For my graduation project, I accepted a task to send MMS using GPRS module, and I read all the information I found online. 01 02 83 01 45 6E 63 6F 64 69 6E 67 2D 56 65 72 73 69 6F 6E 00 31 2E 32 00 80...
In a smart community, a complete networked alarm system mainly includes: a user local alarm system, an alarm technology center, and a data exchange channel connecting the two. The user local alarm sys...
[i=s] This post was last edited by 181813753 on 2016-9-14 14:25 [/i] [color=#363636] As shown in the figure, yesterday's circuit is selected as follows, discard the small voltage group, and take C12 t...
My laptop is HP V3911TU, with a built-in modem. I want to use it to make a call. My steps are as follows: 1. Plug the telephone line into the modem and the microphone into the laptop (sound card); 2. ...