Bit-Tree Creativity - Intelligent Disinfection Trash Can Course Package

Intelligent Disinfection Trash Can Course Package

The intelligent disinfection trash can uses an ultrasonic sensor to detect the distance of hands to open and close the lid. The UV lamp will automatically turn on for disinfection after garbage disposal and lid closure. Learners can acquire knowledge including multi-condition judgment, loop statements and data types through programming practice.

Ultrasonic induction for automatic opening and closing of the trash can lid.

Automatic ultraviolet sterilization after the lid is closed.

Master programming logic knowledge through hands-on practice.

BIT-TREE CREATIVITY

STEAM skills like programming will be a core competency for the next generation, and the time to cultivate this ability is now.

Classification	Sub-item	Detailed Parameters
Basic Product Information	Full Product Name	Intelligent Disinfection Trash Can Course Package
	Manufacturer	BIT-TREE CREATIVITY (Integrated Supplier of Programming Kits, Science Exhibits & Courses)
	Product Size	Housing dimension: 154mm (L) × 115mm (W) × 102mm (H), universal housing specification for password box in the same series
Hardware Configuration	Sensing Component	HC-SR04 Ultrasonic Distance Sensor. It detects hand position via ranging, realizes non-contact lid opening, and is immune to ambient light interference
	Driving Device	SG90 Micro Servo, controls automatic opening and closing of trash can lid, driven by Arduino servo library
	Disinfection Module	UV Germicidal Lamp, automatically starts internal disinfection after the lid is fully closed
	Main Control Platform	Developed based on Arduino ecosystem, supports C language programming & graphical block programming
Product Functional Parameters	Lid Opening Logic	When ultrasonic sensor detects hands within sensing range → servo drives lid to open automatically; lid closes automatically with delay after hands leave
	Disinfection Logic	After the lid is fully closed, the system automatically activates the UV lamp for internal disinfection; single disinfection duration is controlled by program timer
	Product Features	Non-contact opening & closing design to avoid direct hand contact with bin opening for hygiene and pollution prevention; inhibits bacterial growth inside the bin
Teaching Parameters	Programming Knowledge Points	1. Program structure: multi-condition judgment statements, loop structures 2. Basic syntax: definition and calling of variables & data types 3. Hardware programming: ultrasonic ranging acquisition, servo PWM control, peripheral light switch control
	Competencies Cultivated	Mechanical assembly, circuit wiring debugging, logical programming design, sensor principle application, scientific experiment exploration
	Application Scenarios	Primary & secondary school maker classrooms, STEAM technology clubs, after-school programming training courses
Power Supply Instruction	Standard Power Supply	5V DC power supply; compatible with USB power banks and 5V adapters

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