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CM5 LoRaWAN carrier board in a compact, feature-filled footprint

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piecol/CM5_MINIMA_REV1

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CM5_MINIMA_REV1

Compact, feature-filled, CM5 LoRaWAN carrier board

OSHWA:

This project is certified as open-source hardware under the UID: IT000019 https://certification.oshwa.org/it000019.html

Warning:

Board tested, everything works, except for the RAK3172 UART, which was moved from UART0_IR to UART2. It works with this change, schematics, layout and production files are corrected.

Proceed at your own risk.

PDF SCHEMATICS

## Peripherals:

  • USB-C PD (CM5 can negotiate power delivery!)
  • USB2.0
  • Gigabit Ethernet with cutout magjack for low profile
  • HDMI port
  • RAK3172 lorawan chip from RAKwireless
  • SHTC3 Sensirion temperature and humidity sensor
  • I2C connector (3V3 only)
  • Fan connector
  • Various status LEDs
  • Compact size 5.4 x 5.7 cm

Stackup:

4L (SIG:PWR | GND | GND | SIG:PWR) JLC0416H-3313 impedance stackup

If you would like to support me:

"Buy Me A Coffee"

PCB F SIDE B

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