4x4 Keypad module 16 push button keys aluminum plate It provides ultra-long range spread

It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption

can be calculated distance

I2C Fast Mode Compatible Interface

Control Port: 4 common anode score points with 0

4x4 Keypad module 16 push button keys aluminum plate It provides ultra-long range spreadThe 4 X 4 Matrix Keypad is a very simple one which have 16 tactile keys connected to the male headers across the resisters on the same board. It is very small and easy to carry. Its simplicity is just to give the power to the keypad and connect the headers to the micro controller's input port with 8 pin female connecting wire. When one tactile key is pressed its corresponding pin with Rows and column intersection gets high logic. There is an Arduino