https://docs.khadas.com/ 2026-05-16T22:21:37+00:00 https://docs.khadas.com/ https://docs.khadas.com/ttps://docs.khadas.com/lib/tpl/dokuwiki-new/images/favicon.ico text/html 2023-01-10T20:34:28+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/5g-module-usage?rev=1673400868&do=diff VIM3 RM500Q 5G NR Module Introduction This page will introduce the usage of RM500Q 5G NR module.You will learn how to use the 5G module on Khadas SBC. AT command node is /dev/ttyUSB2. Preparation * Disconnect the Khadas SBC power port cable. * Insert the 5G module board into the text/html 2022-07-13T23:03:37+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/auto-login?rev=1657767817&do=diff VIM3/3L Auto Login Introduction This document mainly introduces automatic login under Ubuntu. Desktop OS Edit file /usr/share/lightdm/lightdm.conf.d/50-greeter-wrapper.conf to add the configuration below: [SeatDefaults] greeter-session=lightdm-gtk-greeter autologin-user=khadas text/html 2022-07-13T23:03:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/bluetooth?rev=1657767836&do=diff VIM3/3L Bluetooth Linux Bluetooth configure examples for Ubuntu Desktop and Server variants Ubuntu Desktop Bluetooth settings are in the upper-right corner, click it and select Device. [gnome-bluetooth1] Click Search to scan for Bluetooth devices nearby. [gnome-bluetooth2] Select the device that you want to pair with. text/html 2024-12-18T22:31:29+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/bootup-app_keep-alive-app-settings?rev=1734579089&do=diff VIM3/3L Android Bootup App And Keep Alive App Settings Bootup App The bootup app function allows us to set a specific app to open automatically after turning on the device. You can find this option by following the steps below. Droid Settings→More settings→Device Preferences→Bootup app Setting. text/html 2024-12-18T22:20:08+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/camera-settings?rev=1734578408&do=diff VIM3/3L Android Camera Settings Our system uses the MIPI as the front camera and the USB as the rear camera for imaging by default. This is because our MIPI wiring is already properly arranged. However, due to different definitions when using USB cameras, various USB camera products may have different configurations for front and rear cameras, as well as image rotation. We have now added an option in the settings to adjust the rotation angle of the front and rear cameras and the USB camera. Spe… text/html 2024-08-06T05:34:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/change-boot-animation?rev=1722936874&do=diff VIM3/3L Android change boot animation Android boot animation is composed of a series of PNG pictures that act as frames of a continuous animation. Each PNG frame is saved in a compressed format. The boot animation file name is bootanimation.zip, the format is text/html 2022-07-13T23:04:23+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/change-boot-logo?rev=1657767863&do=diff VIM3/3L Change Boot Logo Introduction This document explains how to change the boot logo. It is divided into two parts: the first part covers the Ubuntu platform, and the second part covers the Android platform. Linux The official Khadas Ubuntu image displays three logos during system boot: text/html 2025-04-23T23:54:46+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/chromium-widevine-support?rev=1745466886&do=diff VIM3/3L Enabling Netflix support in Chromium The Chromium version shipped in Fenix Ubuntu version 1.7.4+ supports playing DRM protected videos on websites like Netflix and Prime Video by installing Widevine CDM library. You can follow this documentation to install the same. text/html 2022-09-07T03:03:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/cooling-fan?rev=1662534200&do=diff VIM3/3L Cooling Fan Cooling Fan Introduction This page introduces the Cooling Fan. The first section describes how to control the fan on Ubuntu, and the second section describes how to control it on Android. Ubuntu This setting is only applicable to 4.9, 5.15, 5.4, and 6.1 linux kernel text/html 2024-12-18T22:14:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/device-tree-overlay?rev=1734578075&do=diff VIM3/3L Device Tree Overlay We can use DT overlays to enable/disable or change