Dear experts and moderators, this problem has troubled me for nearly a week. I am very distressed and would like to ask for help.I used the transplanted ucos V2.86, and it can run normally under the f
[i=s]This post was last edited by hejunpeng on 2017-6-18 21:32[/i] [align=center][font=微软雅黑][size=5][color=deepskyblue][b]NUCLEO-L452RE evaluation board unboxing[/b][/color][/size][/font][/align][font
I want to use an 8155 to expand the IO port, so that port A can be used as a bidirectional IO port, and ports B and C can only output. It works in the simplest mode. I don't know how to initialize it.
For a system operating at 50 Ω , the impedance of a quarter wave length dipole antenna is approximately 37 Ω . Therefore, to obtain a 50 Ω antenna , the antenna length can be obtained according to the