8 key LED digital module: This module is ideal for a variety of applications including digital clocks, timers, display panels, and more. It features an 8 key LED digital tube for easy input and clear readouts, and is designed for straightforward integration with microcontroller projects. Display module replacement: A high quality replacement for your old defective display module with buttons for microcontrollers. It provides reliable operation and maintains compatibility with microcontroller based systems. LED digital tube: The design is simple yet practical, offering easy integration in microcontroller display modules with buttons and convenient operation in a compact form. Microcontroller LED digital tube with 8 keys: Delivers stable functions and performance, high reliability, easy operation and simple installation. This is an 8 key display module suitable for microcontroller projects. Use scenarios: - Build a digital clock or timer with input control using the 8 keys and the LED display tube. - Replace a faulty display module in a microcontroller project such as a measurement device, control panel, or hobby electronics project. - Create a compact display and input unit for home automation, dashboards, or hobby projects requiring a simple 8-key interface and LED readouts.