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RLECS 4x4 Matrix Button Keypad Module 16 Keys 8 Pin for Arduino Raspberry Pi
RLECS

RLECS 4x4 Matrix Button Keypad Module 16 Keys 8 Pin for Arduino Raspberry Pi

Bottom line: The RLECS 4x4 Matrix Button Keypad Module 16 Keys 8 Pin is a specs-and-price decision rather than a crowd-consensus one in the retro software & media category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ Type: 4x4 Matrix Keyboard Module with 16 buttons; PCB Size: 38x42mm
  • ✓ Backed by RLECS's warranty and support channels

Cons

  • ✗ Check the listed dimensions, connectors and platform compatibility against your setup before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

Specifications:Type: 8 Pin 4X4 matrix keypad moduleKeypad Number: 16PCB Size: 38x42mmPackage includes: 1 x 4x4 Matrix Keyboard ModuleA basic 16 button keypad for user input. The buttons are setup in a matrix format. This allows a microcontroller to 'scan' the 8 output pins to see which of the 16 buttons is being pressed.

SpecPicks Verdict

SpecPicks scored RLECS 4x4 Matrix Button Keypad Module 16 Keys 8 Pin using a rating × review-volume × price-fit model applied to published specs and reviews across the retro software & media category. RLECS's retro software & media lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for retro software & media of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • Type: 4x4 Matrix Keyboard Module with 16 buttons; PCB Size: 38x42mm
  • Small size. Space saving. More convenient to use with 16 keys and 8 pin
  • Suitable for any Aduino project that requires a keyboard connection
  • Expanded development application modules for single chip. Can be connected to any microcontroller
  • Package includes: 1 x 4x4 Matrix Keyboard Module

Full Specifications

Type4x4 Matrix Keyboard Module with 16 buttons; PCB Size: 38x42mm
BrandRLECS
StyleModern
MaterialPlastic
Model NameRLECS 4x4 Matrix Button Keypad Module
Style NameModern
Unit Count1 Count
Switch TypeMechanical
Model NumberMKM-8P-4x4
Power SourceWired
Built-In Media8 pin keypad
Number of Keys38
Button Quantity16
Keyboard LayoutQWERTY
Mfr Part NumberMKM-8P-4x4
Number of Packs1
Special Feature4x4 Matrix Design
Antenna LocationOffice
Hand OrientationAmbidextrous
Package includes1 x 4x4 Matrix Keyboard Module

Ready to buy?

RLECS 4x4 Matrix Button Keypad Module 16 Keys 8 Pin for Arduino Raspberry Pi is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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