Keypad 4x4 Timbul 65x67x9mm
Referensi
E341-L2A11
Stok 229
Rp. 33.000
Keypad 4 x 4 Hitam Tebal
Jumlah pad 4 x 4
Bahan Pad Plastik.
Tulisan Pad gravir ukir cat Putih
Ukuran Luar P x L x tt = 65 x 67 x 9mm
#include <Keypad.h>
const uint8_t ROWS = 4;
const uint8_t COLS = 4;
char keys[ROWS][COLS] = {
{ '1', '2', '3', 'A' },
{ '4', '5', '6', 'B' },
{ '7', '8', '9', 'C' },
{ '*', '0', '#', 'D' }
};
uint8_t colPins[COLS] = { 5, 4, 3, 2 }; // Pins connected to C1, C2, C3, C4
uint8_t rowPins[ROWS] = { 9, 8, 7, 6 }; // Pins connected to R1, R2, R3, R4
Keypad keypad = Keypad(makeKeymap(keys), colPins,rowPins, ROWS, COLS);
void setup() {
Serial.begin(9600);
}
void loop() {
char key = keypad.getKey();
if (key != NO_KEY) {
Serial.println(key);
}
}