1×4 Matrix – Membrane Type Keypad – 4 Keys
- Introducing the DC 12V 4×1 Key Matrix Membrane Switch Keypad, an affordable and reliable solution for your electronic projects.
- This 4-button keypad is a versatile human interface component, ideal for use with microcontroller systems. Designed for ease of use and practicality, it features an adhesive backing for simple mounting across various applications.
- With its 1×4 matrix layout, the keypad eliminates moving parts through its membrane design, ensuring durability and long-term performance. It easily integrates into your circuits via a female 5-pin berg connector, making it a great choice for DIY electronics and prototyping.
Features
- 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, 4×1 type 4 keys.
- The sticker can peel off for adhesive mounting.
- Used widely in industrial and home electronic equipment, instrument, etc.
- This allows a microcontroller to ‘scan’ the 5 output pins to see which of the 4 buttons is being pressed.
Specification:
| Voltage(V) | DC 35V |
|---|---|
| Operating Current (A) | 100mA |
| Contact Resistance | 500Ω |
| Insulation Resistance (MΩ) | 100 |
| Dielectric Strength | 250VRms |
| Operating Temperature (°C) | -20 to 40, -40 to 85 |
| Storage condition (℃) | -40 to 80 |
| Mech. & Electrical Lifecycle | ≈ 1,000,000 |
| Length (mm): | 110 |
| Width (mm): | 70 |
| Height (mm): | 1 |
Package Includes
- 1 x DC 12V 4×1 Key Matrix Membrane Switch Keypad.
Technical Specifications
| Package Quantity | 4 pcs |
|---|---|
| SKU | AI0522 |
| Weight | 0.0 kg |
| Availability | In Stock |
Applications & Use Cases
The 1x4 Matrix - Membrane Type Keypad - 4 Keys is a versatile electronic switches/keypads modules used across a wide range of applications including electronics projects, DIY builds, prototyping, and educational experiments.
Common use cases:
- Integrating into a custom electronics project
- Learning and experimenting with circuits
- Replacing or upgrading components in existing setups
This product is ideal for electronics enthusiasts, engineers, and students.
Technical Tip: Always verify voltage and current requirements before connecting to your circuit. Check datasheets for detailed specifications and pin configurations.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
Sarika Yadav (verified owner) –
Great 1×4 Matrix – Membrane Type Keypad. Easy to integrate with NodeMCU for WiFi-based control.
Naveen Verma (verified owner) –
Good quality 1×4 Matrix – Membrane Type Keypad. Using it for my college project. Performs as expected.
Amit Gupta (verified owner) –
Good 1×4 Matrix – Membrane Type Keypad. Works well. LED indicators are helpful for debugging.
Vijay Patil –
Love this 1×4 Matrix – Membrane Type Keypad. Click sound is satisfying and switching is instantaneous.
Lakshmi Grewal –
Very satisfied. My smart home system runs on these 1×4 Matrix – Membrane Type Keypad modules. Totally reliable.
Yash Bose (verified owner) –
Great quality 1×4 Matrix – Membrane Type Keypad. All channels working. Optocoupler isolation is a nice feature.
Gaurav Dhawan –
Good 1×4 Matrix – Membrane Type Keypad. Works well. LED indicators are helpful for debugging.
Isha Hegde (verified owner) –
Superb 1×4 Matrix – Membrane Type Keypad! Using it to control my garden irrigation system. Very dependable.
Mukesh Jain (verified owner) –
Very satisfied. My smart home system runs on these 1×4 Matrix – Membrane Type Keypad modules. Totally reliable.
mijanur rahaman jamadar (verified owner) –
work as well
Tanvi Tandon (verified owner) –
Perfect 1×4 Matrix – Membrane Type Keypad for my IoT project. Controlling appliances remotely works flawlessly.
Sahil Patel (verified owner) –
Good quality 1×4 Matrix – Membrane Type Keypad. Using it for my college project. Performs as expected.
Rahul Gill (verified owner) –
Superb 1×4 Matrix – Membrane Type Keypad! Using it to control my garden irrigation system. Very dependable.
Sarthak Chopra –
Perfect 1×4 Matrix – Membrane Type Keypad for my IoT project. Controlling appliances remotely works flawlessly.
Karan Patel (verified owner) –
Average 1×4 Matrix – Membrane Type Keypad. Works but the relay generates some EMI. Added snubber to fix.
Abhishek Kapoor (verified owner) –
Decent 1×4 Matrix – Membrane Type Keypad. Trigger voltage is compatible with both 3.3V and 5V logic.
Harsh Tiwari (verified owner) –
Very satisfied. My smart home system runs on these 1×4 Matrix – Membrane Type Keypad modules. Totally reliable.
Gauri Dhillon (verified owner) –
Great quality 1×4 Matrix – Membrane Type Keypad. All channels working. Optocoupler isolation is a nice feature.
Aman Sethi –
Great quality 1×4 Matrix – Membrane Type Keypad. All channels working. Optocoupler isolation is a nice feature.
Sahil Bhandari (verified owner) –
Great 1×4 Matrix – Membrane Type Keypad. Easy to integrate with NodeMCU for WiFi-based control.