Product Description
- The DC 12V 4×3 Matrix 12-Key Membrane Switch Keypad is a high-quality, soft-touch keypad designed for durability with a lifespan of up to 100 million key presses. It offers excellent resistance to environmental factors, making it suitable for a variety of applications.
- This 12-button keypad is an affordable and reliable solution for integrating a human interface into microcontroller projects. It comes with a convenient adhesive backing, allowing for easy mounting in a wide range of applications.
- The 4×3 keypad layout consists of 12 buttons arranged in a matrix configuration. As a membrane keypad with no moving parts, it ensures long-term reliability and smooth operation. A female 7-pin Berg connector is required for interfacing the keypad with your microcontroller circuit.
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, 4×3 type 12 keys.
- The sticker can peel off for adhesive mounting.
- Used widely in industrial and home electronic equipment, instruments, etc.
- This allows a microcontroller to ‘scan’ the 7 output pins to see which of the 12 buttons is being pressed.
Specifications:
| Voltage(V) | DC 35V |
|---|---|
| Operating Current (A): | 0.1 |
| Contact Resistance | 500Ω |
| Insulation Resistance (MΩ) | 100 |
| Dielectric Strength | 250VRms |
| Length (mm): | 70 |
| Width (mm): | 70 |
| Height (mm): | 1 |
| Weight (g): | 7 |
| Ribbon cable length (mm) | 90 |
Package Includes :
- 1 x DC 12V 4×3 Matrix 12 keys Membrane Switch Keypad
Technical Specifications
| Package Quantity | 12 pcs |
|---|---|
| SKU | AI0416 |
| Weight | 0.01 kg |
| Availability | In Stock |
Applications & Use Cases
The 4×3 Matrix 12 keys Membrane Switch Keypad 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
Aisha Gill (verified owner) –
Love this 4×3 Matrix 12 keys Membrane Switch. Click sound is satisfying and switching is instantaneous.
Aryan Sethi –
Average 4×3 Matrix 12 keys Membrane Switch. Works but the relay generates some EMI. Added snubber to fix.
Atharv Patil (verified owner) –
Good 4×3 Matrix 12 keys Membrane Switch. Works well. LED indicators are helpful for debugging.
Dhruv Vohra (verified owner) –
Great 4×3 Matrix 12 keys Membrane Switch. Easy to integrate with NodeMCU for WiFi-based control.
Neha Tandon (verified owner) –
This 4×3 Matrix 12 keys Membrane Switch is robust and well built. PCB quality is excellent.
Sneha Grewal (verified owner) –
Excellent 4×3 Matrix 12 keys Membrane Switch! Switching is clean and reliable. Using it for home automation.
Shruti Srivastava (verified owner) –
Average 4×3 Matrix 12 keys Membrane Switch. Works but the relay generates some EMI. Added snubber to fix.
Nikita Khanna (verified owner) –
Nice 4×3 Matrix 12 keys Membrane Switch. Relay clicks are clear. Terminal connections are solid.
Tejas Saxena (verified owner) –
Perfect 4×3 Matrix 12 keys Membrane Switch for my IoT project. Controlling appliances remotely works flawlessly.
Azhagu Senthilkumar (verified owner) –
Varun Arora –
Superb 4×3 Matrix 12 keys Membrane Switch! Using it to control my garden irrigation system. Very dependable.
Mohit Tandon (verified owner) –
Superb 4×3 Matrix 12 keys Membrane Switch! Using it to control my garden irrigation system. Very dependable.
Devansh Pillai (verified owner) –
Love this 4×3 Matrix 12 keys Membrane Switch. Click sound is satisfying and switching is instantaneous.
Shreyas Panchal (verified owner) –
Good quality 4×3 Matrix 12 keys Membrane Switch. Using it for my college project. Performs as expected.
Girish Tiwari (verified owner) –
Great 4×3 Matrix 12 keys Membrane Switch. Easy to integrate with NodeMCU for WiFi-based control.
Dhruv Sharma –
Decent 4×3 Matrix 12 keys Membrane Switch. Trigger voltage is compatible with both 3.3V and 5V logic.