4×5 Matrix keypad

4×5 Matrix keypad

2,000.00

The 4×5 Matrix Keypad is a high-quality keypad with 20 keys arranged in a 4×5 matrix. This keypad is designed for a variety of applications including embedded systems, microcontroller projects, and digital circuits. It offers a simple interface for user input and is widely used in applications such as security systems, DIY electronics, and interactive projects.

Key Features:

  • 20 keys arranged in a 4×5 matrix
  • Durable and reliable design
  • Easy to integrate with microcontrollers and other digital circuits
  • Compact and lightweight

Technical Specifications:

  • Keypad Layout: 4 rows and 5 columns
  • Operating Voltage: 3.3V to 5V
  • Dimensions: 75mm x 100mm
  • Cable Length: 100mm
  • Connector Type: Pin header (10 pins)

Applications:

  • Embedded systems
  • Microcontroller projects
  • Digital input devices
  • Security systems
  • DIY electronics
  • Interactive projects

Usage:

  1. Connect the Keypad: Connect the row and column pins of the keypad to the digital I/O pins of the microcontroller.
  2. Initialize the Pins: Set up the microcontroller pins as input or output as needed.
  3. Scanning the Keypad: Implement a scanning routine to detect key presses by checking the state of each row and column.
  4. Read Key Presses: Identify which key is pressed based on the row and column detected during scanning.
  5. Use in Application: Use the detected key press for the desired function in your application, such as entering a password or navigating a menu.

Caution:

  • Ensure proper connections to avoid short circuits.
  • Handle the keypad with care to avoid damaging the keys.

In stock

SKU: 0715 Categories: , ,

This keypad provides 20 keys on an 9-socket connector using a matrix system to detect which key has been pressed.

Perfect for adding user input to your projects or as a replacement to worn keypads.

Max circuit rating: DC 35V, 100mA
Dielectric withstand: 250VRms (50-60Hz, 1 min)
Insulation resistance: > 100M Ohm, 100V
Contact bounce: <=5ms
Life expectancy: 1 million closures
Operating temperature: -40 ~ +80°C
Fixing:  Self-adhesive
Connector type: 9 pin
Total length: 178 mm
Cable length: 104mm (including connector)
Size: 85mm x 73mm x 1mm

Additional Information

Weight 0.009 kg
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