الوصف
In the application system of the microcontroller, a keyboard is essential in the human-machine dialogue. In case you are short of a button, you can connect one to the I/O port of the controller; but when you need lots of buttons with limited I/O port resources, this 4x4 Matrix Keypad is undoubtedly your best choice.
4X4 Matrix Button Keypad Module
Let customers speak for us
Good
Good price
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