Introduction: Knock Knock! Box
Secret push detecting lock box
Step 1: Electronics Components
1. Arduino NANO
2. Servo 9g
3. Push switch
4. Limit switch
5. LED 5mm Red Green Blur
6. Resistor 330 ohm
7. Plastic box
Step 2: Perforate Box and Install LED Switch
Step 3: Hinge
Step 4: Aluminum Angle
Step 5: Install Servo
Step 6: Wiring Circuit
Step 7: Upload Code
Attachments
Step 8: Finished!
Step 9: First Time Box Lock
Step 10: Set Secret Push
Push switch 1 time.
LED red and green Flash 1 time. after LED green on.
Push limit switch are secret push. Finished still.
after LED red and green Flash as secret push.
all LED off.
Finished set secret push.
Step 11: Try!
At first box lock. Secret push at limit switch.
if correct LED blur and green on. Box openable.
if wrong LED red flash.
Want lock box again. close box and push at limit switch 1 time.
After remove plug. the secrct push is still valid.
Step 12: Please Subscribe
