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PCA9685 16-Channel 12-Bit PWM/Servo Driver Module (I2C) Original price was: 240,00 EGP.Current price is: 190,00 EGP.
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CH341A USB Mini Programmer with SOIC8 Test Clip
CH341A USB Mini Programmer with SOIC8 Test Clip Original price was: 230,00 EGP.Current price is: 185,00 EGP.
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17119 2
self adhesive membrane keyboard 4x4 16 keys
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4×4 Matrix Membrane Keypad (16-Key)

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SKU: 6024839

Original price was: 35,00 EGP.Current price is: 27,00 EGP.

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The 4×4 Matrix Membrane Keypad is a thin, self-adhesive input pad with 16 keys (0-9, A-D, *, #) wired in a 4×4 matrix to minimize the number of microcontroller pins needed. Its flexible membrane construction and ribbon cable connector make it easy to mount on an enclosure and wire directly into Arduino or other microcontroller projects.

Key features:

  • 16-Key Layout: Digits 0-9, letters A-D, and * / # symbols cover numeric entry and simple menu navigation.
  • 4×4 Matrix Wiring: Only 8 microcontroller pins are needed to scan all 16 keys, saving I/O compared to individual buttons.
  • Thin Membrane Design: A slim, self-adhesive backing allows the keypad to be mounted flat on an enclosure or panel.
  • Flat Ribbon Connector: An 8-pin flat flexible cable connects directly to a breadboard-friendly header or Arduino shield.
  • Tactile Key Response: Each key gives a light tactile bump so presses can be felt without looking at the pad.

This keypad is a common choice for security keypad locks, calculators, and any project needing simple numeric or menu input.

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Specification

Technical Specification

Key Layout

4×4 (16 keys)
Interface

8-pin matrix ribbon cable
Key Travel

Tactile membrane
Operating Voltage

3.3V to 5V logic level
Mounting

Self-adhesive backing
Dimensions

approx. 70mm x 77mm

Display

Key Layout

4×4 (16 keys)
Interface

8-pin matrix ribbon cable
Key Travel

Tactile membrane
Operating Voltage

3.3V to 5V logic level
Mounting

Self-adhesive backing
Dimensions

approx. 70mm x 77mm

RAM

Key Layout

4×4 (16 keys)
Interface

8-pin matrix ribbon cable
Key Travel

Tactile membrane
Operating Voltage

3.3V to 5V logic level
Mounting

Self-adhesive backing
Dimensions

approx. 70mm x 77mm

Storage

Key Layout

4×4 (16 keys)
Interface

8-pin matrix ribbon cable
Key Travel

Tactile membrane
Operating Voltage

3.3V to 5V logic level
Mounting

Self-adhesive backing
Dimensions

approx. 70mm x 77mm

Video Card

Key Layout

4×4 (16 keys)
Interface

8-pin matrix ribbon cable
Key Travel

Tactile membrane
Operating Voltage

3.3V to 5V logic level
Mounting

Self-adhesive backing
Dimensions

approx. 70mm x 77mm

Connectivity

Key Layout

4×4 (16 keys)
Interface

8-pin matrix ribbon cable
Key Travel

Tactile membrane
Operating Voltage

3.3V to 5V logic level
Mounting

Self-adhesive backing
Dimensions

approx. 70mm x 77mm

Features

Key Layout

4×4 (16 keys)
Interface

8-pin matrix ribbon cable
Key Travel

Tactile membrane
Operating Voltage

3.3V to 5V logic level
Mounting

Self-adhesive backing
Dimensions

approx. 70mm x 77mm

Battery

Key Layout

4×4 (16 keys)
Interface

8-pin matrix ribbon cable
Key Travel

Tactile membrane
Operating Voltage

3.3V to 5V logic level
Mounting

Self-adhesive backing
Dimensions

approx. 70mm x 77mm

General

Key Layout

4×4 (16 keys)
Interface

8-pin matrix ribbon cable
Key Travel

Tactile membrane
Operating Voltage

3.3V to 5V logic level
Mounting

Self-adhesive backing
Dimensions

approx. 70mm x 77mm

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