# RB3 Gen 2 Development Kit documentation Location and description of the components, layout, hardware connectors, DIP switches, and GPIOs in the Quaclomm® RB3 Gen 2 Development Kit. ## Introduction [Introduction](https://docs.qualcomm.com/doc/80-70018-251/topic/introduction.html#introduction) Watch this video to get to know the RB3 Gen 2 Development Kit. https://docs.qualcomm.com/doc/80-70018-251/topic/introduction.html#introduction ## Hardware overview [Status LEDs and buttons](https://docs.qualcomm.com/doc/80-70018-251/topic/rb3_hardware_overview.html#leds-buttons) Shows the location of the LEDs and buttons on the mainboard. https://docs.qualcomm.com/doc/80-70018-251/topic/rb3_hardware_overview.html#leds-buttons [Connectors](https://docs.qualcomm.com/doc/80-70018-251/topic/rb3_hardware_overview.html#connectors) Shows the location of the connectors on the mainboard and interposer. https://docs.qualcomm.com/doc/80-70018-251/topic/rb3_hardware_overview.html#connectors [Vision mezzanine](https://docs.qualcomm.com/doc/80-70018-251/topic/rb3_hardware_overview.html#vision-mezzanine) List of key components and a block diagram. https://docs.qualcomm.com/doc/80-70018-251/topic/rb3_hardware_overview.html#vision-mezzanine [Sensors](https://docs.qualcomm.com/doc/80-70018-251/topic/rb3_hardware_overview.html#sensors) List of the sensors on the mainboard and vision mezzanine. https://docs.qualcomm.com/doc/80-70018-251/topic/rb3_hardware_overview.html#sensors [Ethernet](https://docs.qualcomm.com/doc/80-70018-251/topic/rb3_hardware_overview.html#ethernet) Shows the location of Ethernet connectors and provides a description of Ethernet functionality. https://docs.qualcomm.com/doc/80-70018-251/topic/rb3_hardware_overview.html#ethernet [Mainboard RF antennas](https://docs.qualcomm.com/doc/80-70018-251/topic/rb3_hardware_overview.html#mainboard-rf-antennas) Shows the location of RF antennas on the mainboard and interposer. https://docs.qualcomm.com/doc/80-70018-251/topic/rb3_hardware_overview.html#mainboard-rf-antennas ## Power up and power cycle [Mainboard power](https://docs.qualcomm.com/doc/80-70018-251/topic/rb3_mainboard_power.html#mainboard-power) Power up the device. https://docs.qualcomm.com/doc/80-70018-251/topic/rb3_mainboard_power.html#mainboard-power ## Force RB3 into emergency download mode [EDL mode](https://docs.qualcomm.com/doc/80-70018-251/topic/rb3_gen2_force_edl_mode.html#edl) Force the device to enter emergency download (EDL) mode. https://docs.qualcomm.com/doc/80-70018-251/topic/rb3_gen2_force_edl_mode.html#edl ## References [Low-speed and high-speed expansion connectors](https://docs.qualcomm.com/doc/80-70018-251/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/80-70018-251/topic/references.html#ls-hs-connectors [DIP switches](https://docs.qualcomm.com/doc/80-70018-251/topic/references.html#dip-switches) Shows the DIP switch location and description of functionality. https://docs.qualcomm.com/doc/80-70018-251/topic/references.html#dip-switches [Custom camera sensor](https://docs.qualcomm.com/doc/80-70018-251/topic/references.html#custom-camera-sensor) Connect a custom camera sensor with the RB3 Gen 2 device. https://docs.qualcomm.com/doc/80-70018-251/topic/references.html#custom-camera-sensor [Reference designs and related documents](https://docs.qualcomm.com/doc/80-70018-251/topic/references.html#rel-docs) Find reference designs, schematics, and documents. https://docs.qualcomm.com/doc/80-70018-251/topic/references.html#rel-docs [Acronyms and terms](https://docs.qualcomm.com/doc/80-70018-251/topic/references.html#acronyms-and-terms) List of acronyms and terms used in this document. https://docs.qualcomm.com/doc/80-70018-251/topic/references.html#acronyms-and-terms Last Published: Jan 09, 2026 [Next Topic Introduction](https://docs.qualcomm.com/bundle/publicresource/80-70018-251/topics/introduction.md)