Rtl8821cu raspberry pi Oct 8, 2019 · [ -d /usr/src/rtl8821cu-5. 3 I can edit the MakeFile /home/pi but not the one down in src. 14 kernel (which was hard due to the constant crashing) and built 4. These include all of DrSchottky's and llamasoft's commits (see the v1. 11a/b/g/n/ac MAC/Baseband/RF WLAN and Bluetooth Baseband/RF single chip. I went through the information here: https://wiki. I have a USB dingle with the RTL8811CU but can't get it working. 11ac NIC RaspBerry Pi 4B / Raspbian Buster Make fail: Error! Bad return status for module build on kernel: 4. May 31, 2018 · From what I've seen this driver doesn't support VHT modes so disabling it doesn't do anything bad. What can I do to compile on Fedora 33 aarch64 raspberry pi 3B+? [pi@localhost rtl8821CU]$ sudo cp /lib/ Raspberry Pi successfully used TPLINK WDN5200H network card (chip rtl8821cu), Programmer Sought, the best programmer technical posts sharing site. linux raspberry-pi usb debian ubuntu wifi linux-mint kali-linux linux-driver realtek rtl8811cu rtl8821cu 8821cu 8811cu 8731au Updated on Oct 9 C May 29, 2023 · I have been looking to buy a USB Wifi using this chip, it works with Linux (Raspberry Pi OS), but not with Android. Jul 24, 2020 · Both of our dual-band WiFi adapters use the RTL881cu driver, and here's how you can get them working on a Raspberry Pi 4 (also works with the Raspberry Pi 3 - we tested it!). x - DX4GREY/rtl8821cu 1 day ago · 2025-05-19 - Owen-sz <owen@fyralabs. Dec 31, 2022 · I had to switch from 64-bit kernel to 32-bit to get it built under my 'Not Quite Raspberry Pi OS Bookworm' on my Pi 4B but it appears to have worked, so I expect it will when the real deal arrives which is more good news. 11ac NIC 'lsusb -v -d 0bda:c820' includes idVendor 0x0bda Realtek Semiconductor Corp. Is there anything I can do to use the dongle with Armbian? My dongle is "USB WiFi In case it helps, I have successfully used brektrou/rtl8821CU on a Raspberry Pi 3 B with Raspberry OS, kernel 5. Sep 18, 2024 · Code: Select all pi@raspberrypi:~ $ uname -r 6. Dec 23, 2024 · But, on a Raspberry Pi 4, 'lsusb' reports them as Bus 001 Device 008: ID 0bda:c820 Realtek Semiconductor Corp. Contribute to n0ss/realtek-rtl88xxau-dkms development by creating an account on GitHub. 19. I added ifeq for Raspberry Pi platform so that this flag isn't set and the driver will work both on soft float and hard float os versions. I am releasing v1. Do you generated these manually or does a request for download auto trigger an update? Thanks in advance Oct 21, 2012 · I have a Raspberry v1 armv6l Anybody got AC5L rtl8821cu working? I am running the issues with it finding kernel sources (in am following different tutorials to compile form source). 6. (Code, 4 lines) Is this… Apr 9, 2020 · Any news here? I want to use a raspberry pi 4B as a travelmate. com> - Build shared libraries 2024-12-17 - sadlerm <sad_lerm@hotmail. Change Raspberry Pi To build this driver on Raspberry Pi you need to set correct platform in Makefile. 4 Aug 14, 2023 · Thanks @morrownr, seems like I messed up the image myself, possibly by apt full-upgrade. log. 215+2022-04-09-8c2226a7-1_arm_arm1176jzf-s_vfp. pdf), Text File (. May 27, 2017 · Hi, I have a COMFAST cf-wu910a USB dongle with the chipset 8821CU, this is a WIfi + Bluetooth dongle which at the beginning is recognized like a USB storage which includes the Windows Drivers on a . 