[b]Grounding[/b] Grounding is a very important issue for electronic equipment. There are three purposes for grounding: (1) Grounding enables all unit circuits in the entire circuit system to have a co
I received a brand new ICOM IC-725 for collection and research. I found it easy to operate and good at receiving. However, the frequency had a 70HZ deviation. The voice of the HAM was out of tune at t
In the not too distant old society, going to school was a luxury. Many people could not step into the door of the school, let alone feel the fragrance of the text. In the feudal society, the Four Book
I recently participated in the school's electronic design competition, the topic was a simple wind tunnel, but I don't have the knowledge, so I turned to the masters of this site to teach me how to de
[size=10.5pt][b]IO pin configuration and input and output experiments[/b][/size][size=10.5pt][/size] [size=10.5pt][font=宋体]In the previous experiments, we have been studying ARM core things. In this e