The inventor of the printed circuit board was Austrian Paul Eisler , who used the printed circuit board in a radio device in 1936. In 1943 , Americans used the technology extensively in military radio
[size=4]Manually set the time at each boot[/size]My current system version does not have the NTP service installed for setting the time. Since the board does not have a battery, the time can only be s
I am planning to buy a domestic oscilloscope and I have my eyes on two brands, one is Dingyang Oscilloscope and the other is Puyuan. I wonder which one is more cost-effective?
The perpetual calendar made with 51 single-chip microcomputer can be displayed normally on 0.56-inch, but it is not displayed normally on 1.8-inch, and garbled characters appear. What is the problem?
An oscilloscope is an electronic measuring instrument with a wide range of uses. It can transform invisible electrical signals into visible images, making it easier for people to study the changing pr