I soldered a 15K chip resistor on the circuit board. After the circuit ran for a while, I measured the resistance in a short circuit and found that the resistance value became 3.6K. I don't know what ...
Are the electromagnetic radiations of antenna engineers, RF engineers, debugging engineers, and EMC engineers serious? Are they harmful to the body?...
BENQ M23 dial-up Internet access problem. The executed commands are as follows: AT+CGDCONT=1,"IP","CMNET" OK AT%CGPCO=1,"PAP,,",1 OK AT$DESTINFO="211.103.040.171",1,9002 $DESTINFO:3", 1, <902 AT$NOSLE...
It is said that a man is independent at 30 and free from doubts at 40, and this is the main period of 10 years, so I chose to start over!!!Since September 2009, I came to this strange city, Nanjing, w...