Smart Sensor Trash Can Smart Switch DIY Material Kit
Note: The can's color is in randam.
Specification:
Product name: Smart Trash
Applicable grades: grades 3-6
Product material: environmentally friendly 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.
Package includes:
1 x Smart Trash Kit
Smart Sensor Trash Can Smart Switch DIY Material KitSee detail
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