4×4 Matrix Keypad

Ultra-thin design & adhesive backing provides easy integration to any project
Excellent price-performance ratio
Easy communication with any microcontroller
5 pins 2.54mm pitch connector, 4x 4type 16 keys.
Sticker can peel off for adhesive mounting.
Operating Voltage (V): 12 DC

SKU: EK1364 Categories: Electronic Modules, Electronic Switches/Keypads Tags: Electronic Modules, Electronic Switches/Keypads, Sale

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Description

Description: Self-adhesive membrane keypad 4×4 – 16 keys

Diaphragm keypad equipped with 16 keys in 4 x 4 arrangement.It has numbers: from 0 to 9, letters: A, B, C, D and special characters: * i #. On the back of the keyboard there is a self-adhesive tape for easy installation. The keyboard is equipped with 8-pin tape with a 2.54 mm grid, so it can be connected to the main module, such as Arduino or STM32 using connection cables or through a goldpin strip.The keyboard can be used as a data input device.

Membrane keyboard with 16 keys.

How to connect the keyboard

The keyboard can be connected in two ways. The layout of the outputs is shown in the figure below.

Pin Number	Description
ROWS
1	PIN1 is taken out from 1st ROW
2	PIN2 is taken out from 2nd ROW
3	PIN3 is taken out from 3rd ROW
4	PIN4 is taken out from 4th ROW
COLUMN
5	PIN5 is taken out from 1st COLUMN
6	PIN6 is taken out from 2nd COLUMN
7	PIN7 is taken out from 3rd COLUMN
8	PIN8 is taken out from 4th COLUMN

The layout of the outputs and how to connect the keyboard.

Diaphragm keypad specifications

Maximum Rating: 24 VDC, 30mA
Number of buttons: 16
Dimensions: 77 x 70 x 0.8 mm
Belt length with connector: 83 mm
Type of connector: 1 x 8 pin – female raster 2.54 (goldpin connector)

🔌

Pin Connections

1 Table

Pin Connections Table 1

Board	Sensor Pin	Connection
Keypad	4 rows + 4 cols	8 board digital pins

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4x4 Matrix Keypad

7 Examples • C/C++ | Boards: Arduino Uno, Arduino Nano, Arduino Mega, ESP32, ESP8266, STM32, Raspberry Pi Pico

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4x4 Matrix Keypad - Arduino Uno

4x4 Matrix Keypad - Arduino Nano

4x4 Matrix Keypad - Arduino Mega

4x4 Matrix Keypad - ESP32

4x4 Matrix Keypad - ESP8266

4x4 Matrix Keypad - STM32

4x4 Matrix Keypad - Raspberry Pi Pico

📄 File: 4x4_matrix_keypad_-_arduino_uno.inoArduino Uno

608 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Row pins on Arduino Uno: 9, 8, 7, 6 Column pins: 5, 4, 3, 2

6#include <Keypad.h>

8const byte ROWS = 4;

9const byte COLS = 4;

10char keys[ROWS][COLS] = {

11 {'1','2','3','A'},

12 {'4','5','6','B'},

13 {'7','8','9','C'},

14 {'*','0','#','D'}

15};

16byte rowPins[ROWS] = {9, 8, 7, 6};

17byte colPins[COLS] = {5, 4, 3, 2};

19Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, ROWS, COLS);

21void setup() {

22 Serial.begin(115200);

23}

25void loop() {

26 char key = keypad.getKey();

27 if (key) {

28 Serial.print("Key pressed: ");

29 Serial.println(key);

30 }

31}

📄 File: 4x4_matrix_keypad_-_arduino_nano.inoArduino Nano

609 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Row pins on Arduino Nano: 9, 8, 7, 6 Column pins: 5, 4, 3, 2

6#include <Keypad.h>

8const byte ROWS = 4;

9const byte COLS = 4;

10char keys[ROWS][COLS] = {

11 {'1','2','3','A'},

12 {'4','5','6','B'},

13 {'7','8','9','C'},

14 {'*','0','#','D'}

15};

16byte rowPins[ROWS] = {9, 8, 7, 6};

17byte colPins[COLS] = {5, 4, 3, 2};

19Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, ROWS, COLS);

21void setup() {

22 Serial.begin(115200);

23}

25void loop() {

26 char key = keypad.getKey();

27 if (key) {

28 Serial.print("Key pressed: ");

29 Serial.println(key);

30 }

31}

📄 File: 4x4_matrix_keypad_-_arduino_mega.inoArduino Mega

609 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Row pins on Arduino Mega: 9, 8, 7, 6 Column pins: 5, 4, 3, 2

6#include <Keypad.h>

8const byte ROWS = 4;

9const byte COLS = 4;

10char keys[ROWS][COLS] = {

11 {'1','2','3','A'},

12 {'4','5','6','B'},

13 {'7','8','9','C'},

14 {'*','0','#','D'}

15};

16byte rowPins[ROWS] = {9, 8, 7, 6};

17byte colPins[COLS] = {5, 4, 3, 2};

19Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, ROWS, COLS);

