Abstract: Aiming at the intelligent control problem of the trolley, a voice control trolley based on STM32 single-chip microcomputer is designed. The voice-controlled trolley can realize the movement ...

Reverse polarity is one of the most common causes of circuit failure, from hobby projects to industrial systems. The good ...

I programmed it with ESPHome, and it only took a few hours from start to finish.

Arduino is a microcontroller designed for real-time hardware control with very low power use. Raspberry Pi is a full computer that runs operating systems and handles complex tasks. Arduino excels at ...

Finally, eco-friendly music.