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DIY 15 Mechanical Password Box STEM Education kit
DIY 15 Mechanical Password Box STEM kit for students and hobbyists to learn mechanics, gears, and hands-on engineering.
The DIY 15 Mechanical Password Box STEM Education Kit is an engaging hands-on project designed for students, hobbyists, and STEM enthusiasts to explore mechanics, problem-solving, and engineering design. This kit allows you to build a mechanical password-protected box, teaching principles of gear systems, levers, and lock mechanisms.
Featuring easy-to-assemble components and clear instructions, it promotes critical thinking, creativity, and practical engineering skills. Ideal for STEM education, classroom experiments, and DIY engineering projects, this kit provides a fun and interactive way to learn mechanical design and secure system concepts.

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- Shield type:Â Arduino Nano
- Firmware:Â GRBL
- Modular stepper motor drivers:Â 3
- Limit switches:Â 6
- Micro-stepping:Â 1/16
- Coolant enable
- Uses removable Pololu A4988 compatible stepper drivers. (A4988, DRV8825, and others) (Not Included)
- Jumpers to set the Micro-Stepping for the stepper drivers. (Some drivers like the DRV8825 can do up to 1/32 micro-stepping )
- Compact design.
- Runs on 12-36V DC. (At the moment only the Pololu DRV8825 drivers can handle up to 36V so please consider the operation voltage when powering the board.)
- Please note that this is an unassembled kit and needs soldering.
- Latest Arduino CNC Shield Version 3.51
Arduino LilyPad 328 ATmega328P Main Board 16M Compatible with Arduino
- Microcontroller: ATmega168 or ATmega328V
- Operating Voltage: 2.7-5.5 V
- Digital I/O Pins: 14
- PWM Channels: 6
- Analog Input Channels: 6
- DC Current per I/O Pin: 40 mA
- Board will run from 2V to 5V.
- The latest version of the LilyPad supports automatic reset for even easier programming.
- The back side of the LilyPad is now completely flat!

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