Week 2 Wrap-Up: What Does the Value Prove?

Use your Sensor Evidence Notebook. Respond in 75–125 words or record an equivalent one-minute recording.

Use at least two exact artifact labels, such as frontRangeMeters, sensor_msgs/msg/Range, range, insideDeclaredRange, or obstacleTooClose.

1. What did the evidence show? Describe one Java representation and one ROS 2 message fact.
2. What changed or became clearer? Explain why a valid numeric interval check is not the same as a safe motion decision.
3. What remains uncertain? Name one fact about the real sensor or Java-to-ROS data path that the notebook does not establish.