4 x 1 keypad module is a module with 4 buttons with numbers 1 to 4. This keypad module is used in input projects
Specification
- Maximum rating: 24 VDC, 30 mA
- Easy to interface with the controller, processor, and Arduino
- Adhesive backing
- Thin design
Application
- Data entry for microcontroller
- Menu or data selection
- Password lock
- In general password lock household or industrial devices
Features
- Easy to interface with the controller, processor, and Arduino
- Adhesive backing
- Thin design
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