If you want to play videos on a Linux board through the Qt interface, one option is to call the FFmpeg library to decode and play the video. This article first cross-compiles the FFmpeg library and tr
A high-precision sensor development board that supports Bluetooth wireless, using the SHT31 temperature and humidity sensor and the nRF51822 Bluetooth moduleThe manufacturer provides hardware producti
[i=s]This post was last edited by 1nnocent on 2021-6-3 17:26[/i]The LED of the microcontroller is as shown above. PE5 is connected to the IO of the microcontroller. When the PE5 level is set low, LED2
I2C (or I2C, Integrated Circuit Bus) is a two-wire communication form that is primarily used for low-speed communication between microcontrollers and peripheral ICs in short-distance, board-to-board a
[align=center][font=宋体][size=22pt]Electrostatic induction generator[/size][/font][/align] [align=left][align=left]Electricity has two characteristic forces: [/align][align=left] 1. Electromagnetic for