Payment solution solution-Apollo+TRF796X, the shortcomings of the old POS system, the advantages of TRF796X; the characteristics of the Apollo+TRF796X payment solution; the life cycle of the Apollo card
Due to space reasons, I want to make a via on the pad, but it is easy to leak tin. I thought of making a solid hole. For example, the outer diameter is 20mil and the inner diameter is 0mil. The top la
[i=s]This post was last edited by ksniper on 2021-6-21 16:15[/i]I am very happy to read the physical version of Zheng Huimin's book "Operational Amplifier Parameter Analysis and LTspice Application Si
I'm tinkering with AD7190. The data can be read, but sometimes it's wrong.Most of the values are correct, but sometimes they are very different.The program was written by another person, who said he u
I have had a strong curiosity and hands-on ability since I was a child. I wanted to know how everything worked and was fascinated by natural science. I still remember that I was criticized for making
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