Vivid Unit: a Versatile Single-Board Computer with Touchscreen

Description

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).

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: https://www.vividunit.com/

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

Project / Review:

Peter from Tech Explorations used Vivid Unit in his Flight Data Logger project, and he also made a video review for it.