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solder pads as "jumper" how to, soldermask, etc...
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Kristian Blåsol 5 years ago
So I have seen before and had an idea of using SMD soldering pads close to each other as "jumpers" (see image). Meaning that I just put a small dab of solder on these two pads and that is the jumper. I did a testrun of PCBs and when I tried to solder them together, I had to slab on soooo much solder for them to connect. The pads seem to be very well Isolated from each other and this is ofcourse a very good thing usually so no shorts  will happen by mistake. But in my use case I WANT them to "short"... Could I resolve this by changing the soldermask, so the area inbetween the pads are within the masking, and that would somehow make it easier for the solder paste to "stick"? I would just like some ideas before I fix/try and order a new batch... Thanks in advance, ![solderpads_together.png](//image.easyeda.com/pullimage/s73u59YvPqQayVV7h44GcVGYC8Z1CDpXoYmcNzS3.png)
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andyfierman 5 years ago
You can move the pads as close as your Design Rules permit. You can also add Solder Mask to create a small region between the inner edges of the pads without solder mask: [https://docs.easyeda.com/en/FAQ/Editor/index.html#How-to-add-solder-mask](https://docs.easyeda.com/en/FAQ/Editor/index.html#How-to-add-solder-mask) Beware that if you specify a HASL ([Hot Air Solder Levelled](https://en.wikipedia.org/wiki/Hot_air_solder_leveling)) PCB finish then you may find these links end up soldered together during the PCB fabrication process. Similarly if you use a Solder Wave PCB assembly process.
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Kristian Blåsol 5 years ago
Thanks for lightning fast response :) I'll try the soldermask approach, and wont be using HASL /Kristian
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