MeshCore T-Beam 1W · Releases

from GitHub · updated 2026-06-21

5 releases

v1.15.0 # 1 month ago · 2026-05-07 23:36 UTC

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Changelog - T-Beam 1W Firmware

All notable changes to the MeshCore T-Beam 1W firmware will be documented in this file.

[1.15.0] - 2026-05-07

Updated
- Merged upstream MeshCore v1.15.0 from meshcore-dev/MeshCore
- Rebuilt and verified all T-Beam 1W SX1262 target variants:
  - T_Beam_1W_SX1262_companion_radio_ble
  - T_Beam_1W_SX1262_companion_radio_usb
  - T_Beam_1W_SX1262_repeater
  - T_Beam_1W_SX1262_room_server
- Generated new merged firmware artifacts:
  - T-Beam-1W-CompanionBLE-v1.15.0-merged.bin
  - T-Beam-1W-CompanionUSB-v1.15.0-merged.bin
  - T-Beam-1W-Repeater-v1.15.0-merged.bin
  - T-Beam-1W-RoomServer-v1.15.0-merged.bin
Upstream Changes (v1.14.1 → v1.15.0)
- Default Scope support
- New GROUP_DATA binary packet support
- Radio rxgain now enabled by default
- Radio frequency range extended down to 150 MHz
- New get|set dutycycle CLI command
- WiFi companion fixes for Heltec V4 and T-Beam 1W
- nRF companion OTA update support
- Additional sensor, board support, and stability fixes
T-Beam 1W Specific Changes
- Added SX126X_REGISTER_PATCH=1 for a more stable SX1262 noise floor
- Added USE_SX1262 to the shared T-Beam 1W SX1262 build flags
- Added T_Beam_1W_SX1262_companion_radio_usb build target
- Switched from min_spiffs.csv to default_16MB.csv to use the full 16MB flash
- Fixed boards/t_beam_1w.json to use the generic Arduino esp32s3 variant so all SX1262 targets build correctly
- Preserved and integrated T-Beam 1W fan control support in all three runtime loops:
  - Companion
  - Repeater
  - Room Server
- Updated the fan thermostat to use MCU temperature with hysteresis:
  - Fan turns ON at 45°C
  - Fan turns OFF below 41°C
  - Minimum runtime remains 5s
Technical Details (T-Beam 1W Specific)
- Flash Mode: DIO (Dual I/O)
- Flash Size: 16MB
- Flash Frequency: 80MHz
- Chip: ESP32-S3
- Board: LilyGo T-Beam 1W with SX1262 LoRa radio
v1.14.1 # 3 months ago · 2026-03-29 21:31 UTC

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[1.14.1] - 2026-03-29

Updated
- Merged upstream MeshCore v1.14.1 from meshcore-dev/MeshCore
- Rebuilt all T-Beam 1W target variants:
  - T-Beam-1W-CompanionBLE-v1.14.1-merged.bin
  - T-Beam-1W-Repeater-v1.14.1-merged.bin
  - T-Beam-1W-RoomServer-v1.14.1-merged.bin
Upstream Changes (v1.14.0 → v1.14.1)
- Repeater and Room Server: flood advert timer now uses path_hash_mode pref
- MCU temperature added to telemetry responses from room servers
- Remote LNA support
- Various bug fixes and documentation updates
- Updated webflasher references to v1.14.1
v1.14 # 4 months ago · 2026-03-07 18:25 UTC

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Changelog - T-Beam 1W Firmware

All notable changes to the MeshCore T-Beam 1W firmware will be documented in this file.

[1.14.0] - 2026-03-07

Added
- Updated firmware base to MeshCore v1.14.0 (upstream merge from meshcore-dev/MeshCore)
- New v1.14.0 merged firmware artifacts for T-Beam 1W:
  - T-Beam-1W-CompanionBLE-v1.14.0-merged.bin
  - T-Beam-1W-Repeater-v1.14.0-merged.bin
  - T-Beam-1W-RoomServer-v1.14.0-merged.bin
Changed
- Updated webflasher packaging/version references from v1.13.0 to v1.14.0:
  - create_webflasher_bins.sh
  - webflasher/manifest.json
  - webflasher/flash-windows.bat
  - webflasher/flash-windows.ps1
- Rebuilt all T-Beam 1W target variants on top of MeshCore v1.14.0
Fixed
- Resolved upstream merge conflict in EnvironmentSensorManager.cpp while preserving expected GPS loop behavior
- Re-generated merged binaries with required components/offsets for direct flashing:
  - bootloader @ 0x0000
  - partitions @ 0x8000
  - boot_app0 @ 0xE000
  - firmware @ 0x10000
Technical Details (T-Beam 1W Specific)
- Flash Mode: DIO (Dual I/O)
- Flash Size: 4MB
- Flash Frequency: 80MHz
- Chip: ESP32-S3
- Board: LilyGo T-Beam 1W with SX1262 LoRa radio
v1.13.0 # 4 months ago · 2026-02-17 17:06 UTC

