Overview
Keypad 4x4 Board features a 4x4 keypad and a flat cable connector used for user interaction.
The board can be connected to some development system or used as part of some other device if required.
IDC10 connectors enable easy connection.
Description
The Keypad 4x4 Board features a 4x4 keypad. This keypad consists of a set of buttons similar to an alphanumeric keyboard provided with keys usually marked with letters or numbers and various extra keys. Embedded systems which require user interaction must be interfaced with devices that accept user input such as a keypad.
Examples
Examples provided with this board will show you how to connect the Keypad 4x4 Board to a microcontroller easily. Each example contains a detailed description of the relevant program including comments. All these examples can be downloaded from this page as well.
- Example of writing keypad input on an LCD.
- Example of sending keypad input via RS232.
- Example of writing keypad input on an LED.
- Example of number of keypresses.
- Example of writing keypad input on a 7-segment display.







