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1. Draw a music sheet near the tree. | 1. Draw a music sheet near the tree. | ||
2. The leaves from tree fall on the | 2. The leaves from tree fall on the music sheet. (The leaves become one note) | ||
3. The ultrasonic sensor measures the location where the leaves have fallen (the distance between the ultrasonic sensor and the leaves). | 3. The ultrasonic sensor measures the location where the leaves have fallen (the distance between the ultrasonic sensor and the leaves). | ||