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code lock keypad
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simple code lock with 4x4 keypad
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Updated at source:
Model information
- Source
- Printables
- Category
- Electronics
- License
- Creative Commons — Attribution — Noncommercial
simple code lock with 4x4 button matrix
Parts:
- D1 mini ESP8266 (1x)
- 4x4 keypad (1x)
- M3 melt threads (4x)
- M3 screws (4x)