What is B93 on the circuit board? One end is connected to the D pole of the field effect tube. The voltage of both ends to the ground is 20v. The resistance is very small, 1 ohm. I suspect that the ca...
Why are all the checkboxes under "Select connection type" in my WinCE grayed out after opening "Start->Settings->Network and Dial-up Connections->New Connection"? That is, I cannot select options such...
Introduction to the Medical Analog Front End (AFE) Reference Platform The family doctor is not far away from us. Various portable medical devices are serving us in thousands of households and protecti...
I have collected some GPS data in a t.txt file, and now I want to send the data to a PC navigation software through a virtual serial port. But I have a problem with the sending. When I click once, par...
I am in Guangzhou and can work part-time as a software developer. I usually have time after get off work at 5 o'clock and on weekends. I have many years of experience in embedded Linux + Android devel...
Dear experts, I am here to ask for advice again. The following is the schematic diagram [img]https://12.eewimg.cn/bbs/data/attachment/forum/201608/09/095235z8fi86i4fiapuk68.bmp[/img] and the wavefor...