DIYables Keypad Library

Arduino DIYables_Keypad Keypad library

Description

Keypad Library for Arduino - DIYables_Keypad

This library is designed for Arduino, ESP32, ESP8266... to work the keypad. It is created by DIYables to work with DIYables keypad, but also work with other brand keypad. Please consider purchasing keypad 3x4 and keypad 4x4 from DIYables to support our work.

Please note: These are Amazon affiliate links. If you buy the components through these links, We will get a commission at no extra cost to you. We appreciate it.

Function References: COMING SOON

  • DIYables_Keypad(char *keymap, byte *rowPins, byte *columnPins, byte numRows, byte numCols);
  • Char getKey();
  • Void setDebounceTime(unsigned long time);

Features

  • Works with any hardware platform that supports Arduino API.
  • It also works with Arduino Uno R4 WiFi and Minima

Available Examples

  • Keypad_3x4
/* Created by DIYables This example code is in the public domain Product page: https://diyables.io/products/keypad-3x4 */ #include <DIYables_Keypad.h> // DIYables_Keypad library const int ROW_NUM = 4; //four rows const int COLUMN_NUM = 3; //three columns char keys[ROW_NUM][COLUMN_NUM] = { { '1', '2', '3' }, { '4', '5', '6' }, { '7', '8', '9' }, { '*', '0', '#' } }; byte pin_rows[ROW_NUM] = { 9, 8, 7, 6 }; //connect to the row pinouts of the keypad byte pin_column[COLUMN_NUM] = { 5, 4, 3 }; //connect to the column pinouts of the keypad DIYables_Keypad keypad = DIYables_Keypad(makeKeymap(keys), pin_rows, pin_column, ROW_NUM, COLUMN_NUM); void setup() { Serial.begin(9600); delay(1000); Serial.println("Keypad 3x4 example"); } void loop() { char key = keypad.getKey(); if (key) { Serial.println(key); } }
  • Keypad_4x4
/* Created by DIYables This example code is in the public domain Product page: https://diyables.io/products/keypad-3x4 */ #include <DIYables_Keypad.h> // DIYables_Keypad library const int ROW_NUM = 4; //four rows const int COLUMN_NUM = 3; //three columns char keys[ROW_NUM][COLUMN_NUM] = { { '1', '2', '3' }, { '4', '5', '6' }, { '7', '8', '9' }, { '*', '0', '#' } }; byte pin_rows[ROW_NUM] = { 9, 8, 7, 6 }; //connect to the row pinouts of the keypad byte pin_column[COLUMN_NUM] = { 5, 4, 3 }; //connect to the column pinouts of the keypad DIYables_Keypad keypad = DIYables_Keypad(makeKeymap(keys), pin_rows, pin_column, ROW_NUM, COLUMN_NUM); void setup() { Serial.begin(9600); delay(1000); Serial.println("Keypad 3x4 example"); } void loop() { char key = keypad.getKey(); if (key) { Serial.println(key); } }

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Arduino UNO R3
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