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DT-I/O 4x4 Keypad Module is a 4x4 keypad module wich has 4 rows and 4 columns. This module can be used as the input device in digital security application, datalogger, attendance, speed motor controller, robotics, etc.

Dimension : 9,3 cm (L) x 6,8 cm (W) x 1,5 cm (H)

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Specifications :

  • 16 keypads (4 rows and 4 columns).
  • Fully compatible with DT-51 Low Cost Micro System, DT-AVR Low Cost Series. Also fully compatible with DT-51 Minimum System, DT-51 PetraFuz, DT-BASIC and another microcontroller modules.
  • Comes with example code.


Includes :

  • 1x DT-I/O 4 x 4 Keypad Module.

Application Note Table

Article File Desc date
[AN151] Ekspansi 2 Pin I/O AVR Menjadi 8 Input/Output

This application note will explain how to expand AVR's I/O pins. This application note uses DT-AVR Low Cost Nano System/DT-AVR Low Cost Micro System, DT-I/O I²C to Parallel Converter, DT-I/O Neo Relay Board, and DT-I/O 4 x 4 Keypad Module.

[AN109] Password Keypad

This application note will explain how to use PC-Link Serial PPI to read input signal from 4x4 matrix keypad. This application note uses PC-Link Serial PPI, DT-I/O 4x4 Keypad Module.