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Add Muzi Base Uno and Base Duo board support#1746

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johngag wants to merge 2 commits intomeshcore-dev:mainfrom
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Add Muzi Base Uno and Base Duo board support#1746
johngag wants to merge 2 commits intomeshcore-dev:mainfrom
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@johngag
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@johngag johngag commented Feb 20, 2026

New variant for the Muzi Works Base Uno (nRFLR1262, SX1262) and Base Duo (nRFLR1121, LR1121) boards. Both share the same PCB with QWIIC I2C, QSPI flash, USB-C, and battery management. The Duo reuses the Uno board class and pin definitions, differing only in the radio driver (CustomLR1110 vs CustomSX1262).

Build environments per board:

  • repeater (headless), repeater_oled (with SSD1306 display)
  • companion_radio_usb, companion_radio_ble
  • room_server

New variant for the Muzi Works Base Uno (nRFLR1262, SX1262) and
Base Duo (nRFLR1121, LR1121) boards. Both share the same PCB with
QWIIC I2C, QSPI flash, USB-C, and battery management. The Duo
reuses the Uno board class and pin definitions, differing only in
the radio driver (CustomLR1110 vs CustomSX1262).

Build environments per board:
- repeater (headless), repeater_oled (with SSD1306 display)
- companion_radio_usb, companion_radio_ble
- room_server
@thetooth
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Thanks for this, testing on DUO hardware it appears as though radio is only able to transmit, it's completely deaf on 915Mhz band. Any ideas?

@johngag
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johngag commented Feb 21, 2026

Thanks for this, testing on DUO hardware it appears as though radio is only able to transmit, it's completely deaf on 915Mhz band. Any ideas?

hmm, to be honest I only have an UNO to test it out. I think I have an idea why the DUO is not working. Let me trying to put something together.

The LR1121 requires a DIO5/DIO6 RF switch table to switch between
TX and RX modes. Without it the radio can transmit but is deaf on
receive.
@johngag
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johngag commented Feb 21, 2026

@thetooth Ok, I posted a fix for you to try. Let me know

@thetooth
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Tested and no change. There are no entries in the RX log or any errors/messages in the device log when sending from another device. I tested a completely fresh one since the DUO I was using had been set to 2.4Ghz before and maybe it was stuck in that mode but that's not the case.

Looking at the noise floor value, it's -119dB and doesn't change so the RX is completely off, I'll play around with some things and report back if I can get it working.

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2 participants