'Petals Around the Rose' box

Wooden box locked with a "Petals Around the Rose" puzzle.

How to use

Enter the correct solution followed by the pound. Do this 3 times in a row and the box will open. Progress is indicated by green LEDs

Hardware

• ATmega328P
• 5x 74HC595 Shift register
• Generic keypad
• Generic servo
• Generic powerbank for power

Build photos

Resources

• https://www.arduino.cc/en/tutorial/ShiftOut
• http://www.circuitbasics.com/how-to-set-up-a-keypad-on-an-arduino/
• https://www.arduino.cc/en/Tutorial/Knob