I made a core board, which consists of LPC2220+39VF16011+IS62WV51216. It is a four-layer board, with a power supply layer and a ground layer in the middle. The original requirement was to achieve low
I recently bought an eZ430_CHronos watch, but I don't know how to operate it. I was dumbfounded by the English manual. I don't even know how to change the time. What should I do? I guess many people i
[font=楷体,楷体_GB2312][size=4]Time flies, and another year has passed in the blink of an eye. The EEworld community is about to enter its 9th year. Along the way, of course, friends in the EEworld commun
I have been in the electronics circle for many years and have read a lot of forums, but I found that a low-level mistake I often see over the years is that too many people in China talk about the exce
I would like to ask all the experts: When the ESP32's micropython serial port receives 2 bytes, it uses any(), and the return value is 2. Then it uses read() to read it out. When it continues to recei
[p=26, null, left][color=#333333][font=Arial][size=14px]Today I calibrated the touch screen under Android. Please note that the touch screen may be different. We are currently using a single-point res