{"id":2435,"date":"2016-12-30T10:46:48","date_gmt":"2016-12-30T07:46:48","guid":{"rendered":"http:\/\/roboromania.ro\/produs\/modul-4x4-keypad-matrix-buttons\/"},"modified":"2021-10-01T15:14:48","modified_gmt":"2021-10-01T12:14:48","slug":"modul-4x4-keypad-matrix-buttons","status":"publish","type":"product","link":"https:\/\/roboromania.ro\/?product=modul-4x4-keypad-matrix-buttons","title":{"rendered":"Modul 4×4 Keypad Matrix Buttons (430)"},"content":{"rendered":"

Modul 4×4 Keypad Matrix Buttons<\/p>\n

\"Modul-4x4-Keypad-Matrix-Buttons-roboromania\"<\/a><\/p>\n

\"Modul-4x4-Keypad-Matrix-Buttons-roboromania-schema\"<\/a><\/p>\n

Exemplu de conectare la Arduino :<\/p>\n

\"Modul-4x4-Keypad-Matrix-Buttons-roboromania-ex\"<\/a><\/p>\n

Exemplu de cod :<\/p>\n

\/*******************************************************
\n* name: Password Lock
\n* note: you need to add the Keypad folder under test experiment\\code\\Library to the Arduino libraries folder
\n* function: when you press one button, you can see the keyvalue print on the serial monitor
\n* Keypad Uno
\n* X1 8
\n* X2 9
\n* X3 10
\n* X4 11
\n* Y1 4
\n* Y2 5
\n* Y3 6
\n* Y4 7
\n*
\n*********************************************************\/
\n#include <Keypad.h> \/\/use the Keypad libraries<\/p>\n

const byte ROWS = 4; \/\/four rows
\nconst byte COLS = 4; \/\/four columns
\n\/\/define the cymbols on the buttons of the keypads
\nchar hexaKeys[ROWS][COLS] =
\n{
\n{
\n‘1’,’2′,’3′,’4′ }
\n,
\n{
\n‘5’,’6′,’7′,’8′ }
\n,
\n{
\n‘9’,’A’,’B’,’C’ }
\n,
\n{
\n‘D’,’*’,’0′,’#’ }
\n};
\nbyte rowPins[ROWS] = { 4, 5, 6, 7}; \/\/connect to the row pinouts of the keypad
\nbyte colPins[COLS] = { 8, 9, 10, 11}; \/\/connect to the column pinouts of the keypad<\/p>\n

\/\/initialize an instance of class NewKeypad
\nKeypad customKeypad = Keypad( makeKeymap(hexaKeys), rowPins, colPins, ROWS, COLS);<\/p>\n

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

void loop()
\n{
\nreadKey();
\n\/\/delay(100);
\n}<\/p>\n

void readKey()
\n{
\nint correct = 0;
\nchar customKey = customKeypad.getKey();\/\/get the key value
\nif(customKey)
\n{
\nSerial.print(„keyValue: „);
\nSerial.println(customKey);
\n}
\n\/\/delay(100);
\n}<\/p>\n

\"Serial-Modul-4x4-Keypad-Matrix-Buttons-roboromania\"<\/a><\/p>\n

Arduino projects.<\/p>\n","protected":false},"excerpt":{"rendered":"

Modul 4×4 Keypad
\nArduino projects.<\/p>\n","protected":false},"featured_media":2440,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[15,274],"product_tag":[92,7,178,179,143,77,149,21],"class_list":{"0":"post-2435","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-module","7":"product_cat-intrerupatoare-si-microintrerupatoare","8":"product_tag-5v","9":"product_tag-arduino","10":"product_tag-digit","11":"product_tag-display","12":"product_tag-led","13":"product_tag-modul","14":"product_tag-red","15":"product_tag-uno","17":"first","18":"instock","19":"sale","20":"shipping-taxable","21":"purchasable","22":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/roboromania.ro\/index.php?rest_route=\/wp\/v2\/product\/2435","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/roboromania.ro\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/roboromania.ro\/index.php?rest_route=\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/roboromania.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2435"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/roboromania.ro\/index.php?rest_route=\/wp\/v2\/media\/2440"}],"wp:attachment":[{"href":"https:\/\/roboromania.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2435"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/roboromania.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=2435"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/roboromania.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=2435"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/roboromania.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=2435"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}