How to use and how to make photosensitive circuit board

Photosensitive circuit board, also known as photoprinting circuit board, is a photosensitive film evenly coated on the circuit board by direct light irradiation. The film in the place with light will be dissolved by the developer, and the photosensitive film without dissolution will remain on the copper skin of the circuit board, which will not […]

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What rules should be followed to draw a good PCB

PCB design is complicated, and various unexpected factors frequently affect the overall scheme. How can we tame the scattered parts with different personalities? How to draw a neat, efficient and reliable PCB? Let’s take stock today. PCB design seems to be complex, not only to consider the direction of various signals, but also to consider […]

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