4*4 keypad matrix

SKU: BYRTC013Brand: BOTYARDS

A 4×4 keypad matrix is an input device with 16 push buttons arranged in 4 rows and 4 columns. It is used to enter numbers, letters, or commands into microcontroller systems.

Variant

Rs. 130

QTY

The keys are connected in a matrix form so that only 8 pins (4 rows + 4 columns) are needed instead of 16. The controller scans the rows and columns to find which key is pressed. This saves I/O pins and makes interfacing simple.