4x5 Matrix Array 20 Key Membrane Switch Keypad Keyboard For Arduino
4x5 Matrix Array 20 Key Membrane Switch Keypad Keyboard For Arduino
4x5 Matrix Array 20 Key Membrane Switch Keypad Keyboard For Arduino
4x5 Matrix Array 20 Key Membrane Switch Keypad Keyboard For Arduino
ROBODIUM

4x5 Matrix Array 20 Key Membrane Switch Keypad Keyboard For Arduino

SKU: R0657
Availability: Out Of Stock
Rs. 100.00 (Inclusive of 18% GST) No Hidden Charges
🚚 Order Above ₹999 & Get Free Shipping Anywhere in India
Description  

This 4x5 Matrix Array 20 Key Membrane Switch Keypad Keyboard is a high-quality soft-touch feeling button keypad with 100 million life-stroke lifespans and good resistance to environmental conditions.

This DC 12V 4x5 Key Matrix Membrane Switch Keypad is a high-quality product at a very low cost for your application needs.

This 20-button keypad provides a useful human interface component for microcontroller projects. Convenient adhesive backing provides a simple way to mount the keypad in a variety of applications.

The Keypad 4x5 features a total of 20 buttons in Matrix form. This is a membrane keypad with no moving parts. A female 9-pin berg connector is required for interfacing it with your microcontroller circuits.

Features:-

  1. Ultra-thin design & adhesive backing provides easy integration to any project

  2. Excellent price-performance ratio

  3. Easy communication with any microcontroller

  4. 5 pins 2.54mm pitch connector,4x5 type 20 keys.

  5. The sticker can peel off for adhesive mounting.

  6. Used widely in industrial and home electronic equipment, instrument, etc.

  7. This allows a microcontroller to scan the 9 output pins to see which of the 20 buttons is being pressed.

Package Includes:-

1 x 4x5 Matrix Array 20 Key Membrane Switch Keypad.

Specifications:-

Voltage(V)

DC 35V
Operating Current (A)

100mA
Contact Resistance

100mΩ (Max.)
Insulation Resistance (MΩ)

100
Dielectric Strength

250VRms
Operating Temperature Range(°C)

-40 to 80
Storage condition(°C)                                                

-40 to 80
Length (mm)

180
Width (mm)

85
Height (mm)

1
Weight (gm)

8

* Product Images are shown for illustrative purposes only and may differ from actual product.

Shipping & Return  

Return Policy Overview

At ROBODIUM™, we want you to be completely satisfied with your purchase. You may return most items within 7 days of delivery for a full refund or exchange.

Return Window

  • Standard Returns: 7 days from delivery date for any reason, including change of mind.
  • Defective / Damaged Items: 7 days from delivery date.
  • Manufacturing Defects (Warranty): 15 days from delivery, unless otherwise specified on the product page.

What Can Be Returned

Most items sold on ROBODIUM™ can be returned within the return window, including:

  • Items you no longer need or changed your mind about
  • Products received in damaged condition
  • Items with manufacturing defects
  • Wrong items received (item mismatch)
  • Missing components inside the package

Return Conditions

To be eligible for a return, items must be:

  • In their original, unused condition
  • In the original packaging with all accessories, manuals, and free gifts (if any)
  • Accompanied by proof of purchase

Note: Products damaged due to misuse, modification, static discharge, soldering, or improper handling may not be eligible for return.

How to Initiate a Return

  1. Contact us via email at support@robodium.com or call +91 8123109966
  2. Provide your order number and reason for return
  3. Submit photos/videos of the item (mandatory for damaged or defective products)
  4. Our team will review and approve your request within 1–2 business days

Return Pickup Process

We arrange the return pickup for you — hassle-free returns similar to major e-commerce platforms.

  • Pickup is coordinated after return approval
  • Pack the product securely in its original packaging
  • Include a copy of the order confirmation or packing slip
  • Our logistics partner will collect the package at the scheduled time

Return Shipping Costs

  • Defective, damaged, or wrong items: ROBODIUM™ covers all return shipping costs.
  • Change-of-mind returns: ₹100 return shipping fee will be deducted from the refund.

Refund Process

  • Refund Method: Original payment method
  • Processing Time: 5–7 business days after inspection
  • Refund Amount: Full purchase price minus applicable return shipping fees
  • Orders canceled before shipping receive a full refund (minus up to 5% payment gateway charges, if applicable)

Replacements

  • Replacement is shipped after the returned item is inspected and approved
  • Dispatched within 2 business days of receiving the return
  • If replacement is unavailable, a full refund will be issued

Warranty Terms

All products include a minimum 15-day warranty against manufacturing defects, unless otherwise specified on the product page.

Warranty does not cover misuse, soldering damage, modifications, physical damage, or incorrect electrical connections.

Order Cancellations

  • Orders in Pending or Payment Verification status can be canceled for a full refund
  • Contact us immediately before shipping to cancel an order
  • Once shipped, orders cannot be canceled but can be returned after delivery

Customer Service Commitment

  • Email response within 24 hours on business days
  • Phone support: Monday–Saturday, 10:00 AM – 6:00 PM IST
  • Return request review: 1–2 business days
  • Issue resolution within 48 hours of verification

Need Help?

📞 +91 8123109966
✉️ support@robodium.com

4x5 Matrix Array 20 Key Membrane Switch Keypad Keyboard For Arduino

ROBODIUM

4x5 Matrix Array 20 Key Membrane Switch Keypad Keyboard For Arduino

Rs. 100.00
4x5 Matrix Array 20 Key Membrane Switch Keypad Keyboard For Arduino
4x5 Matrix Array 20 Key Membrane Switch Keypad Keyboard For Arduino
4x5 Matrix Array 20 Key Membrane Switch Keypad Keyboard For Arduino
4x5 Matrix Array 20 Key Membrane Switch Keypad Keyboard For Arduino

ROBODIUM

4x5 Matrix Array 20 Key Membrane Switch Keypad Keyboard For Arduino

Rs. 100.00