4×4 Matrix Keypad Membrane Switch for Arduino
Original price was: ₹99.00.₹49.00Current price is: ₹49.00.
You save (%)
Features:
- 16 buttons in a 4×4 matrix layout for alphanumeric or numeric input.
- 8-pin interface using 4 rows + 4 columns — minimal microcontroller I/O usage.
- Compatible with Arduino, Raspberry Pi, ESP32 and more — easy to read with libraries like Keypad.
- Thin, flexible membrane design with adhesive backing for easy mounting.
- Durable with millions of presses life-span for reliable long-term use.
- Ideal for password systems, menus, control panels & DIY projects.
Only 2 left in stock
4×4 Matrix Keypad Membrane Switch for Arduino
The 4×4 Matrix Keypad Membrane Switch is a versatile 16-button input module for Arduino and other microcontroller projects. With a matrix layout, you only need 8 digital pins (4 rows + 4 columns) to scan all the keys, saving valuable GPIO resources.
Crafted with a thin and flexible membrane design and adhesive backing, it mounts easily on project panels, enclosures, or control interfaces. The tactile keys are responsive with a long operational life, ideal for DIY electronics, security panels, calculators, robotics, menu navigation, or data entry tasks.
Includes simple wiring and Arduino library support, making integration into your embedded system fast and straightforward. Compatible with Arduino Uno, Nano, Mega, ESP32, Raspberry Pi (GPIO scanning libraries).
Features:
- 16 buttons in a 4×4 matrix layout for alphanumeric or numeric input.
- 8-pin interface using 4 rows + 4 columns — minimal microcontroller I/O usage.
- Compatible with Arduino, Raspberry Pi, ESP32 and more — easy to read with libraries like Keypad.
- Thin, flexible membrane design with adhesive backing for easy mounting.
- Durable with millions of presses life-span for reliable long-term use.
- Ideal for password systems, menus, control panels & DIY projects.
Applications:
- Arduino and microcontroller input projects
- Password-based door lock systems
- Access control and security panels
- Calculator and numeric input projects
- Menu navigation and user interface systems
- Robotics control panels
- Home automation systems
- Industrial control panels
- Embedded system user interfaces
- DIY electronics and IoT projects
| Weight | 20 g |
|---|
Related products
BMP180 Digital Barometric Pressure Sensor Module
Original price was: ₹180.00.₹36.00Current price is: ₹36.00.
You save (%)Add to cartFeatures
- Measures barometric pressure, altitude & temperature
- High precision: ±1 hPa (pressure), ±0.5°C (temperature)
- Pressure range: 300–1100 hPa
- Operating voltage: 1.8V–3.6V (3.3V typical)
- I²C interface for easy integration
- Low power consumption (<1 μA in standby)
- Compact & lightweight (~2 g)
- Compatible with Arduino, Raspberry Pi & other microcontrollers
Digital LDR Module – Light Sensor
Original price was: ₹50.00.₹35.00Current price is: ₹35.00.
You save (%)Read moreFeatures:
✅ Simple to use, plug-and-play.
✅ Adjustable sensitivity using potentiometer.
✅ Low power consumption.
✅ Fast switching compared to analog readings.
✅ Useful in light detection, automatic street lights, daylight sensing, and DIY projects.Applications:
🔹 Automatic night lamp.
🔹 Smart curtains that close when light is high.
🔹 Light intensity alarms.
🔹 Robotics line-following sensors (combined with reflective surfaces).
🔹 Security systems to detect sudden darkness (hand covering sensor).Mini Solderless Breadboard – 170 Tie Points
Original price was: ₹25.00.₹14.00Current price is: ₹14.00.
You save (%)Add to cartFeatures
- 170 Tie Points – Suitable for small-scale circuits and quick experiments.
- Solderless & Reusable – Components can be inserted and removed easily.
- Durable Build – ABS plastic body with nickel-plated contacts ensures long life.
- Self-Adhesive Backing – Stick to any flat surface or inside project enclosures.
- Interlocking Design – Can be connected to other breadboards for expansion.
- Supports 20–29 AWG solid core jumper wires and standard components.
LDR Module 4 Pin | Digital & Analog Light Sensor for Arduino
Original price was: ₹60.00.₹39.00Current price is: ₹39.00.
You save (%)Read moreFeatures: LDR Module LM393 4 Pin
✅ 4-Pin Output: Provides both digital (D0) and analog (A0) outputs for flexibility in projects.
✅ LM393 Comparator: Fast, reliable switching for accurate light detection.
✅ Adjustable Sensitivity: Onboard potentiometer lets you set the light threshold easily.
✅ Wide Voltage Range: Operates on 3.3V–5V, compatible with Arduino, ESP32, Raspberry Pi, and microcontrollers.
✅ High Stability: Stable performance with precise light sensing in varying conditions.
✅ Indicator LED: Shows digital output state for quick testing and debugging.
✅ Compact Design: Easy to integrate into DIY and IoT projects.
Reviews
There are no reviews yet.