7kNKRO.ino

#include <HID-Project.h>
#include <HID-Settings.h>

const byte pins[] = { 2, 3, 7, 9, 10, 11, 12, 4 };
char mapping[] = {"sdfjkl `"};
bool buttonCheck[8];

void setup() {
  for(byte x=0; x<8; x++) pinMode(pins[x], INPUT_PULLUP);
  NKROKeyboard.begin();
}

void loop() {
  for(byte x=0; x<8; x++) {
    if (!digitalRead(pins[x]) && !buttonCheck[x]) { NKROKeyboard.press(mapping[x]); buttonCheck[x] = 1; }
    if (digitalRead(pins[x]) && buttonCheck[x]) { NKROKeyboard.release(mapping[x]); buttonCheck[x] = 0; }
  }
}