4×4 Matrix Membrane Keypad | 16 Button Keypad Module
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.
4 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 老太太在小树林里卖镖的视频 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 老太太在小树林里卖镖的视频s).
✔ 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 佐伯奈々+无码.
✔ 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 被按摩的人妻中文字幕 & STEM Education – Perfect for learning 老太太在小树林里卖镖的视频 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 – 被按摩的人妻中文字幕 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
433MHz RF Transmitter & Receiver Kit | Wireless Module for Arduino
Cut the cord. Go wireless. This kit includes one Transmitter and one Receiver. It is the simplest and most affordable way to send data wirelessly between two Arduinos up to 100 meters (with antenna).
-
Frequency: 433MHz
-
Includes: 1x Transmitter (Square), 1x Receiver (Rectangle)
-
Modulation: ASK (Amplitude Shift Keying)
-
Best For: Remote control cars, weather stations, and wireless switches.
DS18B20 Waterproof Temperature Sensor Probe | Stainless Steel Digital Thermometer
Measure liquid temperature with digital precision. This is the waterproof version of the famous DS18B20 sensor. Encased in a stainless steel tube, it is perfect for measuring water, soil, or air temperature in harsh environments.
-
Range: -55°C to +125°C
-
Interface: 1-Wire Digital (Requires only 1 pin)
-
Cable Length: 1 Meter
-
Best For: Aquariums, boilers, soil temperature, and cold chain monitoring.
HC-SR501 PIR Motion Sensor Module | Infrared Detector for Arduino
Build your own burglar alarm or automatic light.
-
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.
IRF520 MOSFET Driver Module (0-24V) | PWM Motor & LED Controller
-
Max Load: 24V DC / < 5A.
-
Control Voltage: 3.3V or 5V (PWM Compatible).
-
Output: Pulse Width Modulation (Speed/Dimming control).
-
Best For: LED Strips, Small DC Fans, and Solenoids.
MQ-2 Smoke & Gas Sensor Module | LPG, Butane, Hydrogen Detector
- Detects: Smoke, LPG, Propane, Hydrogen, Methane.
- Sensitivity: High (Adjustable).
- Response Time: < 10s.
- Best For: Fire Alarms, Gas Leak Detectors, and Industrial Safety.
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.
NTC Thermistor Sensor Module
SW-420 Vibration Sensor Module | Adjustable Impact & Shake Switch
- Sensor Type: SW-420 (Normally Closed).
- Output: Digital (High/Low).
- Sensitivity: Adjustable via Blue Potentiometer.
- Best For: Anti-Theft Alarms, Smart Cars, and Impact Detection.

Reviews
There are no reviews yet.