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4PCS 3x4 Matrix Keypad 12 Keyboard Module External Keypad Board for Microcontroller (12Key)
- It provides numbers from 0 to 9, 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 12 inputs.
- Application: Password security system, Generating external interrupt, Automatic Gate Keypad Lock.
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4x3 12 button matrix keyboard module
It provides numbers from 0 to 9, as well as standard stars (*) and hash symbols (#)
The keyboard matrix allows you to quickly add controls to your electronic projects.
Easy to communicate with any microcontroller.
Size: 7*5*1cm
Weight: 19g
Keypad Number: 12keys
3X4 design, 10 numeric keys, 2 function keys.
1st row 1 2 3
2nd row 4 5 6
3rd row 7 8 9
4th row * 0 #
Package Included :
4 x 12 keys keypad
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Virtue & Thrive Store Return Policy
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