In this thriving era of artificial intelligence (AI), developers can easily deploy Edge AI algorithms on edge devices. Keyword Spotting technology, using machine learning methods, enables microcontrollers to recognize human voice commands. By integrating voice control, these microcontrollers can execute specific operations based on these commands, providing users with a more intuitive and convenient interaction method. The practical application of this technology is wide-ranging, from household appliances to industrial control systems, all benefiting from the enhanced convenience and efficiency of voice control, especially in hands-free operation scenarios or where operational safety is paramount. As machine learning technology advances and microcontroller performance improves, we can anticipate that more devices will be able to understand and execute human voice commands, paving the way for a more intelligent and human-friendly mode of interaction.