The 4×4 matrix keypad is an input device, it is usually used to provide input value in a project. It has 16 keys in total, which means it can provide 16 input values. The most interesting … Read more
4×4 Keypad
The 4×4 matrix keypad is an input device, it is usually used to provide input value in a project. It has 16 keys in total, which means it can provide 16 input values. The most interesting … Read more