configuration for peripherals without recompiling the DT kernel source code. DT collections <https://github.com/khadas/khadas-linux-kernel-dt-overlays> Device reference table Kernel Version DT overlays folder text/html 2022-09-07T02:33:51+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/em06-lte-4g-module?rev=1662532431&do=diff VIM3/3L EM06 LTE 4G Module Introduction This page mainly introduces how to use the EM06 LTE module from three parts. The first part is about how to query the support list of the LTE module, the second is some related operations under Ubuntu, and the third is some related operations under Android. text/html 2024-11-30T03:25:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/enable-panfrost?rev=1732955156&do=diff VIM3/3L Enable Panfrost For Ubuntu 24.04 only. The default release images for VIM4/3/3L/1S with 5.15 kernel and Edge2 with 6.1 kernel are shipped with close source code of Mali GPU userspace drivers, this documentation will guide you to enable the open source GPU driver of text/html 2024-07-03T02:53:03+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/firewall?rev=1719989583&do=diff VIM3/3L Firewall Introduction This document guides you to setup a simple network firewall with UFW Uncomplicated Firewall on your Khadas SBC. Preparation 1. Open the kernel modules configuration file $ sudo vi /etc/modules-load.d/modules.conf text/html 2022-07-13T23:10:14+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/hdmi-resolution?rev=1657768214&do=diff VIM3/3L Setup HDMI Resolution Introduction This document mainly introduces the HDMI resolution setting method. You will learn how to set HDMI resolution. VIM1/VIM2/VIM3/VIM3L: Only for Linux 4.9 image, mainline kernel image can use a more common way! text/html 2024-01-30T21:12:37+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/os08a10-mipi-camera?rev=1706667157&do=diff VIM3/3L OS08A10 MIPI Camera Introduction This document mainly introduces OS08A10 MIPI Camera. The first part of the document describes how to connect. The second part introduces how to use it under Ubuntu. The third part introduces how to use it under Android. Hardware Connection text/html 2024-12-18T22:24:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/pin-multiple?rev=1734578688&do=diff VIM3/3L Android Pin Multiple When implementing a certain input and output that requires GPIO, we found relatively few GPIOs available on the 40-pin or 16-pin connector. To this end, we removed the pins' original functions and enabled GPIO control. In this way, any pins that are not required can be fully utilized to expand more GPIOs. text/html 2024-09-18T06:50:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/remote-access?rev=1726656635&do=diff VIM3/3L Remote access Access a remote terminal with SSH SSH (Secure SHell) provides secure access to a terminal session on your board. You can access the terminal of a board remotely from another computer on the same network using the Secure SHell (SSH) protocol. text/html 2024-12-18T22:15:01+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/remote-settings?rev=1734578101&do=diff VIM3/3L Android Remote Settings The VIM has an infrared feature that is not available on other Edge series models. Previously, it could only be used with the remote control produced by Khadas. Now, to enhance expandability, we have added the option to customize remote control settings, allowing any remote control that can receive infrared signals to be used with the VIM. text/html 2023-11-07T06:05:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/rsdb?rev=1699355157&do=diff VIM3/3L RSDB Wi-Fi Introduction This document is mainly about RSDB Wi-Fi (Real Simultaneous Dual Band) which allows you to connect to 2.4G and 5G wifi bands on a network simultaneously. The first part of the document covers how to use RSDB Wi-Fi under Ubuntu Desktop and the second part covers how to use it in Ubuntu Server. text/html 2025-10-13T06:04:46+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/start?rev=1760349886&do=diff vim3:3l VIM3/3L Configuration Note Basic * VIM3/3L Device Tree Overlay * VIM3/3L User Config * VIM3/3L Auto Login * VIM3/3L Remote access * VIM3/3L Change Boot Logo * VIM3/3L Android change boot animation * VIM3/3L Android