I read the set time and it is normal, but when I write the value to the alarm register of pcf8563 and then read it, sometimes it is the same and sometimes it is different. Why is this?
[color=#333333][font=arial, 宋体, sans-serif]Head Up Display DLP shows its advantages in this aspect[/font][/color][font=arial, 宋体, sans-serif][color=#333333]As shown in the figure:[/color][/font] [alig
It seems strange that there is no DFN10 package in the official library. The data says it is one-sided. I remember that the actual device seems to have welding on both sides. The device is CN3066, a l
I am drawing a PCB diagram, but I have been looking for a long time and I can't find the power jack package. And when I drew it, I didn't know how to draw it, so the hole is oval! ! Since it is my fir