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MeshCoreTel-firmware/docs/local-builds.md
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# Build Locally With uv
This repo uses `uv` for Python tooling and runs PlatformIO through `uv run`.
This page is for building from source. If you just want firmware to flash, start with [Download and Flash Releases](./releases.md) instead.
## Setup
From the repo root:
```bash
uv sync
```
## Useful Commands
List build targets:
```bash
bash build.sh list
```
Plain PlatformIO build for a single target:
```bash
uv run pio run -e heltec_v4_repeater_mqtt
uv run pio run -e heltec_v4_companion_radio_wifi
```
Flash a target:
```bash
uv run pio run -e heltec_v4_repeater_mqtt -t upload --upload-port /dev/tty.usbmodemXXXX
```
Serial monitor:
```bash
uv run pio device monitor --port /dev/tty.usbmodemXXXX --baud 115200
```
## Release-Style Local Builds
If you want the same version metadata used by the release workflows, export the version variables first.
Companion WiFi:
```bash
export FIRMWARE_VERSION=v1.14.1
bash build.sh build-firmware heltec_v4_companion_radio_wifi
```
Repeater MQTT:
```bash
export FIRMWARE_VERSION=v1.14.1
export EASTMESH_VERSION=v1.0.1
bash build.sh build-firmware heltec_v4_repeater_mqtt
```
This produces versioned artifacts in `out/`.
## Supported `repeater_mqtt` Boards
These are the full PlatformIO env names used for local source builds and release artifact naming.
```text
Generic_E22_sx1262_repeater_mqtt
Generic_E22_sx1268_repeater_mqtt
Heltec_E213_repeater_mqtt
Heltec_E290_repeater_mqtt
Heltec_T190_repeater_mqtt
heltec_tracker_v2_repeater_mqtt
Heltec_v2_repeater_mqtt
Heltec_v3_repeater_mqtt
heltec_v4_repeater_mqtt
heltec_v4_tft_repeater_mqtt
Heltec_Wireless_Paper_repeater_mqtt
Heltec_Wireless_Tracker_repeater_mqtt
Heltec_WSL3_repeater_mqtt
LilyGo_T3S3_sx1262_repeater_mqtt
LilyGo_T3S3_sx1276_repeater_mqtt
LilyGo_TBeam_1W_repeater_mqtt
LilyGo_TDeck_repeater_mqtt
LilyGo_Tlora_C6_repeater_mqtt
M5Stack_Unit_C6L_repeater_mqtt
Meshadventurer_sx1262_repeater_mqtt
Meshadventurer_sx1268_repeater_mqtt
Meshimi_repeater_mqtt
nibble_screen_connect_repeater_mqtt
RAK_3112_repeater_mqtt
Station_G2_logging_repeater_mqtt
Station_G2_repeater_mqtt
T_Beam_S3_Supreme_SX1262_repeater_mqtt
Tbeam_SX1262_repeater_mqtt
Tbeam_SX1276_repeater_mqtt
WHY2025_badge_repeater_mqtt
Xiao_C6_repeater_mqtt
Xiao_S3_WIO_repeater_mqtt
```
## Supported `companion_radio_wifi` Boards
These are the full PlatformIO env names used for local source builds and release artifact naming.
```text
heltec_tracker_v2_companion_radio_wifi
Heltec_v2_companion_radio_wifi
Heltec_v3_companion_radio_wifi
heltec_v4_companion_radio_wifi
heltec_v4_tft_companion_radio_wifi
Heltec_WSL3_companion_radio_wifi
LilyGo_TBeam_1W_companion_radio_wifi
LilyGo_TLora_V2_1_1_6_companion_radio_wifi
nibble_screen_connect_companion_radio_wifi
RAK_3112_companion_radio_wifi
Station_G2_companion_radio_wifi
T_Beam_S3_Supreme_SX1262_companion_radio_wifi
ThinkNode_M2_companion_radio_wifi
ThinkNode_M5_companion_radio_wifi
Xiao_S3_WIO_companion_radio_wifi
```
## Companion WiFi CLI
Current companion WiFi builds support persisted WiFi rescue commands:
- open a serial monitor at `115200` baud
- reboot the device
- long-press the user button within the first 8 seconds after boot to enter `CLI Rescue`
- wait for `========= CLI Rescue =========`
- then run the WiFi rescue commands below from the serial monitor
```text
get wifi.status
get wifi.ssid
get wifi.powersaving
set wifi.ssid <ssid>
set wifi.pwd <password>
set wifi.powersaving none|min|max
```