It seems that I can't find it. I bought a new hot air gun and a JMB363 card from Taobao. I didn't expect that the pins of the JS card were broken. Why don't you return it? Then I bought a new chip and
I would like to ask if the clamp meter (multimeter) is faulty if there are still numbers when it is not measuring? It keeps jumping back and forth, sometimes large and sometimes small.
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Digital Oscilloscope Operation Digital Oscilloscope Operation_National Taiwan Normal University_Teacher Zhang Guowei : https://training.eeworld.com.cn/course/5354Digital Oscilloscope Operation Digital