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[1.13.0] - 2026-02-17

Added
- Repeater CLI Commands: Remote management via CLI
  - reboot - Restart the device
  - advert - View advertise settings
  - set af - Set auto-forward mode
  - set name - Set device name
  - set lat / set lon - Set GPS coordinates
  - password - Change admin password
  - ver - Display firmware version
- Room Server Enhancements
  - Persistent preferences (loads/saves settings)
  - Same CLI commands as repeater for remote management
  - Timeout detection for push posts (evicts clients after 3 timeouts)
  - TXT_TYPE_SIGNED_PLAIN for outbound messages
- Companion Radio Features
  - Anonymous request support (CMD_SEND_ANON_REQ)
  - Auto-add configuration commands (CMD_SET_AUTOADD_CONFIG, CMD_GET_AUTOADD_CONFIG)
  - Allowed repeat frequency query (CMD_GET_ALLOWED_REPEAT_FREQ)
  - Granular auto-add contact type filtering
- ESP32 Features
  - ESP32RTCClock for repeater (keeps time across reboots)
- Temperature-Based Fan Control (T-Beam 1W)
  - Smart fan activation based on NTC thermistor readings (GPIO 14)
  - Fan turns ON when temperature exceeds 37°C
  - Fan turns OFF when temperature drops below 35°C (hysteresis prevents oscillation)
  - Replaces always-on fan behavior with intelligent thermal management
  - Uses Steinhart-Hart equation for accurate temperature calculation
Fixed
- CAD (Channel Activity Detection) detection fixed
- Duplicate message IDs in repeater CLI view
- Room server crash fixes
- hasName() method missing return statement
- BaseChatMesh compilation issues for various targets
- RAK terminal chat fixes
Changed
- Mesh packet optimization: Don't retransmit packets already handled by this node
- Refactored advertise data methods to AdvertDataHelper.cpp
- TxtDataHelpers.h with standard TXT sub-types
- Repeater debug diagnostics improvements
- Build configuration now supports ADVERT_NAME, ADVERT_LAT, ADVERT_LON defines
Technical Details (T-Beam 1W Specific)
- Flash Mode: DIO (Dual I/O)
- Flash Size: 4MB
- Flash Frequency: 80MHz
- Chip: ESP32-S3
- Board: LilyGo T-Beam 1W with SX1262 LoRa radio
Webflasher Binaries

All binaries include:
- Bootloader at 0x0000
- Partition table at 0x8000
- boot_app0.bin at 0xe000 (required for boot)
- Application firmware at 0x10000
Note: Official MeshCore webflasher currently flashes at wrong offset. Use esptool directly:
```
python -m esptool --chip esp32s3 --port COM5 --baud 460800 write_flash 0x0 T-Beam-1W-CompanionBLE-v1.13.0.bin
```
Or use the provided Windows scripts: flash-windows.bat or flash-windows.ps1
v1.12.0 # 5 months ago · 2026-01-31 03:11 UTC

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IMAGES NOW FLASH WITH OFFICIAL MESHCORE WEBFLASHER. PRESS RESET ON DEVICE AFTER THE FLASHING PROCESS.

All Features Working:
1. GPS Communication ✅ ◦ Fixed TX/RX pin swap (GPIO 5/6) ◦ NMEA sentences received ◦ L76K GPS working (needs outdoor placement for satellite fix)
2. Battery Monitoring ✅ ◦ GPIO 4 ADC reading (per Meshtastic config) ◦ ADC multiplier 2.9333 ◦ Real-time voltage ◦ Updates dynamically in app
3. Radio & PA ✅ ◦ TX power limited to 22 dBm (safe for 1W PA) ◦ PA ramp time 800µs ◦ Fan control (5s after TX)
4. MeshCore v1.12.0 ✅ ◦ All virtual methods implemented ◦ USB CDC serial debug enabled ◦ 2S Li-ion battery support (6.0-8.4V)

MeshCore T-Beam 1W · Releases

Changelog - T-Beam 1W Firmware

[1.15.0] - 2026-05-07

Updated

Upstream Changes (v1.14.1 → v1.15.0)

T-Beam 1W Specific Changes

Technical Details (T-Beam 1W Specific)

[1.14.1] - 2026-03-29

Updated

Upstream Changes (v1.14.0 → v1.14.1)

Changelog - T-Beam 1W Firmware

[1.14.0] - 2026-03-07

Added

Changed

Fixed

Technical Details (T-Beam 1W Specific)

[1.13.0] - 2026-02-17

Added

Fixed

Changed

Technical Details (T-Beam 1W Specific)

Webflasher Binaries