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52c0db David Marsh 2026-04-17 00:11:57
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# Linux
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b33fbf David Marsh 2026-04-17 01:05:03
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## Update your OS
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e921be David Marsh 2026-04-17 00:24:16
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First, update your OS
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52c0db David Marsh 2026-04-17 00:11:57
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```
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sudo apt update
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sudo apt upgrade
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```
e921be David Marsh 2026-04-17 00:24:16
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b33fbf David Marsh 2026-04-17 01:05:03
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## Access to USB Serial
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72069a David Marsh 2026-04-17 01:00:29
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Add your user to the dialout group, change `$USER` to your user name. This allows your user to access the USB serial device.
e921be David Marsh 2026-04-17 00:24:16
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```
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sudo usermod -a -G dialout $USER
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```
686c59 David Marsh 2026-04-17 01:05:45
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a367b3 David Marsh 2026-04-22 12:24:24
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You'll need to logout and back in again.
ee4d9c David Marsh 2026-04-20 03:28:56
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## Flash the companion
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243f38 David Marsh 2026-04-22 12:26:02
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> [!NOTE]
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> If you've already flashed your companion with the MeshCore firmware you can skip this step.
15c48d David Marsh 2026-04-22 11:55:42
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a367b3 David Marsh 2026-04-22 12:24:24
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> [!IMPORTANT]
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> Make sure you flash with "Companion USB" not "Companion Bluetooth"
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15c48d David Marsh 2026-04-22 11:55:42
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TODO
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## Install needed software
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Install pipx then meshcore-cli
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```
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sudo apt install pipx
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pipx install meshcore-cli
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```
a367b3 David Marsh 2026-04-22 12:24:24
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Logout and back in again.
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## Find the USB device
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```
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meshcli -l
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```
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Output probably looks like this, you'll want to use the USB one:
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```
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BLE devices:
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No BLE HW
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Serial ports:
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/dev/ttyS0 n/a [n/a]
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/dev/ttyUSB0 CP2102 USB to UART Bridge Controller - CP2102 USB to UART Bridge Controller [USB VID:PID=10C4:EA60 SER=0001 LOCATION=1-1]
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```
e188ea David Marsh 2026-04-22 13:26:30
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## Configure node
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```
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set radio 915.800,250,11,5
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set name "🦷 dave test"
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```