https://docs.khadas.com/ 2026-04-09T17:30:30+00:00 https://docs.khadas.com/ https://docs.khadas.com/ttps://docs.khadas.com/lib/tpl/dokuwiki-new/images/favicon.ico text/html 2025-08-27T02:14:17+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/applications/add-ons?rev=1756275257&do=diff vim3 VIM3/3L Add-ons add-ons index text/html 2023-10-23T02:57:02+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/applications/armnn-tflite?rev=1698044222&do=diff VIM3/3L TFLite Delegate Khadas Edges and VIMs are powered by ARM Cortex-A CPUs and Mali GPUs. We can make use of the available computation power for running TFLite models using ArmNN Libraries by leveraging TFLite interpreter Delegate. The Delegate is provided by ARM as arm-software/armnn and the provided examples are made to make use of it. text/html 2025-01-09T20:06:17+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/applications/docker?rev=1736471177&do=diff vim3 docker VIM3/3L Docker Please check Get Docker CE for Ubuntu. text/html 2025-04-23T06:33:36+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/applications/e-paper?rev=1745404416&do=diff VIM3/3L e-Paper This guide provides instructions on setting up and using the Waveshare e-Paper 7.3-inch (epd_7in3e) display on Khadas VIM4, VIM3/3L, and VIM1S boards. It also includes information on the InkyPi repository for additional functionality. text/html 2025-05-19T21:40:38+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/applications/earc?rev=1747705238&do=diff VIM3L eARC Introduction eARC is a feature implemented in the latest HDMI 2.1 specification, This allows you to transmit high-quality audio from your TV to your Soundbar or AV receiver and is compatible with the high bitrate formats Dolby Atmos and DTS. text/html 2024-08-06T08:41:22+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/applications/ge2d?rev=1722948082&do=diff vim3 ge2d VIM3/3L GE2D Khadas VIMs provide a GE2D (Graphics Engine 2D) onboard for fast 2D graphics operations, such as cropping, resizing, rotating, etc. We can use the GE2D for image graphics processing. Follow the table for suitable runtime platform board text/html 2023-10-27T03:57:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/applications/gnss-4g?rev=1698393468&do=diff VIM3/3L GNSS on 4G Module Introduction This page will introduce the usage of the GPS/GNSS capabilities on 4G module (EM06_E). This includes how to enable the GNSS functions and get the raw satellite data from the module, And how to display the Positional data graphically. text/html 2023-10-27T03:58:06+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/applications/gnss-5g?rev=1698393486&do=diff VIM3/3L GNSS on 5G Module Introduction This page will introduce the usage of the GPS/GNSS capabilities on 5G module (RM500Q-GL). This includes how to enable the GNSS functions and get the raw satellite data from the module, And how to display the Positional data graphically. text/html 2022-07-13T23:32:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/applications/gsensor?rev=1657769569&do=diff VIM3/3L G-Sensor Introduction By referring to this page, you will know which node of G-Sensor is, and how to read the value of G-Sensor through C program. System Configuration Check G-sensor node. $ ll /dev/accel crw-rw-rw- 1 root root 10, 50 Mar 18 12:17 /dev/accel text/html 2023-11-03T02:17:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/applications/hardware-decoding?rev=1698992269&do=diff VIM3/3L Hardware Decoding System Configuration Please make sure you use the latest image, if not please follow Upgrade The System to upgrade your system. For Linux with 5.15 kernel Please check Hardware Decoding . For Linux with 4.9 kernel For Display Here is a demo about how to use the decoding library to decode and display video directly. It’s just a simplest demo, if you want to develop complex player you can refer the command line player text/html 2023-11-03T02:39:21+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/applications/hardware-encoding?rev=1698993561&do=diff VIM3/3L Hardware Encoding Introduction This document mainly introduces Hardware Encoding. You will learn how to use h264 encoding and h265 encoding. System Configuration Please make sure you use the latest image, if not please follow Upgrade The System to upgrade your system. text/html 2024-08-06T08:48:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/applications/ir?rev=1722948515&do=diff VIM3/3L IR remote This documentation is only used for Android. This document guides you to add IR input keys on Android. Hardware Configuration IR_IN (Infrared input signal) <-> GPIOAO_5 (Infrared input port) Android 9 software configuration 1. For VIM3, add the mapping from remote control code value to key value, enable remote control driver configuration in text/html 