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Rover-1Lv 1.1
💬“Time-of-Flight Sonar: The Speed of Sound: An ultrasonic rangefinder (such as an HC-SR04) emits an ultrasound burst at 40 kHz. The pulse travels through the air at roughly 343 meters per second (at 20°C), strikes an obstacle, and bounces back to the receiver. By measuring the elapsed time between trigger and echo (Δt), the onboard microprocessor computes distance: d = (v_sound * Δt) / 2.”
📡40m LiDAR Scan✨Kalman Filter Fused🎛️PID ±0.02° Stability✓ 0/11 Done
🦇🎯 Mission BriefingAct 1 • Stage 1.1 • +120 XP
Time-of-Flight Sonar: The Speed of Sound
An ultrasonic rangefinder (such as an HC-SR04) emits an ultrasound burst at 40 kHz. The pulse travels through the air at roughly 343 meters per second (at 20°C), strikes an obstacle, and bounces back to the receiver. By measuring the elapsed time between trigger and echo (Δt), the onboard microprocessor computes distance: d = (v_sound * Δt) / 2.
🌟 Starting Stage (1.1)