If you’re developing project that require control panel, keypad can be one of the important component. So, in this tutorial, I will share on how to interface keypad with Raspberry Pi.
This video will show you how to interface 4×4 keypad with Raspberry Pi and create a simple password application.
This is the list of items used in the video
Wiring connection table.
|Raspberry Pi/Maker pHAT||Keypad 4×4||I2C LCD|
|GPIO17||1 (most left)|
|GPIO19||8 (most right)|
This is sample program to interface keypad with Raspberry Pi. It has 2 files, (1) Main file and (2) Library for I2C LCD.
Thanks for reading this tutorial. If you have any technical inquiry, please post at Cytron Technical Forum.