Bit-Tree Creativity - Intelligent Password Box Course Package

Intelligent Password Box Course Package

Everyone has little secrets! Handcraft and program a multi-functional password box to exercise thinking ability, scientific cognition, practical skills and logical thinking. Input the correct password, and the box will unlock automatically. Press the # key after storing or taking items to lock it again. Audio and light alarm will be triggered if wrong password is entered.

Unlock by password; sound & light alarm for wrong password

key locks the box; servo drives automatic opening & closing

Hands-on programming to sharpen logical thinking

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.

Category	Parameter Details
Product Name	Intelligent Password Box Course Package
Manufacturer	BIT-TREE CREATIVITY (Integrated Supplier of Science Education Kits & Courses)
Box Dimension	154mm×115mm×102mm
Keypad Configuration	Digits 0-9, A/B/C/# keys; # key for locking
Core Functions	Auto-unlock upon correct password; manual lock via # key; sound & light alarm for wrong password
Main Controller Support	Developed on Arduino, Servo.h library applied
Servo Pin	D12
Servo Angle	Opening: 25°, Closing: 120°
Trigger Pin	A3 (Low-level trigger)
Debounce Delay	150ms
Waiting Delay after Unlocking	1350ms (Anti-pinch protection)
Delay after Lid Fully Opened	300ms
Delay after Lid Fully Closed	250ms
Product Application	Cultivate hands-on ability, logical thinking, programming skills and scientific cognition

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