[vc_row][vc_column][vc_column_text]Linker 1×2 button matrix  has two 6*6*5cm buttons, and will be more convenient in Arduino related projects.[/vc_column_text][vc_tour][vc_tab title=”Parts List” tab_id=”1395239110-1-74″][vc_column_text]

1. 1  x  Linker 1×2 button matrix
2. 1  x  [bigcommerce link=”/cityduino-arduino-uno-compatible-device/” target=”_blank”]Arduino Uno [/bigcommerce]
3. 1  x  [bigcommerce link=”/20-cm-cable-for-linker-kit/” target=”_blank”]20cm cable for linker kit[/bigcommerce]
4. 1  x Liker base shield for Arduino

[/vc_column_text][/vc_tab][vc_tab title=”Wiring Diagram” tab_id=”1395239110-2-62″][vc_column_text]Connect the Linker 1×2 button matrix to the base shield  [D2 D3] using a  linker cable.

The base shield is installed on a Arduino Uno.

Connect Arduino Uno to PC through a USB cable.

[/vc_column_text][/vc_tab][vc_tab title=”Test Code” tab_id=”1395239204847-2-9″][vc_column_text]

/*************************************************************************
	> File Name: Linker_1x2_button_matrix.c
	> Author: Darren 
	> Created Time: Fri Jan  1 00:05:19 2010
 ************************************************************************/

#include "Arduino.h"

const int s1_pin = 3;
const int s2_pin = 2;

void setup(){
	pinMode (s1_pin, INPUT);
	pinMode (s2_pin, INPUT);
        Serial.begin (9600);
}

void loop (){
	if(digitalRead (s1_pin)){
		Serial.println ("buttom_1 have been hold down!");
	}
	delay (50);
	if(digitalRead (s2_pin)){
		Serial.println ("buttom_2 have been hold down!");
	}
	delay (50);

}

[/vc_column_text][/vc_tab][vc_tab title=”Test Result” tab_id=”1395239206046-3-4″][vc_column_text]Press the left button, the screen will print “button_2 has been hold down!”

Press the right button, the screen will print”button_1 has been hold down!”

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