The ESP32-S2-Kaluga-1 kit is equipped with an LCD display, which can be used for human-computer interaction. However, an error message appears during the compilation and download of the routine progra
Humidity sensitive capacitors (English name: humicap) are generally made of polymer film capacitors. Commonly used polymer materials include polystyrene, polyimide, cellulose acetate, etc. When the am
[i=s]This post was last edited by wangerxian on 2022-4-28 14:28[/i]I believe many friends have used electric mosquito swatters.
Electric mosquito swatter is very effective against small insects such a
[i=s]This post was last edited by dcexpert on 2021-10-19 12:06[/i]A bike is incomplete without a computer, so I equipped it with one. Although GPS computers have many functions and good effects, their