I first burned STEPLDR.NB1 at block 0, and the serial port print output was normal after startup; but after burning eboot.nb0, an error message was printed: ECC ERROR block 0x00000002 page 0x00000000,
The question is shown in Figure 1. I can't figure out why the answer is drawn like that. Only analyze the situation where Rw2 is at the top. The question shows a sawtooth wave generator. Because the s
I have an old TV. The original tuning circuit is old and the tuning voltage is unstable. Later, I removed the original potentiometer and replaced it with a volume potentiometer. It worked well at firs
[color=#000][font=Arial, SimSun]Since the potential of point E does not change under the action of differential mode signal, it is equivalent to being connected to the "ground"; and since the potentia