I have always used an external USB keyboard. Today, I accidentally pressed the laptop keyboard and found that numbers popped up after I pressed a few letters. I was so depressed.
For example, when I p...
Since the German physicist W.K. Reontgen discovered X-rays at the Institute of Physics of the University of Würzburg in 1895, which pioneered the diagnosis of human body effects, modern medical instru...
[i=s]This post was last edited by jinglixixi on 2021-3-22 18:20[/i]Recently, I have been dealing with software that I have never used before. I often spend a lot of time searching and installing softw...
Using the GD32E503V routine, the SDIO polling method reads the 32G TF card and a timeout occurs:
sderr = sd_block_read((uint32_t *)buff, (uint64_t)((uint64_t)sector9), 512);
sector=0x2000
The returned...
Abstract : Most single-chip control systems use control keys to implement control functions. Eliminating the jitter at the moment of keystroke is an issue that designers must consider. This article in...
When I first started, I didn't know what DuPont wire was, so I just used a soldering iron to solder the wire (I thought it was like this, it's a joke, right?). Later, I learned about DuPont wire, and ...