Hi, it's a pleasure to come to the forum to meet all my friends, I am from Chongqing, China, I am an enthusiast of electronic circuits, and I am now doing computer sales and maintenance. Since I was a child, I like to disassemble electronic devices, I am obsessed with electronic products and always want to study how they work, and I am happy to be shocked in time, which makes my technology improve very quickly, and I also like this job, I hope to study and discuss with friends in the future, so that each other can break through some technical difficulties and make progress together, and work ...