Nebra: Difference between revisions

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i2c: port 0x60 is in use - ECC608 crypto module? (according to chatgpt) - it is on the riser board with the USB dongles for wifi/bt. there's software for it at https://github.com/wirenboard/atecc-util
i2c: port 0x60 is in use - ECC608 crypto module? (according to chatgpt) - it is on the riser board with the USB dongles for wifi/bt. there's software for it at https://github.com/helium/gateway-mfr-rs/blob/4c8f7b4b9c488099afd67b32c5951c5049e11a81/README.md
<nowiki>./gateway_mfr --device ecc://i2c-1:96?slot=0 key | grep name</nowiki>


[[File:Nebara003.jpg]]
[[File:Nebara003.jpg]]

Revision as of 09:21, 22 January 2026

Nebara

These are helium miners. As helium is no longer a thing, they can be nicely repurposed.

datasheets


Nebara001.jpg

In the inside you'll find a raspberry pi(!), a wifi- and a bluetooth dongle.

  • Pi CM3 Lite compute module, with 32GB(?) eMMC module in microSD slot
  • power supply from PoE or "9-16V DC @ 15W" barrel jack
  • lorawan module (useless for meshcore afaik), with ipex/U.FL plug for outdoor antenna
  • BT and wifi modules on internal usb hub
  • Ethernet port on mainboard (with PoE support)
  • 3 minipcie slots (once the lorawan module is removed) - one wired for USB, two for SPI. The USB-wired one also has a SIM card slot.

Nebara002.jpg

Unfortunately the annotations for WiFi and BT are swapped on the following image:

Nebara002b.jpg

The SD-card can be mounted on a regular linux system:

/dev/sdc: PTUUID="3f8c4da3" PTTYPE="dos"
/dev/sdc1: LABEL="resin-boot"  UUID="BDEF-F06B" VERSION="FAT32" FSSIZE="41943040" TYPE="vfat" PART_ENTRY_UUID="3f8c4da3-01"
/dev/sdc2: LABEL="resin-rootA" UUID="ba1eadef-9f28-4afc-8b1f-e9b0cc009317" TYPE="ext4"
/dev/sdc3: LABEL="resin-rootB" UUID="ba1eadef-823d-44c2-b070-63a55737ba15" TYPE="ext4"
/dev/sdc4: PTTYPE="dos" PART_ENTRY_SCHEME="dos" PART_ENTRY_UUID="3f8c4da3-04"
/dev/sdc5: LABEL="resin-state" UUID="ba1eadef-0a27-457f-bfb3-e7d59a84118e" TYPE="ext4"
/dev/sdc6: LABEL="resin-data"  UUID="ba1eadef-64bb-4826-8f92-6ad5195b2d0e" TYPE="ext4"

i2c: port 0x60 is in use - ECC608 crypto module? (according to chatgpt) - it is on the riser board with the USB dongles for wifi/bt. there's software for it at https://github.com/helium/gateway-mfr-rs/blob/4c8f7b4b9c488099afd67b32c5951c5049e11a81/README.md

./gateway_mfr --device ecc://i2c-1:96?slot=0 key | grep name

Nebara003.jpg

Under the USB hub riser board:

Nebra004.jpg