ไทย
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1. Diy ถังขยะอัจฉริยะของเล่นวิทยาศาสตร์ของเล่นเสริมการเรียนรู้เด็ก
Shopee วันที่และค่าจัดส่งจะแสดงที่จุดชำระเงิน
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Product name: Smart Trash Applicable grades: above 7 Product material: wood Difficulty: Moderate difficulty, exercise children's hands-on ability working principle The smart trash bin that detects whether there is anyone in front of it by ultrasonic waves and automatically triggers the servo action, calculates the distance between the trash can and the person (or object) in front of it by the time difference between the ultrasonic wave transmission and reception. When a person in front is detected, the servo action cover is opened, and when the person leaves, the cover is closed. Note: The can's color is randam. Package includes: 1 x Smart Trash Kit 1 x Specification NoBrand