{"id":42,"date":"2021-10-17T14:30:06","date_gmt":"2021-10-17T12:30:06","guid":{"rendered":"https:\/\/www.onetimenexttime.sk\/arduino\/?post_type=product&p=42"},"modified":"2024-02-22T17:16:22","modified_gmt":"2024-02-22T16:16:22","slug":"matrix-array-12-key-membrane-switch-keypad-keyboard-for-arduino-avr-4-x-3","status":"publish","type":"product","link":"https:\/\/www.onetimenexttime.sk\/arduino\/index.php\/produkt\/matrix-array-12-key-membrane-switch-keypad-keyboard-for-arduino-avr-4-x-3\/","title":{"rendered":"Matrix Array 12 Key Membrane Switch Keypad Keyboard For Arduino AVR 4 x 3"},"content":{"rendered":"

Matrix Array 12 Key Membrane Switch Keypad for Arduino AVR 4 x 3<\/h1>\n\n\n\n\n\n\n\n\n
Popis<\/th>\nMembr\u00e1nov\u00e1 kl\u00e1vesnica s maticov\u00fdm usporiadan\u00edm 4 x 3 pre Arduino a AVR<\/td>\n<\/tr>\n
Vlastnosti<\/th>\n\n
    \n
  • Maticov\u00e9 usporiadanie 4 x 3 pre snadn\u00e9 ovl\u00e1danie<\/li>\n
  • Pou\u017e\u00edva membr\u00e1nov\u00e9 sp\u00edna\u010de na tla\u010didl\u00e1<\/li>\n
  • Snadn\u00e1 integr\u00e1cia s Arduinom a AVR mikrokontrol\u00e9rmi<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
\u0160pecifik\u00e1cie<\/th>\n\n
    \n
  • Rozmery: 77mm x 60mm<\/li>\n
  • Pocet tla\u010didiel: 12 (4 x 3)<\/li>\n
  • Pracovn\u00e9 nap\u00e4tie: 3.3V – 5V<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
Pr\u00edklady pou\u017eitia<\/th>\n\n
    \n
  • Ovl\u00e1danie r\u00f4znych funkci\u00ed alebo vstupov pomocou kl\u00e1vesnice<\/li>\n
  • Vytvorenie menu alebo interakt\u00edvnej navig\u00e1cie<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n
Pr\u00edkladov\u00fd k\u00f3d pre Arduino<\/th>\n\/\/ Pr\u00edkladov\u00fd k\u00f3d pre \u010d\u00edtanie stavu tla\u010didiel
\nconst int numRows = 4;
\nconst int numCols = 3;<\/code><\/code>char keys[numRows][numCols] = {
\n{‘1’, ‘2’, ‘3’},
\n{‘4’, ‘5’, ‘6’},
\n{‘7’, ‘8’, ‘9’},
\n{‘*’, ‘0’, ‘#’}
\n};<\/code><\/code>byte rowPins[numRows] = {9, 8, 7, 6};
\nbyte colPins[numCols] = {5, 4, 3};<\/code><\/code>Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, numRows, numCols);<\/p>\n

<\/code><\/code>void setup() {
\nSerial.begin(9600);
\n}<\/p>\n

<\/code><\/code>void loop() {
\nchar key = keypad.getKey();
\nif (key) {
\nSerial.println(key);
\n}
\ndelay(10);
\n}<\/p>\n

Pr\u00edkladov\u00fd k\u00f3d pre ESPHome<\/th>\n# Pr\u00edkladov\u00fd k\u00f3d pre ESPHome
\nbinary_sensor:
\n- platform: gpio
\npin:
\nnumber: D1
\nmode: INPUT_PULLUP
\nname: \"Matrix Keypad Button 1\"
\nfilters:
\n- invert:
\n- delayed_on: 10ms
\n- delayed_off: 10ms
\non_press:
\nthen:
\n- switch.toggle: relay_output<\/code>
\n