21void setup() {

22 Serial.begin(115200);

23}

25void loop() {

26 char key = keypad.getKey();

27 if (key) {

28 Serial.print("Key pressed: ");

29 Serial.println(key);

30 }

31}

📄 File: 4x4_matrix_keypad_-_esp32.inoESP32

618 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Row pins on ESP32: 13, 12, 14, 27 Column pins: 26, 25, 33, 32

6#include <Keypad.h>

8const byte ROWS = 4;

9const byte COLS = 4;

10char keys[ROWS][COLS] = {

11 {'1','2','3','A'},

12 {'4','5','6','B'},

13 {'7','8','9','C'},

14 {'*','0','#','D'}

15};

16byte rowPins[ROWS] = {13, 12, 14, 27};

17byte colPins[COLS] = {26, 25, 33, 32};

19Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, ROWS, COLS);

21void setup() {

22 Serial.begin(115200);

23}

25void loop() {

26 char key = keypad.getKey();

27 if (key) {

28 Serial.print("Key pressed: ");

29 Serial.println(key);

30 }

31}

📄 File: 4x4_matrix_keypad_-_esp8266.inoESP8266

620 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Row pins on ESP8266: D0, D3, D4, D5 Column pins: D6, D7, D8, D2

6#include <Keypad.h>

8const byte ROWS = 4;

9const byte COLS = 4;

10char keys[ROWS][COLS] = {

11 {'1','2','3','A'},

12 {'4','5','6','B'},

13 {'7','8','9','C'},

14 {'*','0','#','D'}

15};

16byte rowPins[ROWS] = {D0, D3, D4, D5};

17byte colPins[COLS] = {D6, D7, D8, D2};

19Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, ROWS, COLS);

21void setup() {

22 Serial.begin(115200);

23}

25void loop() {

26 char key = keypad.getKey();

27 if (key) {

28 Serial.print("Key pressed: ");

29 Serial.println(key);

30 }

31}

📄 File: 4x4_matrix_keypad_-_stm32.inoSTM32

634 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Row pins on STM32: PA0, PA1, PA2, PA3 Column pins: PA4, PA5, PA6, PA7

6#include <Keypad.h>

8const byte ROWS = 4;

9const byte COLS = 4;

10char keys[ROWS][COLS] = {

11 {'1','2','3','A'},

12 {'4','5','6','B'},

13 {'7','8','9','C'},

14 {'*','0','#','D'}

15};

16byte rowPins[ROWS] = {PA0, PA1, PA2, PA3};

17byte colPins[COLS] = {PA4, PA5, PA6, PA7};

19Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, ROWS, COLS);

21void setup() {

22 Serial.begin(115200);

23}

25void loop() {

26 char key = keypad.getKey();

27 if (key) {

28 Serial.print("Key pressed: ");

29 Serial.println(key);

30 }

31}

📄 File: 4x4_matrix_keypad_-_raspberry_pi_pico.inoRaspberry Pi Pico

630 characters

1//ekostra.com

2//electronics store in egypt

3//+201008896258

5// Row pins on Raspberry Pi Pico: 10, 11, 12, 13 Column pins: 14, 15, 16, 17

6#include <Keypad.h>

8const byte ROWS = 4;

9const byte COLS = 4;

10char keys[ROWS][COLS] = {

11 {'1','2','3','A'},

12 {'4','5','6','B'},

13 {'7','8','9','C'},

14 {'*','0','#','D'}

15};

16byte rowPins[ROWS] = {10, 11, 12, 13};

17byte colPins[COLS] = {14, 15, 16, 17};

19Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, ROWS, COLS);

21void setup() {

22 Serial.begin(115200);

23}

25void loop() {

26 char key = keypad.getKey();

27 if (key) {

28 Serial.print("Key pressed: ");

29 Serial.println(key);

30 }

31}

Project Notes:

16-button matrix keypad.

Required Libraries:

Keypad (Chris--A)GitHub

نظرة عامة ومواصفات المنتج — بالعربية

4×4 Matrix Keypad متوفر الآن في متجر إكوسترا للإلكترونيات، ضمن قسم Electronic Modules وElectronic Switches/Keypads، بسعر 35,00 EGP. كود المنتج لدينا: EK1364. المنتج متوفر في المخزون وجاهز للشحن الفوري لكل محافظات مصر مع إمكانية الدفع عند الاستلام.

أهم المواصفات الفنية:

Voltagev: DC 35V
Operating Current A: 0.1
Contact Resistance: 500Ω
Insulation Resistance M: 100
Dielectric Strength: 250VRms
الوزن: 7 g

هذا المنتج مناسب لمشاريع الأردوينو (Arduino) و ESP32 و Raspberry Pi، ومشاريع الروبوتات وإنترنت الأشياء والتعليم الهندسي. جميع القطع مفحوصة قبل الشحن.

تصفّح المزيد من Electronic Modules في إكوسترا.

Specification

WeightWeight	7,0000 g
Dimensions	165 × 70 × 1 cm
voltagev	DC 35V
operating-current-a	0.1
contact-resistance	500Ω
insulation-resistance-m	100
dielectric-strength	250VRms

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