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How to avoid short circuit on DIY PCB board?

Development board
May 5, 2019 by John Romo 150

My board is connected to the power supply via a USB socket. I accidentally made a short circuit 2 times and almost burned the USB port of the computer. How to avoid this situation?

All Comments

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Karen O' Shea Posted on 2019-05-05

Visually inspect and use multimeter the PCB board before soldering. If there is no problem, start to DIY.
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Akaldeep Singh Posted on 2019-05-05

Recommended to use a multimeter to measure short-circuited after each soldering of one chip, so it is easy to find out where the problem is
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Kristiina Posted on 2019-05-05

Do not smash the soldering iron when soldering. If the solder is rubbed onto the soldering feet of the chip, it is difficult to find the problem.
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Kenneth Alvarez Posted on 2019-05-05

Open the PCB on the computer, illuminate the short-circuited network, and see where it is the closest , where is the easiest to connect. Pay special attention to the internal short circuit of the IC.
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Stephen Flett Posted on 2019-05-05

If short circuit happened, you can take a board to cut the line (especially suitable for single/double board). After secant, each part of the function block is energized separately, and excluded one by one.
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