Last time we talked about using an oscilloscope to measure the signal of the car's air flow meter. This time we will talk about using an oscilloscope to measure the car's oxygen sensor. The oxygen sen
[align=left][font=微软雅黑][size=12.0pt]The capacitor Ci next to R4 is equivalent to an open circuit for DC, so the DC component is not amplified; it is equivalent to a short circuit for AC, so the AC amp
[size=3]I didn’t participate in the 432 group purchase activity last time, but I finally caught up this time and moved 3 basic materials. The access speed of the forum is still much faster than the of
This picture was taken during the day, it would be even better at night.Street scene at night In front of the supermarket The best Christmas tree I have ever seen A good billboard Scene in the square