Macro keypad

1//Gytis_Orz sketch from Hackster.io more info https://www.hackster.io/Gytis_Orz/macro-keypad-02cb43
2//  Wiring:
3// VCC -> 5V
4// GND -> GND
5// OUT -> A1 (Analog 1)
6#include<Keyboard.h>
7#define  KEY_MENU 0xED
8void setup() {
9 Serial.begin(9600);
10}
11
12void loop()  {
13 // is any button pressed?
14 int valueA1=get_button();
15 if(valueA1>0)  { 
16   Serial.print("Click button ");
17   Serial.println(valueA1);
18   delay(500);
19  } 
20}
21
22// button detection
23int get_button() {
24 // get A1 analog input  value
25 int val=analogRead(A1);
26 if(val>1000)
27 return 1; //you can change  the "return x;" to whatever you want like using a keyboard library you can make  it to copy or paste something
28 else if(val>900)
29 return 2;
30 else if(val>820)
31  return 3;
32 else if(val>750)
33 return 4;
34 else if(val>660)
35 return 5;
36  else if(val>620)
37 return 6;
38 else if(val>585)
39 return 7;
40 else if(val>540)
41  return 8;
42 else if(val>500)
43 return 9;
44 else if(val>475)
45 return 10;
46  else if(val>455)
47 return 11;
48 else if(val>425)
49 return 12;
50 else if(val>370)
51  return 13;
52 else if(val>300)
53 return 14;
54 else if(val>260)
55 return 15;
56  else if(val>200)
57 return 16;
58 else
59   return 0; 
60}