Project NorthStar Standalone

Goal : Create a motherboard for North Star Project allowing standalone operation, positional tracking and 5G

Repo link

Specification of Standalone Board for NorthStar :

  • Based on SOM-RK3399 from friendlyarm
  • Soc RK3399 6 core
  • Ram 2GB
  • Rom 16GB emmc
  • Wifi a/b/g/n/ac
  • Bluetooth 4.1
  • 2x USB3.0
  • 1x USB2.0
  • MPCIE (USB2.0 + PCIE + I2C) with sim holder, can be used for additional storage or 4G/5G module
  • SD Card holder+ Debug UART (UART2_DBG)
  • Support 2x H381DLN01.0 Display (1080 x 1200 90hz Amoled display)
  • RTC
  • WARNING no current limiter, 5 Volt 5 A shared between all USB2.0, USB3.0 and MPCIE port
  • GPIO Header with UART4, 3.3V, 5V, I2C3, GPIO1_C2, GPIO1_C6, GPIO1_C7, GPIO1_D0
  • PWR_IN Header with
    • Batt(7-17V), +12V, I2C1, GPIO1_A1, GPIO1_A3 - expect a power supply module that can be :
      • directly 12 V (Connect Both +Batt and +12V to 12V and ignore other pins)
      • USB C with FUSB302 IC
      • Battery (need a BMS, regulator and ina219 as fuel gauge)




  • Component research
  • Component documentation and reference design
  • PCB designed
  • BOM
  • Push repo in public
  • Get feedback from the community
  • PCB Review
  • Make power module
  • Design and 3D Print a casing
  • Write more doc
  • Board bring up
  • Copyrights © 2019-2020 Yohann Belair
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