Showing posts with label stencil. Show all posts
Showing posts with label stencil. Show all posts

2022-05-19

Not using solder paste?

I made the mistake of ordering a board and not ordering the solder paste stencil.

So what to do - well, not a complex board, I tinned the pads and applied some flux as it is a bit sticky...


Then I applied the components. Now this is where I wish I had applied less solder to make it flatter as they did not stay put very well.

Getting flux on the tweezers was also an issue, so lots of cleaning.


Then I cooked in the oven the same as if I had solder paste.


To my utter amazement, it worked perfectly. I did put in a sonic cleaner, which did not help much in cleaning it up...


However, a nylon brush and some IPA, and bingo..


But the damn board works!

So there you have it - an option when you have no stencil!

QR abuse...

I'm known for QR code stuff, and my library, but I have done some abuse of them for fun - I did round pixels  rather than rectangular, f...