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Sergio R. Caprile 2023-03-08 11:44:34 -03:00
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# A UART to network bridge for ESP32
This example is a demonstration of how Mongoose Library could be integrated
into an embedded device and provide a UART-to-Network bridge capability:
- A device opens listening TCP port and Websocket port and waits for connections
- When a client connects, data is exchanged with the device's UART
- Everything that client send, is sent to the UART
- Everything that is read from the UART, gets sent to the client
- Multiple clients are allowed
- Live UART console allows to talk to the UART from the web page
- Web UI is hardcoded into the binary and does not need a filesystem
# Screenshots
![](../../uart-bridge/screenshots/dashboard.png)
# Build and flash
- See detailed tutorial at https://mongoose.ws/tutorials/esp32/uart-bridge/
Build requires Docker installed, and uses Espressif's ESP-IDF docker image:
```sh
make build
make flash PORT=/dev/YOURSERIAL
```
# Flash pre-built firmware
## Flash pre-built firmware
You can flash a pre-built firmware to the ESP32 device using the following
instructions:

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# An example ESP8266 application
To build this application, follow these steps:
1. Make sure you have Docker installed
2. Clone whole mongoose repository on your machine:
```sh
git clone https://github.com/cesanta/mongoose.git
```
3. Start command line or terminal, and go into the example's directory:
```sh
cd mongoose/examples/esp8266
```
4. Run `make`. This invokes a Docker-based build. A firmware will be built
in the `src/build/` directory:
```sh
make build
```
5. Flash your ESP8266. If you have esptool.py installed, the build process will end telling you the command to flash your device. You can just run `make` again to use Docker:
```sh
make flash PORT=/your/serial
```
See detailed tutorial at https://mongoose.ws/tutorials/esp8266/http-client-server/