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)

Images

Status

• 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