What are the differences between the double lens, single lens, silicon double lens, germanium double lens in the hot spot reactor infrared array sensor?
What knowledge do I need to use STM32F107+ DM9161AEP to make a data receiving and sending based on LWip? Why can't I use the functions in api.h after declaring it in the main function when using the r
I am developing a USB stream driver under WinCE. I have implemented the USBInstallDriver function. When I use ActivatedEvice to activate the device in the USBDeviceAttach function, GetLastError() retu