Electronics > Beginners

Make PCB for DIY SMD project

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JanJansen:
Hi, i have ordered a nucleo board with STM32H7.
I also would like to solder that chip in my own PCB.

Can i make a PCB with etching for SMD drag soldering ?, is it simple ?
I seen youtube movies where they print the circuit.

Else i should order PCB in china or something, only it is very expensive.
What would you reccommend ?, this will be a total disaster so i dont ruin a STM32 chip for first project, maybe make something simple.

thanks

admiralk:
Unless you already have everything to etch your own PCBs, it is cheaper to have them made. I was just notified, today, that my latest boards shipped, they cost $11 for 10 @34 X 70 mm. I am in no hurry, so chose the slow shipping, it will probably take 2 weeks before I see them. As long as they are less than 100 X 100 mm, most places charge $5 fo10 prototype boards. Shipping and time are the main expenses.

JanJansen:
Well, where can i order those ?
thanks

JS:
  I can make single sided PCBs in a breeze, when in a hurry I could span a board, populate it, test, redesign, etch a second board, populate it and test it in a night. Dual sided takes a bit longer, but I doubt it would take me two hours to make a single board. I have a "shitty custom system", I have a shitty mail service, so money is on the edge and time budget is usually blown by ordering over seas (local PCB manufacturers are crazy expensive and also take their time to make them) so I did expend a bit on tooling (a laminator for the toner transfer) and I can make 0.5mm pitch and dual sided PCBs with no problems.

  About the self etched PCBs for drag soldering, I understand they are usually better than standard PCBs as exposed tracks gives you space for taking the excess solder to, with solder mask is a bit harder to take the excess solder out. I don't know any other difference in them, if you can meet the tolerances for the device. BGA might be a different story as there are several limitations in the design, spanning out a big BGA in a DIY friendly PCB is quite hard, tiny BGA packages (4 balls mosfets comes to mind) should be no problem.

JS

MarkF:
Someone in another thread posted these $1.00US for three PCBs from SEEED until Sep 21
   https://www.seeedstudio.com/1-usd-for-3-pcbs.html

The last boards I had made were from Elecrow
   https://www.elecrow.com/pcb-manufacturing.html

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