Whenever there is a power outage at night, it is very scary and pitch black. The first thing that comes to mind is a lamp... At this time, only one of your lamps is still on. When you light a candle c
The debug interface software of LaunchPad is broken. How to fix it? Now the computer cannot find the device. It is almost certain that the hardware is not broken. I don't have a 4-wire JTAG, so a 2-wi
I want to make a USB ccid smart card reader device. The device description and endpoint communication are ready. The driver that works is Microsoft's usbccid.sys. After plugging it in, the hardware re
[Activity Purpose] Recently, a post by teacher quanzx, "[url=https://en.eeworld.com/bbs/thread-86444-1-1.html]A Design by an Expert[/url]", has attracted much attention from netizens, triggering a ser