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This is a copy of the community maintained fork of the open firmware which powers RNode devices. This version will have support for the hardware made by Mees Electronics.
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RNode_Firmware_CE/CHANGELOG.md

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Changelog

For the changed made by Mees Electronics.

All notable changes to this project will be documented in this file.

Added     : for new features.
Changed   : for changes in existing functionality.
Deprecated: for soon-to-be removed features.
Removed   : for now removed features.
Fixed     : for any bug fixes.
Security  : in case of vulnerabilities.

2025-03-30

Fixed

Both SX1278 and SX1268 modules are now working.

Changed

Pinout changed to make room for RXEN pin of E22 module.

pin GPIO
NSS 10
MOSI 11
SCK 12
MISO 13
RST 14
DIO 15
BUSY 16
RXEN 17
RX LED 18
TX LED 33

2025-03-10

Changed

Renamed BOARD_WAVESHARE_ESP32_S3_PICO to MEES_ESP32_S3 in source code. Also renamed firmware-waveshare-esp32-s3-pico to firmware-mees-esp32-s3, upload-waveshare-esp32-s3-pico to upload-mees-esp32-s3 and release-waveshare-esp32-s3-pico to release-mees-esp32-s3. This way it is obvious the firmware works for all generic ESP32 S3 boards.

Added

Two BOARD_VARIANTs: 0xF1 for SX1278 and 0xF2 for SX1268. Can be chosen during compile time.

2025-03-03

Final pinout of LoRa module defined. Should work on most ESP32-S3 development boards.

pin GPIO
NSS 10
MOSI 11
SCK 12
MISO 13
RST 14
DIO 15
BUSY 16
RX LED 17
TX LED 18

2025-02-28

Started all over again. This time I succeeded! The Waveshare ESP32 S3 Pico and the Ra-02 SX1278 LoRa transceiver are working as a proper rnode. It took me some time, but now I am happy. See Documentation/HOWTO-change-firmware-and-compile-it_MeesElectronics.md for more information about adding a new board to the code.

Pinout Ra-02:

pin GPIO
NSS 39
MOSI 37
MISO 36
SCK 38
RST 40
DIO 35

But pinout can easily be mapped to other pins.

2025-02-24

Added new board (Waveshare ESP32-S3 Pico) to source code.

Pinout Ra-02 LoRa transceiver:

pin GPIO
NSS 10
MOSI 11
MISO 13
SCK 12
RST 14
DIO 15

Can compile the source (with "make firmware-waveshare-esp32-s3-pico") and upload the program to ESP32 (with "make upload-waveshare-esp32-s3-pico"). According to the oscilloscope the SPI bus works. Reticulum still gives errors: "TX power mismatch" and "Radio state mismatch". RGB LED works, so Reticulum seems to communicate with the rnode.

[1.74] - 2025-02-17

Version from https://github.com/liberatedsystems/RNode_Firmware_CE