[i=s]This post was last edited by jameswangsynnex on 2015-3-3 20:00[/i] The largest information and communication exhibition in Asia,sponsored by the Ministry of Information Industry of the People's R...
I have two GPRS modems. I can send AT commands to dial into GPRS through the serial port, which is equivalent to establishing two connections. When I connect to the server as a client, how can I contr...
How to ensure safety during on-site power electronic power supply testing?How to accurately test complex electrical signals, harmonics and efficiency?What to do if the desktop instrument is inconvenie...