# Qualcomm Dragonwing RB3 Gen 2 Development Kit user guide – Linux 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 the [Qualcomm Dragonwing RB3 Gen 2 Development Kit quickstart – Linux](https://docs.qualcomm.com/bundle/publicresource/topics/80-70020-253/qsg-landing-page.html). Featured topics [Set up the device](https://docs.qualcomm.com/doc/80-70020-251/topic/set_up_the_device.html#set-up-the-device) [Run AI applications](https://docs.qualcomm.com/doc/80-70020-251/topic/run-apps-manually-on-host.html#concept-ept-xcd-p1c) [Run multimedia applications](https://docs.qualcomm.com/doc/80-70020-251/topic/run-apps-manually-on-host.html#concept-dwn-xbd-p1c) [Update the software](https://docs.qualcomm.com/doc/80-70020-251/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/80-70020-251/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/80-70020-251/topic/rb3_hardware_overview.html#rb3-board-overview [LEDs and buttons](https://docs.qualcomm.com/doc/80-70020-251/topic/rb3_hardware_overview.html#leds-buttons) > > > Learn about LEDs statuses and uses of buttons on the mainboard. https://docs.qualcomm.com/doc/80-70020-251/topic/rb3_hardware_overview.html#leds-buttons [Connectors](https://docs.qualcomm.com/doc/80-70020-251/topic/rb3_hardware_overview.html#connectors) Familiarize yourself with the connectors and ports on the mainboard. https://docs.qualcomm.com/doc/80-70020-251/topic/rb3_hardware_overview.html#connectors [Vision mezzanine](https://docs.qualcomm.com/doc/80-70020-251/topic/rb3_hardware_overview.html#vision-mezzanine) > > > Learn about the key components and connectors on the mainboard and Vision mezzanine. https://docs.qualcomm.com/doc/80-70020-251/topic/rb3_hardware_overview.html#vision-mezzanine [Sensors](https://docs.qualcomm.com/doc/80-70020-251/topic/rb3_hardware_overview.html#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/80-70020-251/topic/rb3_hardware_overview.html#sensors [Ethernet](https://docs.qualcomm.com/doc/80-70020-251/topic/rb3_hardware_overview.html#ethernet) Learn about the Ethernet interface and connectors on the interposer board. https://docs.qualcomm.com/doc/80-70020-251/topic/rb3_hardware_overview.html#ethernet [Mainboard RF antennas](https://docs.qualcomm.com/doc/80-70020-251/topic/rb3_hardware_overview.html#mainboard-rf-antennas) Understand the types of antennas supported on the mainboard. https://docs.qualcomm.com/doc/80-70020-251/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/80-70020-251/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/80-70020-251/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/80-70020-251/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/80-70020-251/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/80-70020-251/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/80-70020-251/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/doc/80-70020-251/topic/run-apps-using-ide.html#run-apps-using-vscode 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/80-70020-251/topic/run-apps-manually-on-host.html#run-apps-using-host-computer ## Update the software Update software using the Ubuntu host computer Install the latest Qualcomm Linux version using the Ubuntu host computer. https://docs.qualcomm.com/doc/80-70020-251/topic/upgrade-rb3gen2-software.html#ubuntu-software-upgrade Update software using the Windows host computer Install the latest Qualcomm Linux version using the Windows host computer. https://docs.qualcomm.com/doc/80-70020-251/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/80-70020-251/topic/upgrade-rb3gen2-software.html#mac-software-upgrade ## 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/80-70020-251/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://docs.qualcomm.com/bundle/publicresource/topics/80-70020-51/application-development.html ## FAQs FAQs Get answers to common questions about setup and configuration. https://docs.qualcomm.com/doc/80-70020-251/topic/faqs.html#qsg-faqs ## References [Low-speed and high-speed expansion connectors](https://docs.qualcomm.com/doc/80-70020-251/topic/references.html#ls-hs-connectors) Shows the low-speed (LS) and high-speed (HS) connector locations, GPIOs, and pin numbers. https://docs.qualcomm.com/doc/80-70020-251/topic/references.html#ls-hs-connectors [DIP switches](https://docs.qualcomm.com/doc/80-70020-251/topic/references.html#dip-switches) Shows the DIP switch location and description of functionality. https://docs.qualcomm.com/doc/80-70020-251/topic/references.html#dip-switches [Custom camera sensor](https://docs.qualcomm.com/doc/80-70020-251/topic/references.html#custom-camera-sensor) Connect a custom camera sensor with the Dragonwing RB3 Gen 2 device. https://docs.qualcomm.com/doc/80-70020-251/topic/references.html#custom-camera-sensor [Reference designs and related documents](https://docs.qualcomm.com/doc/80-70020-251/topic/references.html#rel-docs) Find reference designs, schematics, and documents. https://docs.qualcomm.com/doc/80-70020-251/topic/references.html#rel-docs [Acronyms and terms](https://docs.qualcomm.com/doc/80-70020-251/topic/references.html#acronyms-and-terms) List of acronyms and terms used in this document. https://docs.qualcomm.com/doc/80-70020-251/topic/references.html#acronyms-and-terms Last Published: Dec 30, 2025 [Next Topic Introduction](https://docs.qualcomm.com/bundle/publicresource/80-70020-251/topics/introduction.md)