured topics [Set up the device](https://docs.qualcomm.com/doc/80-80023-251/topic/set_up_the_device.html#set-up-the-device) [Run AI applications](https://docs.qualcomm.com/doc/80-80023-251/topic/run_apps_manually_on_host.html#concept-ept-xcd-p1c) [Run multimedia applications](https://docs.qualcomm.com/doc/80-80023-251/topic/run_apps_manually_on_host.html#concept-dwn-xbd-p1c) [Update the software](https://docs.qualcomm.com/doc/80-80023-251/topic/upgrade-rb3gen2-software.html#upgrade-rb3gen2-software) ## Introduction What’s in the box Provides an overview of the Dragonwing RB3 Gen 2 Development Kit variants and their components. https://docs.qualcomm.com/doc/80-80023-251/topic/introduction.html#unbox-kit ## Hardware overview Get familiar with the board Watch a video about the Dragonwing RB3 Gen 2 Development Kit architecture and board. https://docs.qualcomm.com/doc/80-80023-251/topic/rb3_hardware_overview.html#rb3-board-overview LEDs and buttons > > > Learn about LEDs statuses and uses of buttons on the mainboard. https://docs.qualcomm.com/doc/80-80023-251/topic/rb3_hardware_overview.html#leds-buttons Connectors Familiarize yourself with the connectors and ports on the mainboard. https://docs.qualcomm.com/doc/80-80023-251/topic/rb3_hardware_overview.html#connectors Vision mezzanine > > > Learn about the key components and connectors on the mainboard and Vision mezzanine. https://docs.qualcomm.com/doc/80-80023-251/topic/rb3_hardware_overview.html#vision-mezzanine Sensors Learn about the sensor types, placement, part numbers, and other details about the sensors available on mainboard and Vision mezzanine. https://docs.qualcomm.com/doc/80-80023-251/topic/rb3_hardware_overview.html#sensors Ethernet Learn about the Ethernet interface and connectors on the interposer board. https://docs.qualcomm.com/doc/80-80023-251/topic/rb3_hardware_overview.html#ethernet Mainboard RF antennas Understand the types of antennas supported on the mainboard. https://docs.qualcomm.com/doc/80-80023-251/topic/rb3_hardware_overview.html#mainboard-rf-antennas ## Set up the device Power up the device Power up the device to initiate the device setup process. https://docs.qualcomm.com/doc/80-80023-251/topic/set_up_the_device.html#power-up Set up debug UART Display diagnostic messages and access the device through the UART shell. https://docs.qualcomm.com/doc/80-80023-251/topic/set_up_the_device.html#debug-uart Verify the software version Verify the Qualcomm^®^ Linux^®^ version to ensure that you’re using the latest version. https://docs.qualcomm.com/doc/80-80023-251/topic/set_up_the_device.html#concept-p21-rvz-qbc Connect to a network Establish an internet connection using either Ethernet or Wi-Fi. https://docs.qualcomm.com/doc/80-80023-251/topic/set_up_the_device.html#wifi-ubuntu Connect to SSH Facilitate secure file transfers between the host computer and the Dragonwing RB3 Gen 2 device. https://docs.qualcomm.com/doc/80-80023-251/topic/set_up_the_device.html#connect-ssh Connect to HDMI display Connect the HDMI display monitor to view the output of sample applications. https://docs.qualcomm.com/doc/80-80023-251/topic/set_up_the_device.html#concept-wc5-hcp-4bc ## Run sample applications Use Qualcomm Visual Studio Code Extension Run sample applications using an integrated application development environment for Qualcomm development kits. https://docs.qualcomm.com/bundle/publicresource/topics/80-79972-1/quick_start.html Use a host computer (Ubuntu, Windows, or mac) Run sample application using a host computer with Windows, Ubuntu, or mac operating system. https://docs.qualcomm.com/doc/80-80023-251/topic/demo_app.html#run-apps-using-host-computer Use Qdemo to run sample applications Run sample applications using Qdemo, a preinstalled GUI-based application. https://docs.qualcomm.com/bundle/publicresource/topics/80-80022-253/qsg-landing-page.html ## Update the software Use the Qualcomm Visual Studio Code Extension to update the software > > > Install the latest Qualcomm Linux version using the Qualcomm Visual Studio Code Extension. https://docs.qualcomm.com/bundle/publicresource/topics/80-79972-1/quick_start.html Update software using the Ubuntu host computer Install the latest Qualcomm Linux version using the Ubuntu host computer. https://docs.qualcomm.com/doc/80-80023-251/topic/upgrade-rb3gen2-software.html#update-sw-ubuntu-host Update software using the Windows host computer Install the latest Qualcomm Linux version using the Windows host computer. https://docs.qualcomm.com/doc/80-80023-251/topic/upgrade-rb3gen2-software.html#windows-software-upgrade Update software using the macOS host computer Install the latest Qualcomm Linux version using the macOS host computer. https://docs.qualcomm.com/doc/80-80023-251/topic/upgrade-rb3gen2-software.html#software-upgrade-mac-host Use over-the-air update tools to update the software Install the the latest Qualcomm Linux version incrementally using over-the-air (OTA) tools. https://dragonwingdocs.qualcomm.com/Key-Documents/Yocto-Guide/update-firmware-and-os-on-qualcomm-linux-using-capsule-and-os-tree-mechanisms ## Develop applications Develop applications using the Qualcomm Visual Studio Code Extension Explore the Qualcomm Visual Studio Code Extension and start your application development journey on the Dragonwing RB3 Gen 2 device. https://docs.qualcomm.com/doc/80-80023-251/topic/develop_application.html#develop-application Develop or customize applications using makefile or devtools Explore methods to develop or customize applications using the Qualcomm Intelligent Multimedia (QIM) SDK. https://dragonwingdocs.qualcomm.com/SDKs/IMSDK/qimsdk-overview/building-native-app ## FAQs FAQs Get answers to common questions about setup and configuration. https://docs.qualcomm.com/doc/80-80023-251/topic/faqs.html#qsg-faqs ## References Low-speed and high-speed expansion connectors Shows the low-speed (LS) and high-speed (HS) connector locations, GPIOs, and pin numbers. https://docs.qualcomm.com/doc/80-80023-251/topic/references.html#ls-hs-connectors DIP switches Shows the DIP switch location and description of functionality. https://docs.qualcomm.com/doc/80-80023-251/topic/references.html#dip-switches Custom camera sensor Connect a custom camera sensor with the Dragonwing RB3 Gen 2 device. https://docs.qualcomm.com/doc/80-80023-251/topic/references.html#custom-camera-sensor Reference designs and related documents Find reference designs, schematics, and documents. https://docs.qualcomm.com/doc/80-80023-251/topic/references.html#rel-docs Acronyms and terms List of acronyms and terms used in this document. https://docs.qualcomm.com/doc/80-80023-251/topic/references.html#acronyms-and-terms Last Published: Jul 01, 2026 [Next Topic Introduction](https://docs.qualcomm.com/bundle/publicresource/80-80023-251/topics/introduction.md)