4×4 Matrix Membrane Keypad | 16 Button Keypad Module
₵20.00 Original price was: ₵20.00.₵18.00Current price is: ₵18.00.
The standard keypad for security projects. This ultra-thin 16-button keypad allows users to enter passwords, navigate menus, or control robots. It features a peel-and-stick adhesive backing, making it easy to mount on any plastic project box or door.
-
Keys: 16 (0-9, A-D, *, #)
-
Mounting: Self-Adhesive Backing (Peel & Stick)
-
Interface: 8 Pins (Standard 2.54mm header)
-
Best For: Electronic Door Locks, Calculators, and Attendance Systems.
3 in stock
The 4×4 Matrix Keypad Membrane Switch is a compact, flexible, and easy-to-use input device designed for Arduino, Raspberry Pi, ESP32, and microcontroller projects. With 16 soft-touch keys arranged in a 4×4 grid, this keypad is perfect for password security systems, robotics control, and embedded applications.
🔹 Durable Membrane Design for Smooth Operation ⚡
✔ Keypad Layout: 4 Rows × 4 Columns (16 Keys) – Numeric & function keys.
✔ Connector: 8-pin flexible ribbon (Easy to interface with microcontrollers).
✔ Key Labels: *0-9, A-D, , # for diverse applications.
✔ Operating Voltage: 3V – 5V (Compatible with Arduino & Raspberry Pi).
✔ Ultra-Thin Design: Flexible membrane structure for mounting on flat surfaces.
✔ Adhesive Backing: Easily sticks to enclosures and project surfaces.
✔ Durability: Long-lasting membrane keys with reliable tactile response.
🔹 Applications – Where to Use the 4×4 Matrix Keypad 🛠️
✔ Arduino & Raspberry Pi Projects – Create interactive user interfaces.
✔ Access Control & Security Systems – Use as a password keypad for smart locks.
✔ Robotics & Automation – Program robot commands via keypad input.
✔ Home Automation & IoT Projects – Control appliances, sensors, and alarms.
✔ DIY Electronics & STEM Education – Perfect for learning microcontroller interfacing.
🔹 How to Use & External Resources 📚
The 4×4 Keypad connects easily using an 8-pin interface (4 rows, 4 columns) and is compatible with Arduino’s Keypad library for scanning keypresses efficiently.
📖 Helpful Resources for the 4×4 Matrix Keypad Membrane:
✔ Arduino Keypad Library & Setup Guide
✔ Raspberry Pi Keypad Integration
✔ How Matrix Keypads Work – Electronics Tutorial
✔ YouTube Tutorials – 4×4 Keypad with Arduino
🔹 Best Price & Availability in Ghana 🇬🇭
Looking for a 4×4 Matrix Keypad Membrane Switch in Ghana? Whether for security systems, automation, or robotics, this lightweight, durable, and easy-to-interface keypad is a must-have. Order today for fast delivery across Ghana!
Related products
16×2 LCD Display Module (Blue Backlight) – HD44780 Arduino Compatible
The classic 1602 Character LCD provides a bright 16-character by 2-line display, essential for user interfaces in electronics projects.
-
Display: 16 Characters x 2 Lines
-
Color: White Text on Blue Background
-
Controller: HD44780 (Standard Library Support)
-
Voltage: 5V DC
-
Interface: Parallel (4-bit or 8-bit)
-
Backlight: LED
3×4 Matrix Membrane Keypad Module | 12 Button Numeric Pad
A simple and reliable input device for Arduino and DIY electronics projects. This flexible 12-key keypad provides only the essential keys (0–9, *, #)—no letters—making it ideal for numeric-only applications. It comes with a peel-and-stick adhesive backing for quick mounting on enclosures, panels, or doors.
-
Keys: 12 (Telephone-style layout)
-
Interface: 7 pins (2.54 mm standard pitch)
-
Mounting: Self-adhesive sticker backing
- Best for: Electronic door locks, vending machines, access control systems, phone dialers, and keypad-based Arduino projects.
HC-SR501 PIR Motion Sensor Module | Infrared Detector for Arduino
Build your own burglar alarm or automatic light. The HC-SR501 detects human and animal movement by sensing body heat. It is the standard motion sensor for Arduino security projects.
-
Range: Adjustable (3 to 7 meters)
-
Output: 3.3V Logic (High when motion detected)
-
Features: Adjustable Time Delay & Sensitivity
-
Ideal For: Automated lighting, security systems, and robotics.
High Sensitivity Vibration Sensor Module (SW-1801P) | Shock & Shake Switch
Detect even the slightest tap. Unlike standard vibration sensors that require a hard shake, the SW-1801P High Sensitivity module can detect light knocks, impacts, and vibrations. Perfect for anti-theft alarms and "Smart Wake-Up" devices.
-
Sensor Type: SW-1801P (High Sensitivity Spring).
-
Output: Digital (High/Low).
-
Adjustable: Blue Potentiometer to set sensitivity trigger.
-
Best For: Anti-Theft Alarms, Earthquake Detection, and Smart Toys.
MQ-3 Alcohol Sensor Module | Breathalyzer & Ethanol Detector
-
Detects: Alcohol, Ethanol, Benzine.
-
Sensitivity: Adjustable via Blue Potentiometer.
-
Warm-up: Heater requires ~20 seconds.
-
Best For: Breathalyzers, Drunk Driving Alarms, and Industrial Monitoring.
RC522 RFID Reader/Writer Module Kit (13.56MHz) + Key Fob & Card
Soil Moisture Sensor Module (YL-69) | Automatic Plant Watering System
Never forget to water your plants again. The Soil Moisture sensor measures the water content in soil. When the soil gets dry, the sensor output changes, allowing your Arduino to turn on a water pump automatically.
-
Outputs: Analog (Exact moisture level) & Digital (Threshold switch)
-
Adjustable: Set your "Dry" trigger point with the blue potentiometer.
-
Ideal For: Smart irrigation systems, greenhouse monitoring, and science projects.
Sound Sensor Module (Microphone) | Clap Switch & Alarm Detector
Turn on lights with a clap! This microphone module detects sound waves and converts them into a digital signal for your Arduino. It is the core component for "Clap Switch" projects and noise-activated alarms.
-
Sensitivity: Adjustable via Blue Potentiometer.
-
Outputs: Digital (Gate) and Analog (Waveform).
-
Microphone: High-Sensitivity Condenser Mic.
-
Best For: Clap Switches, Baby Monitors, and Noise Alarms.

Reviews
There are no reviews yet.