Electricity meter, GPRS module, computer. Using Delphi socket programming. May I ask: Does the server (PC) only need to set up the GPRS module and initialize it, or does it also need to set the baud r...
Generally, the method used to terminate an application is Findwindow, terminateProcessing. In addition to this method, are there any other methods? If not, what method can be used to prevent the appli...
Why does my 1602 LCD screen not respond after I write a program into it? When I power on, the lower row turns black and the upper row does not respond. I burned my written program into it and it was t...
[img]C:\1.gif[/img] The voltage value sampled from AC97 shows the charging process, which is roughly as shown in this figure. Explanation: When the battery voltage is 3.4V, it is the lowest voltage po...
I use STM32F103V8 to send a command (2 bytes) to the lower computer, and then wait for the reception to return. The lower computer returns a command (2 bytes) after receiving this command, but once ev...