11bg device is not active" Linux Driver for USB WiFi Adapters that are based on the RTL8811CU, RTL8821CU, RTL8821CUH and RTL8731AU Chipsets - v4. What OS are you using and which version of gcc? Jun 23, 2021 · Hi. 2 - morrownr/8821au-20210708 RTL8821CU/RTL8821CU-CG is a chip used for wireless communication, specifically for Wi-Fi. rpm for CentOS 10, RHEL 10, Rocky Linux 10, AlmaLinux 10 from Terra repository. 8. Raspberry Pi To build this driver on Raspberry Pi you need to set correct platform in Makefile. IEEE 802. Code compiles and works well for x86_64 on Fedora 29/30 but it fails on ARM (Raspberry Pi 2): Jan 12, 2023 · odroid3 = Odroid WiFi Module 3 odriod5 - Odroid WiFi Module 5 rpi0w = Raspberry Pi Zero W rpi4b = Raspberry Pi 4B rtl8188cus = No Brand RTL8188CUS rtl8188ftv = No Brand RTL8188FTV rtl8822bu = No Brand RTL8822BU rtl8821cu = No brand RTL8821CU wl167g = ASUS WL-167g (Ralink) The following have "mesh point" support so are the best if you can get them: Aug 12, 2020 · RPI3, Realtek USB wifi-dongle driver problem? Wed Aug 12, 2020 12:34 pm Jun 2, 2021 · Trying to install driver for the dual band Wifi USB adapter fails. 11b/g/n/ac (1T1R) USB WLANAnd BT Module: BL-M8821CU1 is the module designed by a highly integrated IEEE802. 12. Der Dongle wird, soweit ich das einschätzen kann, beim starten korrekt erkannt. e95a44c-1. Change Oct 30, 2022 · The RTL USB wifi with Realtek RTL8811CU/8821CU does not work despite i've installed the driver kmod-rtl8821cu_5. com Jun 20, 2019 · I found the kernel 4. 3) Note the WiFi dongle lists as 0BDA:C811 which checks to the 8821cu driver. txt) or read online for free. 1, which I tested multiple times on my pi zero 2W (and worked every time). Oct 13, 2023 · I tried installing the lwfinger/rtw88 driver on a Raspberry Pi 4B, running Raspberry Pi OS bookworm. It shows only "generic 802. 31+rpt-rpi-v8 pi@raspberrypi:~ $ lsusb|grep TP-Link Bus 001 Device 003: ID 2357:0120 TP-Link Archer T2U PLUS [RTL8821AU] pi@raspberrypi:~ $ lsmod|grep 88XX 88XXau 2277376 0 cfg80211 995328 2 brcmfmac,88XXau pi@raspberrypi:~ $ iwconfig wlan1 wlan1 IEEE 802. Hi Dear, In Raspberry pi 4. However, I'm struggling to configure it. 51. I have compiled drivers for it in Raspbian ( https://github. Therefore I need a second network adapter / radio to connect to a Hotspot and the internal to serve as an access point. I didn't realize at the time that it requires an out-of-tree driver — oops. How to Setup a RTL881cu USB WiFi Adapter With the Raspberry Pi 4 - Free download as PDF File (. So years ago I bought this Cudy USB Wifi Adapter from Amazon and just tried installing the driver from a post on Github here Installed RaspAP on the… May 30, 2017 · I have recently purchased an Edimax EW7811UTC AC WiFi adapter for use with my Raspberry Pi 3b running Raspbian Jessie with Pixel desktop. It works smoothly with Orange Pi's Ubuntu and Debian distros. So my problem is my limited knowledge as to open and edit the protected MakeFile. It is very easy to exceed this 1200 mA limit. 802. 