Libre Computer Project

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Libre Computer Project
Founded atShenzhen, Guangdong Province, China
Headquarters634, Tian Hui Building #B, You Song Lu, Long Hua District, Shenzhen 511700
Location
FieldsComputer science
Websitelibre.computer

The Libre Computer Project is an effort initiated[when?] by Shenzhen Libre Technology Co., Ltd., with the goal of producing standards-compliant single-board computers (SBC) and upstream software stack to power them.

Hardware

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Libre Computer Project uses crowd-funding on Indiegogo and Kickstarter to market their SBC designs. The delivery and after-sales support was poor resulting in lots of complaints and dissatisfied funders.[1][2]

Active Libre Computer SBC designs include:

ROC-RK3328-CC (Renegade)

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The ROC-RK3328-CC "Renegade" board was funded on Indiegogo[3] and features the following specifications:[4]

AML-S905X-CC (Le Potato)

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The AML-S905X-CC "Le Potato" board was funded on Kickstarter on 24 July 2017[5] and features the following specifications:[6]

  • Amlogic S905X SoC
    • 4 ARM Cortex-A53 @ 1.512GHz
      • Cryptography Extension
    • 2G + 3P ARM Mali-450 @ 750MHz
      • OpenGL ES 1.1 / 2.0
      • OpenVG 1.1
    • Amlogic Video Engine 10
      • Decoders
        • VP9 P2 4K60
        • H.265 MP10@L5.1 4K60
        • H.264 HP@L5.1 4K30
        • JPEG / MJPEG
      • Encoders
        • H.264 1080P60
        • JPEG
  • Up to 2GB DDR3 SDRAM
  • 4 USB 2.0 Type A
  • 100 Mb Fast Ethernet
  • 3.5mm TRRS AV Jack
  • HDMI 2.0
  • MicroUSB Power In
  • MicroSD card Slot
  • eMMC Interface
  • IR Receiver
  • U-Boot Button
  • 40 Pin Low Speed Header (PWM, I2C, SPI, GPIO)
  • Audio Headers (I2S, ADC, SPDIF)
  • UART Header

NOTE: GPIO Header Pin 11 or HDMI CEC is selectable by onboard jumper. They can not be used at the same time since they share the same pad.

ALL-H3-CC (Tritium)

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The "Tritium" board was funded on Kickstarter on 13 January 2018[7] with the following specifications:[8]

Variant ALL-H3-CC H2+ 512MB IoT ALL-H3-CC H3 1GB ALL-H3-CC H5 2GB
CPU 4 ARM Cortex-A7 4 ARM Cortex-A7 4 ARM Cortex-A53 Crypto
GPU 1G + 2P ARM Mali-400

OpenGL ES 1.1 / 2.0 OpenVG 1.1

1G + 2P ARM Mali-400

OpenGL ES 1.1 / 2.0 OpenVG 1.1

2G + 4P ARM Mali-450

OpenGL ES 1.1 / 2.0 OpenVG 1.1

VPU Allwinner Display Engine 2.0

Decoders

  • VP8 1080P60
  • H.265 4K30/1080P60
  • H.264 1080P60
  • JPEG / MJPEG 1080P30

Encoders

  • H.264 1080P30
RAM 512MB DDR3-1600 (1333MHz Effective) 1GB DDR3-1600 (1333MHz Effective) 2GB DDR3-1600 (1333MHz Effective)
USB 4 USB 2.0 Type A
Network 100 Mb Fast Ethernet
Video Out HDMI 1.4 (1080P) HDCP 1.2

3.5mm TRRS AV Jack

HDMI 1.4 (4K30) HDCP 1.2

3.5mm TRRS AV Jack

Storage MicroSD card slot

eMMC 4.x Interface

IR Receive
Other U-Boot Button

40 Pin Low Speed Header (PWM, I2C, SPI, GPIO) UART Header

Recommended Use Optimized Compute Intensive

IoT Edge Applications

Cost-Centric Open Embedded

Development Platform

Advanced 64-bit

Development Platform

Software

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Operating systems

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Name Focus Kernel UserSpace ROC-RK3328-CC AML-S905X-CC ALL-H3-CC
Ubuntu Desktop/Server Linux GNU/Debian Yes[9] Yes[10] Yes[11]
Armbian Desktop/Server Linux GNU/Debian Yes Yes[12] Yes
Kali Linux Penetration testing Linux GNU/Debian No No No
Volumio Audio web server Linux GNU/Debian No No No
Retropie[13] Gaming Linux GNU/Debian No Yes No
Happi[14] Gaming Linux GNU/Debian No No No
Android Mobile/HTPC Linux Android Yes Yes[15] Yes[16]
LibreELEC HTPC Linux Kodi No Yes[17] No
Arch Linux Desktop/Server Linux GNU/Arch No No No
Rune Audio[18] Audio web server Linux GNU/Arch No No No
Lakka Gaming Linux GNU/Arch No Yes[19] No
Fedora Desktop/Server Linux GNU/Fedora No No No
Void Linux Desktop/Server Linux GNU No No No
NetBSD Desktop/Server BSD BSD No No No
Genode[20] OS Framework base-hw Genode No No No
Batocera Linux Gaming Linux GNU/Arch No No No

Open source

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Software

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Libre Computer is focused on upstream support in open-source software using standardized API interfaces. This includes Linux, u-boot, LibreELEC RetroArch, and more. A variety of open-source operating systems may be used on Libre Computer boards, including Linux and Android. Few to no binary blobs are used to boot and operate the boards.

Hardware

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Schematics and 2D silkscreen are available for all hardware. Design files are based on non-disclosure materials from SoC vendors.[21] CAD files are not available.[22]

See also

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References

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