SazkJere 2PCS 4x4 Matrix Keypad 16 Keyboard Module External Keypad Board for Microcontroller (4x4 Key)
Product Description
SazkJere 2PCS 4x4 Matrix Keypad 16 Keyboard Module External Keypad Board for Microcontroller (4x4 Key)
- It provides numbers from 0 to 9, and A B C D, as well as standard stars (*) and hash symbols (#)
- Keypad is a combination of row and column circuits.
- The keyboard matrix allows you to quickly add controls to your electronic projects. Easy to communicate with any microcontroller.
- There is a switch connecting each row and column. So the combinations of rows and columns makes up the 16 inputs.
- Application: Password security system, Generating external interrupt, Automatic Gate Keypad Lock.
Technical Specifications
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