11ac standard, which provides high-speed wireless connectivity for transferring data, streaming multimedia content, and Feb 22, 2020 · 1 Like oofnik April 17, 2020, 6:42pm 3 Update: Just merged the Raspberry Pi branch to master. Wi-Fi bandwidth maxes out around 30 Mbps. 0GHz) processor, featuring 16GB onboard storage and integrated RTL8821CU Wi-Fi & Bluetooth 4. com> - Split into individual subpackages and no longer package raspinfo 2024-11-18 - Owen-sz <owen@fyralabs. x86_64. Sep 16, 2021 · linux raspberry-pi usb debian ubuntu wifi linux-mint kali-linux linux-driver realtek rtl8811cu rtl8821cu 8821cu 8811cu 8731au Readme View license Activity Note: If your system is powered by an ARM or ARM64 based Raspberry Pi, then one of the following scripts should be executed: Option for the following listed operating systems to be installed to Raspberry Pi hardware 1 day ago · A command line utility that can get various pieces of information from the VideoCore GPU on the Raspberry Pi. Can anyone advise the best way, please? There are a couple of points that have been asked for, previously, below. RTL8812AU / RTL8821AU and RTL8814AU drivers. 0 This specific driver has a configuration file, not all drivers need additional configuration Aug 13, 2016 · Where “/home/jmc31337/pi/” was the directory where git clone was ran 3) For compiling the same driver on the pi for the pi this site worked to get the proper kernel and tools: Aug 16, 2022 · This works on pi zero 2 w, with fresh bullseye image (2/7/2023); the only header-related problem I had was when I tried building after the full-upgrade but before rebooting (headers did not match old still-running kernel). 4. 442 GHz Access Point: Not Jun 21, 2019 · I found the kernel 4. This could make a great travel router. 70-v7+ it works fine , can you give the fix for 4. RTL8811CU Driver for Raspbian. banana-pi. idProduct 0xc820 bcdDevice 2. 4 - pengrui-rio/8821cu Oct 30, 2020 · Got ARM v7 variant of driver to work on Debian Buster 10 (Raspberry Pi OS) with RealTek 0bda:c811 Device. 4GHZ USB WiFi Adapter with Antenna (Chipset rtl8821cu) Realtek RTL8811CU/RTL8821CU USB Wi-Fi adapter driver for Linux (Modified for Raspbian) - x-magic/rtl8821cu-raspbian Jun 10, 2025 · Tested on Raspberry Pi images Sometimes the integrated Wi-Fi chip embedded on a Raspberry Pi SBC isn't powerful enough for a sustainable connection, or its performance can be severely diminished by a case, in particular with metallic cases. Kind regards. 0 without any obvious problems. There was a chip shortage during the pandemic that has resulted in increased Raspberry Pi prices. 11ac NIC lsmod shows the device modules Module Size Used by rtw88_8821cu 12288 0 rtw88_8821c 94208 1 rtw88_8821cu rtw88_usb 24576 1 rtw88_8821cu rtw88_core 360448 2 rtw88_8821c,rtw88_usb ifconfig -a shows the device as Jun 20, 2019 · I found the kernel 4. Oct 16, 2021 · Quick question, are there drivers for the rtl8821cu wireless adapter? I'm surprised by how good the hardware support for FreeBSD is and I'm wondering if drivers exist for this. 114 kernel from source on the pi and it seems stable again. el10. I see it is based on the realtek chipset as shown in dmesg 158816. ipk for a Raspberry PI. Has anyone found a fix? Raspberry Pi To build this driver on Raspberry Pi you need to set correct platform in Makefile. Mar 27, 2020 · The text was updated successfully, but these errors were encountered: Feb 12, 2020 · So I bought a new USB wifi adapter (realtek chipset), build the needed rtl8821cu driver but it fails too: Using interface wlan1 with hwaddr 02 cd:ef:12:30 and ssid "my-secured-ssid" Jul 4, 2024 · I have an old Raspberry Pi B (rev 2, discontinued) that I'm setting up as a headless piCorePlayer. Realtek rtl8821cu drivers with support for Raspberry PI and onboard dongle LED - FancyPixel/rtl8821cu Jun 20, 2019 · I found the kernel 4. 10 (kernel 5. Change 1 day ago · rpi-utils-pinctrl - A more powerful replacement for raspi-gpio, a tool for displaying and modifying the GPIO and pin muxing state of a system, bypassing the kernel The device is supported by the following additional drivers: brektrou/rtl8821CU smp79/rtl8821CU whitebatman2/rtl8821CU Linux Driver for USB WiFi Adapters that are based on the RTL8811CU, RTL8821CU, RTL8821CUH and RTL8731AU Chipsets - v5. This is WELL BELOW the specification which calls for 2800 mA in a setup such as on the RasPi4B. Did anyone manage to compile a driver package that works on OpenWRT yet? Apr 15, 2021 · Banana Pi Wifi&BT 4. Anyone know how could I get them working? I will appreciate your help. Change Mar 6, 2015 · Pi rev number is : 900093 (Pi 0 v1. 2 onboard16G Cortex-A55 (2. 5. 04 (kernel 5. 97-v7l+ (armv7l) #48 I don't own Raspberry Pi 3, but from what I've read on internet the problem is not with the module, but you are using wrong version of gcc. x up to 5. 1. Salvaging this thread, I have a RTL8821CU wireless adapter and would like to use it to connect it to OpenWrt ( Raspberry Pi Zero ). It is produced by Realtek Semiconductor Corporation and is commonly used in various types of wireless devices, such as laptops, smartphones, and Wi-Fi dongles. Mar 3, 2021 · Hi all, I'm attempting to use a faster WiFi USB dongle with my Pi. I no longer have an issue with bettercap being blind. 118, 5. I just need to insert the dongle into USB 3 to work. Mar 26, 2024 · Linux Driver for USB WiFi / Realtek / RTL8811CU / RTL8821CU / RTL8821CUH / RTL8731AU / Access Point / RaspAP / 80211 Realtek rtl8821cu drivers with support for Raspberry PI and onboard dongle LED - Releases · FancyPixel/rtl8821cu edited Loading Hello, I'm manually trying to compile this driver on raspberry pi 3 but I get this error: Raspberry Pi To build this driver on Raspberry Pi you need to set correct platform in Makefile. 0xxGHz) Banana Pi M2 Pro Product overview Banana Pi BPI-M2 Pro (Model: BPI-M2-Pro) is a high-performance development board powered by the Amlogic S905X3 quad-core Cortex-A55 (2. In an attempt to make this driver work well on many Linux distros, other distros, including the Arch based Manjaro is used for testing. I haven't tried the driver with kernel versions 4. Oct 16, 2024 · Linux Driver for USB WiFi Adapters that are based on the RTL8811CU, RTL8821CU and RTL8731AU Chipsets - liujt14/8821cu-20241016 linux raspberry-pi usb debian ubuntu wifi linux-mint kali-linux linux-driver realtek rtl8811cu rtl8821cu 8821cu 8811cu 8731au Updated 2 weeks ago C Nov 21, 2018 · Any chance to add rtl8821cu?,libreelec recognize as pendrive I found this GitHub - whitebatman2/rtl8821CU: Realtek 802. MrEngman Raspberry Pi To build this driver on Raspberry Pi you need to set correct platform in Makefile. Oct 31, 2022 · How to Install a Wifi Adapter Driver on AML-S905X-CC (Le Potato) If you're a developer, you might be familiar with Raspberry Pi. 50-rt22-v7+ to be extremely unstable and crashy on my Raspberry Pi 3B+. Realtek rtl8821cu drivers with support for Raspberry PI and onboard dongle LED - xlandgroup/rtl8821cu-1 Apr 14, 1998 · I see an rtl8821CU folder under /home/pi and another rtl8821CU in /usr/src/rtl8821CU-5. Set the ARM (32 bit) configuration, then followed steps for DKMS build. Tested on a RPi Zero W with a USB Ethernet dongle. Jul 8, 2021 · Linux Driver for USB WiFi Adapters that are based on the RTL8811AU and RTL8821AU Chipsets - v5. Contribute to fastoe/RTL8811CU_for_Raspbian development by creating an account on GitHub. Yes, it's Pi 4B and the newer kernel seems necessary to get the VideoCore VI chipset working. This has been working fine for about a year, and only started failing now. Mar 10, 2024 · Hallo zusammen, folgendes setup raspberry pi zero mit 5G Wlan dongle (rtl8821CU), OS ist bullseye (moode audio Derivat). 0. 385007] u Note: If your system is powered by an ARM or ARM64 based Raspberry Pi, then one of the following scripts should be executed: Option for the following listed operating systems to be installed to Raspberry Pi hardware airdrummingfool commented Sep 16, 2020 In case it helps, I have successfully used brektrou/rtl8821CU on a Raspberry Pi 3 B with Raspberry OS, kernel 5. 1 for Linux 4. 9. 04 desktop (kernel 6. 71-v7+ , wifi ap is not working ,it is not switching in master mode , so not able to create wifi AP , but in 4. But it does not work with Armbian. It's replacing a Squeezebox Touch that died recently. Raspberry Pi Imager Raspberry Pi Imager is the quick and easy way to install Raspberry Pi OS and other operating systems to a microSD card, ready to use with your Raspberry Pi. Interestingly after reboot, if I ru 1 day ago · Download rpi-utils-vcmailbox-0:20251128. 2 for seamless wireless connectivity Sep 16, 2021 · After a recent apt upgrade the wifi adapter no longer gets an IP address after reboot. 0 WiFi dongle that works on my Kubuntu 24. 4) Download Locations for Tested Linux Distributions Arch Linux Linux Mint Manjaro Raspberry Pi OS Ubuntu Tested Hardware Cudy WU700 AC650 High Gain USB WiFi Adapter Raspberry Pi To build this driver on Raspberry Pi you need to set correct platform in Makefile. x Before build this driver make sure make, gcc, linux-header / kernel-devel, bc and git have been installed. 8) Ubuntu 20. The dongle is connected on my RBPI 3B+, the driver is not included on my Raspbian Stretch with desktop, Version: November 2018, Release date:2018-11-13, Kernel version:4. This driver is primarily tested on Debian based distros such as Ubuntu, Raspberry Pi OS and Kali. 0 release notes) as well as the following improvements: Updated to oldstable 2022-09-22 Buster (lite) (2022-09-22-raspios-buster-armhf-lite) 1ae386e Updated golang to 1. I have bought this external usb wifi antenna for my raspberry pi 3B+ that I would like to use instead the default one. BTW: I installed "usb-modeswitch" and ran "usbmode" on the command line, as this dongle was in "Mass Storage device" mode at first. Nov 16, 2021 · This is on a Raspberry Pi 4. With this version you wouldn't probably be able to build any kernel module for your kernel at all. Probably not the best way to let you know but since I grabbed your instructions from here others may be interested. conf" properly. Now I would like to know how I can configure "8821cu. This chip supports the 802. 1 (kernel 5. (Raspberry Pi leadership has a history of making bad hardware decisions) Another problem with the Raspberry Pi 4B USB subsystem is that it is designed to supply a maximum of 1200 mA of power. 11b ESSID:"" Nickname:"<WIFI@REALTEK>" Mode:Monitor Frequency:2. exe but any Linux drivers. Mar 7, 2022 · I followed the instructions on this page: https://github. I found the kernel 4. I rolled back to the original Pi OS with 6. Appreciate the help! Aug 28, 2022 · Hello, I have some RTL8822BU and RTL8821CU USB devices that want to use with OpenWRT, but I can not find the way to get they working. 