Manufacturing PCB circuit boards involves several complicated processes. 1: Film exposure: In this process, the mask or phot
(1) Provide mechanical support for fixing and assembly of various electronic components such as integrated circuits, realiz
1. The working current of straw hat LED lamp beads 1. The normal working current of 0.06W straw hat LED lamp beads is 20mA, a
LED lamp beads are divided into surface mount type (SMD) and direct insertion type (DIP). Surface mount is the patch th
Under normal circumstances, the quality of PCB circuit boards can be recognized only in appearance. For example, the quali
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