Remote Control Key Mapping for Android Devices: A Comprehensive Guide from Low-Level Drivers to Application Layer

Remote Control Key Mapping for Android Devices: A Comprehensive Guide from Low-Level Drivers to Application Layer

🔍 Why is Remote Control Key Mapping Necessary? In scenarios such as smart TVs, set-top boxes, and in-vehicle devices, remote controls are core interaction tools. However, the differences in remote control protocols and key definitions among different manufacturers can be significant. Without proper mapping, key events may not be correctly transmitted to the application layer, … Read more

Mastering Two Key Microcontroller Programming Concepts

Mastering Two Key Microcontroller Programming Concepts

Layered Thinking The idea of layering is not something mysterious; in fact, many engineers working on projects are already using it themselves. I have seen many posts that do not mention this concept, yet layered structure is quite useful and once understood, it gives a sense of enlightenment. If I don’t understand how to drive … Read more