11ac USB WLAN driver [URL:https://github. 2 expansion Board, standard USB interface, so support all open source boards via USB port. org/Getting_Started_with_M5/M2Pro#Android_DTB_overlay And accordingly, I understand that, with Android, it will need to configure DTB Overlays again to receive USB Wifi. This driver is primarily tested on Debian based distros such as Linux Mint, Ubuntu, Raspberry Pi OS and Kali. Below are the commands ran after cloning the github repository, and the contents of make. xx so can't guarantee it will work, but I have had it working on newer kernels 4. 21-v8+ kernel and compiled 8821cu just fine following your description. This WiFi dongle uses the rtl8812au chipset and the driver Realtek RTL8811CU/RTL8821CU USB wifi adapter driver version 5. Change Jan 14, 2021 · Raspberry Pi: Building drivers for rtl8811CU/rtl8821CU (3 Solutions!!) Roel Van de Paar 185K subscribers 4 Feb 25, 2025 · I have a USB 3. May 17, 2023 · Hello there im Using a Raspberry Pi and trying to make a hotspot using the latest dietpi armv7 but my usb wifi adaptor with (RTL8811cu) cannot be found,probably there are not drivers i search the i I found the kernel 4. 10. I try to install kmod-rtl8xxxu package, but it doesn't work. I can confirm the driver works fine on Raspi 4 with a PiHUT Raspberry Pi Dual-Band 5GHz/2. 0 ] && rm -rf /usr/src/rtl8821cu-5. I reverted it to 4. I already have LMS running separately, so I'm just making standalone player I got a WiFi USB dongle (store link). 0-53-generic) lsusb shows Bus 001 Device 010: ID 0bda:c811 Realtek Semiconductor Corp. com/whitebatman2/rtl8821CU ) and have the adapter working, so Linux support is available and tested. 2. Change Mar 12, 2023 · Linux Realtek rtl8811cu rtl8821cu rtl8831au 8821cu Wifi Usb Raspberry Pi linux-driver linux-mint Ubuntu Debian DISCONTINUED Suggest alternative Edit details Dec 28, 2020 · 尽管Raspberry Pi 4具有内置的双频WiFi，但是需要放到金属车体上，无法引出天线，所以需要一个网卡，在WIFI网卡中RTL8811cu是一款带5G的无线网卡，这款网卡有些缺点就是驱动需要编译安装，需要折腾（5G的USB网卡基本不免驱）。 本文使用RTL8811CU网 Dec 18, 2023 · I am using Wifi/BT USB dongle to connect network for Orange Pi 5. 4) Ubuntu 18. Download and install Raspberry Pi Imager on a computer with an SD card reader. Manjaro 20. com/morrownr/8821cu-20210118 and I was able to compile the driver for rtl8821cu. 14. . But you might not know about the Libre Computer AML-S905X-CC – also called Le Potato. The build dependencies are easy to install there, with familiar apt commands. 79 and 5. 9) Raspberry Pi OS (2021-01-11) (ARM 32 bit) (kernel 5. Sep 16, 2021 · linux raspberry-pi usb debian ubuntu wifi linux-mint kali-linux linux-driver realtek rtl8811cu rtl8821cu 8821cu 8811cu 8731au Readme View license Activity Linux support for RTL8821CU based products Compatibility information Support status: Jun 8, 2018 · Hi, I've added the 8821cu wifi driver to my install-wifi script so if you try installing the wifi driver for your AC600 wifi adapter again it should now work and install the driver you need. com> - Package Raspberry Pi Utils May 9, 2020 · How to Install RTL8811CU USB WiFi Dongle on Linux by Alan Pfahler on May 9, 2020 Banana Pi BPI-M2 Pro Amlogic S905x3 chip RTL8821CU WiFi&BT 4. 4) Ubuntu 20. The source for the driver is from github/whitebaman2 but fails on the make due to a redefinition of the struct sha256_state. 00 iManufacturer 1 Realtek iProduct 2 802. xzpae nblos sfcys efgr ammza sql jmkgnlp fxpqnukl eswfdyt fruyc knfze jnvg patrf trvir ttr