2025-04-23T21:04:19+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/applications/object-detection-demo-with-rtsp?rev=1745456659&do=diff VIM3/3L Object Detection with RTSP Streaming Overview This document describes how to compile and run the object detection demo with RTSP streaming on the Khadas VIM3 using its NPU (Neural Processing Unit). Prerequisites Before building the project, ensure your system is up to date and the required dependencies are installed: text/html 2023-12-26T03:08:59+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/applications/opencl?rev=1703578139&do=diff vim3 opencl VIM3/3L OpenCL Khadas Edges and VIMs are powered by ARM Mali GPUs. We can make use of the available processing power offered to accelerate computational tasks like physics simulations, audio processing, neural networks, etc. Fenix images are already bundled with the necessary OpenCL libraries to get started, we also provide some demos to make use of the GPU. text/html 2023-12-26T03:07:16+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/applications/opencv?rev=1703578036&do=diff vim3 opencv VIM3/3L OpenCV OpenCV is a popular open-source library for Computer Vision and Image processing Applications. Install OpenCV Install the libraries for C++ and Python $ sudo apt update $ sudo apt install libopencv-dev python3-opencv Get source code Clone the examples text/html 2023-11-03T04:22:30+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/applications/ppsspp?rev=1698999750&do=diff VIM3/3L PPSSPP System Configuration Please make sure you use the latest image, if not please follow Upgrade The System to upgrade your system. For Linux with 5.15 kernel Please check PPSSPP. For Linux with 4.9 kernel Install PPSSPP Package As PPSSPP depends on SDL2 Mali Library, so please follow text/html 2023-02-05T20:09:17+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/applications/qt5?rev=1675645757&do=diff vim3 vim3l qt5 VIM3/3L QT5 Introduction The default QT packages from Ubuntu official are built with OpenGL Desktop support, but for VIMs, there don’t have Mali GPU driver under X11, so you can’t use QT with GPU.In order to use QT with GPU (fbdev), we have rebuilt the QT packages with eglfs Mali GPU support. text/html 2025-02-17T21:27:32+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/applications/sdl2?rev=1739845652&do=diff VIM3/3L SDL2 Only apply to VIM3/3L with 4.9 kernel. Introduction This document is mainly SDL2 library. You will learn how to install the SDL2 library and do simple tests. he default SDL2 packages from Ubuntu official are built with OpenGL Desktop support, but for VIMs, there don’t have Mali GPU driver under X11, so you can’t use SDL2 with GPU.In order to use SDL2 with GPU (fbdev), we have rebuilt the packages with Mali GPU support. text/html 2025-05-14T21:41:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/applications/secureboot?rev=1747273316&do=diff VIM3/3L Secureboot Introduction The default image compiled by Fenix for Ubuntu/Debian does not support Secureboot. For ordinary users, Secureboot functionality is not necessary. Enabling Secureboot means that the board can only flash image signed with the same key, it won't be possible to flash any other unsigned image or image signed with a different key anymore. text/html 2022-09-28T08:59:40+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/applications/start?rev=1664369980&do=diff VIM3/3L Application Note applications index text/html 2023-10-20T23:56:17+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/applications/vulkan?rev=1697860577&do=diff VIM3/3L Vulkan on Wayland VIM3 VIM3L VIM4 VIM1S with Ubuntu 22.04/24.04 Gnome Desktop and Wayland with 5.15 kernel supports Vulkan, you can follow this documentation to test Vulkan. Only for VIM3/3L/4/1S with 5.15 kernel with Ubuntu 22.04/24.04 Gnome Desktop and Wayland. text/html 2022-07-13T23:34:17+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/applications/watchdog?rev=1657769657&do=diff VIM3/3L Watchdog Introduction This page introduces the internal Watchdog. You will learn how to enable the watchdog and test it. Enable Internal Watchdog Watchdog is disabled by default, use the commands below to enable it. sudo ln -s /lib/systemd/system/watchdog.service /etc/systemd/system/multi-user.target.wants/watchdog.service sudo systemctl enable watchdog.service sudo systemctl start watchdog.service text/html 2025-08-04T22:37:27+00:00 Anonymous (anonymous@undisclosed.example.com) https://docs.khadas.com/products/sbc/vim3/applications/wifi-sta-ap-mode?rev=1754361447&do=diff VIM3/3L Wi-Fi STA/AP Mode Overview This guide explains how to configure dual Wi-Fi mode using the provided script (v1.0), enabling simultaneous operation in: STA+AP Mode: wlan0 as STA (connects to existing Wi-Fi) + wlan1 as AP (creates hotspot) ETH+AP Mode: