Package contents - TM1638 8-bit LED Keyboard Scanning 16-key Display Module, 1 piece Key features and benefits - All-in-one module provides an 8-bit LED display and a 16-key keyboard scanner powered by the TM1638 IC - Simplifies microcontroller wiring and software by using a common TM1638 interface for both display and keypad - Clear visual feedback for status, values, or menus with a compact, integrated package Compatibility and performance - Based on the TM1638 controller, a widely used solution in MCU projects - Compatible with standard TM1638-style interfaces on common development boards - Compact, single-piece module suitable for tight spaces and embedded panels Use scenarios - Embedded user interface for Arduino, microcontroller projects, or other controllers needing a 16-key input and display - Small control panel for a DIY clock, counter, or menu-driven device - Prototype panel for robotics, sensors, or home automation requiring user input and visual readouts