Vivid Unit: a Versatile Single-Board Computer with Touchscreen

(4 customer reviews)


(  85.80GBP  /  106.23USD  /  145.06CAD  )

Vivid Unit is a versatile single-board computer with 5.5′ touchscreen.

86 in stock (more can be backordered)


Vivid Unit is a powerful and versatile single-board computer that can be used for a wide range of applications.

Vivid Unit features RK3399 CPU with 4GB RAM and 32GB eMMC storage. It is a palm-sized device with 5.5″ touch screen, speaker, microphone, WiFi/Bluetooth and various interfaces. It can be powered with DC 5V (via USB-C) or Ethernet cable (DC 48V via PoE).


  1. Speaker
  2. Microphone (on the back)
  3. USB 3 Connector 1
  4. USB 3 Connector 2
  5. Headphone Jack
  6. Microphone
  7. USB 2 Pin Header 1
  8. USB 2 Pin Header 2
  9. ADC Pin Header
  10. HDMI Connector
  11. MIPI CSI Camera Connector
  12. 40-Pin GPIO Header
  13. Power Button Connector
  1. Volume- Button Connector
  2. Volume+ Button Connector
  3. Volume+ Button
  4. Volume- Button
  5. RJ45 Ethernet Connector
  6. Power Button
  7. Power Indicator (Red LED)
  8. Activity Indicator (Green LED)
  9. USB Type C Conncetor
  10. USB Route Switch (for internal testing only)
  11. MASKROM Button
  12. M.2 NVME Connector
  13. RTC 3V Battery Connector

Vivid Unit can be used for a variety of projects, such as:

  • Smart home automation: Vivid Unit can be used to control lights, temperature, and other home appliances using various sensors and input devices.
  • Robotics: Vivid Unit’s GPIO and camera interface make it ideal for use in robotics projects, such as autonomous cars or robotic arms.
  • Industrial control systems: Vivid Unit is ideal for use in industrial control systems, and it can be mounted like a screen for the whole system, which the users can interact with.
  • Portable computing: Vivid Unit’s compact size and touch screen interface make it perfect for use as a portable computing device, such as a tablet or mini laptop.
  • Retro gaming: Vivid Unit’s high resolution screen, compact size and onboard speaker make it a perfect hardware as retro gaming console.

Whether you’re a hobbyist, a student, or a professional, Vivid Unit offers a powerful and flexible platform for your computing needs.

Package Content:

Each Vivid Unit package contains a fully assemblied device, which composed of:

  • Vivid Unit PCB x 1
  • Brace x 2
  • Touchscreen x 1
  • M3 screws x 4
  • M3 standoff x 4

Remarks: you don’t need to assemble anything, the device can be used out of box.

Technical Specification:

  • Processor and Memory
    • ARM CPU: RK3399 (Cortex-A72 Dual-core + Cortex-A53 Quad-core)
    • GPU: Mali-T860MP4
    • RAM: 4GB LPDDR4
    • Storage: 32GB eMMC
  • Connectivity
    • Ethernet x1 (RJ45 connector)
    • Wi-Fi (802.11b/g/n)
    • Bluetooth 4.1 (BLE)
  • Display and Touchscreen
    • Display: 5.5 inches, 1280×720 resolution
    • Touchscreen: Capacitive multi-touch
  • GPIO
    • 40-pin header with Raspberry Pi compatible pinout
    • SPI x 1
    • I2C x 2
    • UART x 1
    • SDIO x 1
  • USB Ports
    • USB 3.1 Gen1 x 2 (each has 5 Gbps bandwidth)
    • USB 2.0 x 2 (as pin headers)
    • USB type-C x1 (for power and flashing OS)
  • Audio
    • Microphone: Stereo microphone array
    • Speaker: Built-in speaker
    • Headphone jack: 3.5mm
  • Camera Interface
    • MIPI CSI x 1
  • Additional Interfaces
    • NVMe M.2 interface x 1
    • 10-bit ADC channels x 3 (via 4-pin header)
  • Power Supply
    • DC 5V (via USB type-C cable)
    • POE (DC 48V via RJ45 connector)
  • Power Consumption (5V)
    • Quiescent current (newly powered, or stay for a while after shutdown): < 15mA
    • Idle current (after boot up and display desktop): ~ 0.6A
    • Normal usage (e.g. watching Youtube fullscreen): 0.8 ~ 1.3A
    • Fully loaded (stress test with “s-tui” command): ~ 1.6A
  • Buttons
    • Power button x 1
    • Volume button x 2
  • Dimensions and Weight
    • Dimensions: 146mm x 78.2mm x 19mm
    • Weight: 175g


Open Source Hardware and Software

Vivid Unit is an open source product: its hardware and software are all open-sourced.

More information about Vivid Unit can be found on its dedicated, wiki-powered website:

Vivid Unit wiki website

There you can find Vivid Unit’s documentation, schematic, mechanical drawings, 3D models, software source code… and much more.

Additional information

Weight 0.22 kg
Dimensions 21 × 11 × 3 cm

4 reviews for Vivid Unit: a Versatile Single-Board Computer with Touchscreen

  1. Oliver Bennett

    Vivid unit is amazing! I have been searching for such a device for years, and it ticks all the boxes. The hardware quality is high and the software is intuitive, open source too!

  2. Benjamin Murphy

    Very well designed product. I have an ongoing smart home project and this little device is a perfect fit.

  3. Lila Reynolds

    This little adorable hardware is totally beyond my expectation: it has everything, no extension board is needed! Its native NVME interface is really a big plus.

  4. Dexter Rivera

    A fantastic SBC with screen, eMMC, PoE, M.2 connector all in one! It is worth every penny.

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