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1. 1 x Linker 1×2 Button Matrix Module
2. 1 x [bigcommerce link=”/pcduino-v2-an-minipc-with-arduino-headers-ubuntu-android-google/” target=”_blank”]pcDuino V2[/bigcommerce]
3. 4 x Jumper wires

[/vc_column_text][/vc_tab][vc_tab title=”Wire Diagram” tab_id=”1396165245-2-6″][vc_column_text]Linker Buttonv2 S1  =>  pcDuino D2

Linker Buttonv2  S2   =>  pcDuino D3

Linker Buttonv2  G    => pcDuino GND

Linker Buttonv2  V    => pcDuino +3v

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#include  “core.h”

const int button_s1 = 2;

const int button_s2 = 3;

void setup  (){

pinMode (2, INPUT);

pinMode (3, INPUT);

}

void loop  (){

if  (digitalRead (2){

printf (“button_s1 have been hold down!\n”);

}

delay (50);

if  (digitalRead (3){

printf (“button_s2 have been hold down!\n”);

}

delay (50);

}

[/vc_column_text][/vc_tab][vc_tab title=”Test Result ” tab_id=”1396166976465-3-7″][vc_column_text]Press the S1, display “button_S1 have been hold down!”
Press the S2, display “button_S2 have been hold down!”

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