# MQTT Publisher

A simple Rust application that publishes messages to an MQTT broker.

## Dependencies

- tokio (with full features)
- rumqttc
- serde
- serde_json

## Usage

```bash
cargo run -- --broker 192.168.1.100 --port 1883
```

### Arguments

- `broker`: MQTT broker address (default: `localhost`)
- `port`: MQTT broker port (default: `1883`)

## Configuration

Edit `src/main.rs` to customize:
- Broker address (default: `localhost:1883`)
- MQTT topic (default: `test/topic`)
- Message payload

## Example

```rust
client.publish("your/topic", QoS::AtLeastOnce, false, b"Your message").await?;
```