This is the 12V variant of the DC 12V 1×4 Key Matrix Membrane Switch Keypad in Electronic Switches/Keypads Modules. Available at ₹41.65 (₹35.30 + GST) with free shipping across India.
Looking for 12v Switch? DC 12V 1×4 Key Matrix Membrane Switch Keypad is available at Zbotic with fast shipping across India.
Product Description
This product is a high-quality 4-button keypad that you can use for your microcontroller projects. It has a low cost and an adhesive backing that makes it easy to install in different situations.
The keypad has a matrix layout with no moving parts. You need a male 5-pin berg connector to connect it with your microcontroller circuits. The keypad works with a DC 12V power supply.
Features:
- Ultra-thin design & adhesive backing provides easy integration to any project.
- Excellent price-performance ratio
- Easy communication with any microcontroller
- 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 |
| Weight (g): | 1 (approx) |
| Shipping Weight | 0.01 kg |
| Shipping Dimensions | 7 × 5 × 3 cm |
Package Includes :
1 x DC 12V 1×4 Key Matrix Membrane Switch Keypad.
DC 12V 1×4 Key Matrix Membrane Switch Keypad Overview
The DC 12V 1×4 Key Matrix Membrane Switch Keypad is an ultra-thin 4-button input device designed for integration into microcontroller and electronic control panels. Its self-adhesive backing and low-profile membrane design make it ideal for user interfaces in compact or custom enclosures.
Key Features of DC 12V 1×4 Key Matrix Membrane Switch Keypad
- Ultra-thin membrane construction with self-adhesive backing for seamless mounting
- Rated up to 35 VDC and 100 mA per contact for reliable switching
- Low contact bounce <=5 ms and a life expectancy of 1 million closures
- Simple 1×4 matrix layout requiring only a 5-pin male Berg connector
- Operation temperature range from –20 °C to +40 °C for indoor use
- Excellent price-performance ratio and genuine factory sourcing
- Fast shipping across India from Zbotic
Applications and Use Cases
- Mode or menu selection panel for Arduino, ESP32 and other microcontroller projects
- Control interface for lab instruments, test rigs or prototype devices
- User input keypad for robotics control stations or small CNC machines
- Simple password entry or function selection in security and alarm panels
- Lighting scene selection in custom home automation consoles
- DIY audio mixer or effects unit front-panel button array
How to Use DC 12V 1×4 Key Matrix Membrane Switch Keypad
Peel and stick the keypad onto your project enclosure, route the attached ribbon cable to a 5-pin male Berg connector, then wire the four key lines and common line to your microcontroller’s digital I/O pins. Apply a 12 V supply or logic-level pull-ups, and implement a simple scan routine in firmware to detect which button is pressed.
Why Buy from Zbotic?
- Genuine Products: All items sourced from authorized distributors
- Fast Shipping: Orders ship within 24 hours with tracking (non backordered products)
- Free Shipping: Free delivery on qualifying orders
- COD Available: Cash on Delivery, UPI, cards, net banking
- Technical Support: Expert help for setup and troubleshooting
- Easy Returns: Hassle-free replacement for defective products
Frequently Asked Questions
Which voltage and current specifications does this keypad support?
The membrane switch handles up to 35 VDC at 100 mA per contact and is designed to work with a 12 V supply; you can also interface it safely with 5 V logic when scanning via microcontroller pull-ups.
How do I connect the 1×4 keypad to my microcontroller?
Use a 5-pin male Berg connector on the ribbon cable; wire four key lines plus a common line to digital I/O pins and scan them in firmware to detect button presses.
What is the expected lifespan of this membrane keypad?
Each switch is rated for up to 1 million closures with a contact bounce time of less than 5 ms for reliable operation.
Technical Specifications
| Operating Voltage | 12V |
|---|---|
| Package Quantity | 4 pcs |
| SKU | AI2434 |
| Weight | 0.00273 kg |
| Availability | In Stock |
Applications & Use Cases
The DC 12V 1×4 Key Matrix 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
