Recently I have a need to add a serial port on a PPC machine. I thought of converting a CF card to a serial port. My machine is an HP ipaq hx2750 with a built-in CF slot. After I plugged it in, it pro...
[font=微软雅黑][size=3][color=#333333]A colleague forwarded a news report about Lei Xiaohua, a doctoral student in Communication and Information Systems at Communication University of China, who died sudd...
I am working on the wireless transmission of sim900 and need to upload a picture file of about 60kb to the server. I use TCP transparent transmission and find that the speed is too slow. I want to ask...
I am a sophomore, and I am working on a research project with several classmates at school, mainly wireless sensor networks. The content is roughly to detect the open and close status of the door, and...
CC2640 R2 is a low-power wireless MCU launched by Texas Instruments for Bluetooth Smart applications. The chip runs TI's BLE protocol stack and has the characteristics of low power consumption, rich p...