Abstract: The automatic detection system proposed in this paper mainly focuses on automatic welding errors detection for tantalum capacitors. Without manual labeling standard PCBs, it can ...

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Through-hole assembly means bending leads on components and putting the leads through holes in the circuit board, then soldering them in place, and trimming the wires. That took up too much space and ...

1 Introduction These notes explore the paper “Printed circuit board solder joint quality inspection based on lightweight classification network” by Zhang et al. We (i.e., our team) intend to apply ...

Here is a simple but inexpensive inverter for using a small soldering iron (25W, 35W, etc) In the absence of mains supply. It uses eight transistors and a few resistors and capacitors. Transistors Q1 ...