Introduction: Why "Smart" Farming Needs a Stack
In modern agriculture, the gap between a drone’s sensors and a farmer’s smartphone can feel like a canyon. On one side, you have the Robot Operating System (ROS 2)—the powerhouse of robotics. On the other, you have high-level interfaces like Flutter.
The "Bridge" Node: Translating Data to Insights
The most critical part of this setup is the Bridge Node. This is a Python script running within the ROS 2 environment that "listens" to the drone's camera and "talks" to your backend.
Here is a simplified version of a Python node that subscribes to a camera topic and prepares the data for a cloud-based disease classifier:
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