SazkJere 4PCS 4x4 Matrix Keypad 16 Keyboard Module External Keypad Board for Microcontroller (16Key)
Product Description
SazkJere 4PCS 4x4 Matrix Keypad 16 Keyboard Module External Keypad Board for Microcontroller (16Key)
- 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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