PCB Through Hole
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This short video is not a hobby board by the way. Another alternative is to use a prototype board house (search google for prototype pcb) these companies will combine projects from many customers to produce low qty boards. Often you can get a 2 layer board for about $35/ea. These boards will be plated like in this video (usually tin/lead solder not gold though)
3dPCBdesign 11 months ago
Conductive holes in PCB's are typically an electro plating process. The process is not common for a hobby level PCB. For hobbyist, using a jumper wire, using surface mount parts, or existing leads of IC's resistors to connect one layer to another is more efficient.
3dPCBdesign 11 months ago
I can't recommend a brand because I just grab the first one I see. It is conductive paint and non resistive. The one I used I think was called CRL but I'm not exactly sure. it has been awhile since I've worked on PCBs and I'm just getting back into it.
ddzahn 1 year ago
@ddzahn Interesting... Can you recommend me a brand name or something else Googlable?
Gameboygenius 1 year ago
There is a very easy way to do this at home. Go to your local car parts store and buy the stuff to repair a rear window defroster. It is a liquid and conductive and when it dries it is durable.
ddzahn 1 year ago
In industry, they dip whole array of circuit boards to solution and apply it by passive electrolysis or other chemical process.
xpawnn 2 years ago
This is a high resolution microscope's video. 99.999% of DYI don't have $ to buy or having access to this type of instrument. It's a PCB through hole all right, but it seems to be made by the normal plating process, not any technique doing at any home DIY.
MadDogExtra 2 years ago
I had been thinking of jumper wire too. But if I had 100 holes, it'll easier to dip it or spray it.
JustMakingComments 2 years ago
why dosent you just use a jumper?
dumle29 2 years ago
I believe it looks like a coating of some kind, you can see how the copper sticks to the inner contour of the rough walls. I have this thing called 'copper spray' used on car head gaskets. I don't know if I should try that.
JustMakingComments 2 years ago