Remote Settings * VIM3/3L Android Camera Settings * VIM3/3L Android Pin Multiple * VIM3/3L Android Bootup App And Keep Alive App Settings * VIM3/3L RSDB Wi-Fi * VIM3/3L Wi-Fi Share * VIM3/3L Bluetooth * VIM3/3L Setup HDMI Resolution * VIM3/3L… text/html 2022-11-08T20:22:57+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/ts050-touchscreen?rev=1667956977&do=diff VIM3/3L TS050 Touchscreen Introduction This document mainly introduces the connection and usage of TS050. Hardware Connection [vim3-ts050-front] [vim3-ts050] Ubuntu Rotate TS050 is portrait mode by default, here is a guide to rotate the screen to landscape mode. These configurations will also effect the text/html 2022-07-13T23:10:24+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/upgrade-linux-kernel?rev=1657768224&do=diff VIM3/3L Upgrade Linux Kernel Introduction This documentation will introduce how to upgrade Linux Kernel manually. Upgrade Copy the kernel, dtb and header debian packages to the board and install them directly. The Linux debian packages as below: text/html 2022-07-13T23:10:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/upgrade-linux-uboot?rev=1657768234&do=diff VIM3/3L Upgrade Linux U-Boot Introduction This documentation will introduce how to upgrade U-Boot manually. Upgrade Copy the U-Boot debian package to your board and install it directly. The U-Boot debian package is linux-u-boot-vim3-vendor_xxxx-2015.01_arm64.deb text/html 2022-07-13T23:13:58+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/upgrade-system?rev=1657768438&do=diff VIM3/3L Upgrade System Introduction This page leads you to upgrade Ubuntu system to the latest version. This guide only applies to officially released Ubuntu images, check here for official images. Upgrade sudo apt update sudo apt full-upgrade sudo do-fenix-full-upgrade sync sudo reboot text/html 2025-08-13T03:55:19+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/usb-gadget?rev=1755071719&do=diff VIM3/3L USB Gadget Introduction This document mainly introduces USB gadget. You will learn how to configure and enable USB gadget Usage. From version 1.7.5, USB gadget is enabled by default, no need any setup, you can just skip the overlay and service setup. text/html 2024-08-06T08:56:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/usb-pcie-switch?rev=1722949008&do=diff VIM3/3L USB3/PCIe Switch Khadas VIM3 contains a 2:1 data switch chipset to switch the “combo interface” between PCIe and USB 3.0, and the default mode is USB 3.0. Switch port mode using KBI You need to setup the serial debug tool and enter the u-boot command line. text/html 2023-11-07T05:53:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/user-config?rev=1699354393&do=diff VIM3/3L User Config The configuration file is only for Ubuntu system with Linux 4.9 and 5.15 kernel. Introduction This documentation will introduce how to use the configuration file of the Ubuntu system. With kernel 4.9, env.txt is located in the text/html 2025-10-13T06:05:06+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/wi-fi-country-code-configuration-guide?rev=1760349906&do=diff VIM3 Wi-Fi Country Code Configuration Guide Wi-Fi country code configuration guide Introduction By default, the Wi-Fi module's Country Code is set to 00 (global). Wi-Fi channels and transmit power levels are regulated differently in each country. To ensure proper functionality and legal compliance when using the device in a specific country, you must set the Country Code to match your location. text/html 2024-07-04T04:16:13+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/wifi-share?rev=1720080973&do=diff VIM3/3L Wi-Fi Share Introduction This document guides you to share the Wi-Fi connection via the LAN port. Ubuntu Desktop 1. Open nm-connection-editor $ nm-connection-editor 2. Click on the + button to add a new connection 3. Select Ethernet and click on the text/html 2022-09-23T23:30:54+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/configurations/wol?rev=1663990254&do=diff VIM3/3L WOL (Wake-On-Lan) Introduction This document mainly introduces WOL. You will learn how to enable WOL and wake up through WOL. The first part of the document describes the usage under Ubuntu, and the second part describes the usage under Android.