Re: Will it work :) (first SMD goofball project)
- From: don@xxxxxxxxxxxxxx (Don Klipstein)
- Date: Thu, 5 Jul 2007 00:16:06 +0000 (UTC)
In article <5vao83p3up33n9ukfqo3dm87j1lb98gibc@xxxxxxx>, James Lerch wrote:
Funny you mention the sparkfun site. I found it on you tube, and
watching him blob solder all over one side of that chip made me
cringe, then he pulled out the de-solder ribbon and I was like "Oh....
neat trick.." :)
I was also surprised just how relatively inexpensive this board turned
out to be. All said done, one board fully populated is going to run
about $25.00. I'll need 4 of them for the proto-type, and another 16
to finish the project if all goes well.
I developed my own way of soldering SMT parts, especially 0603 size
components:
1. Use tinned fine point tip on low wattage iron to solder one lead/end
of the part onto its pad - even if not well.
2. More properly solder the other end or remaining leads.
3. Solder properly the first connection.
As for getting a really small part such as an 0603 into place to begin
with:
1. Have a good fingernail on your index or middle finger on your
non-iron-holding hand.
2. Dip the fingernail edge into rubber cement.
3. Have the part handy on a convenient surface. Land the tip of your
rubber-cemented-finger (not the nail) near the part, with your
rubber-cemented fingernail tip over the part.
Using the landed fingertip as a pivot, lower your rubber-cemented
fingernail onto the part so that the part sticks onto your fingernail.
4. Similarly land your fingertip in an appropriate location close to
where the part has to go (typically requiring fingertip to land on the
board - ground yourself and board supply rails and the soldering iron if
static-sensitive parts are involved).
Using a fingertip pivoting method as above, lower the part into place.
5. Once the part is located well, tack one lead/end onto the PCB with a
tinned iron as above. Proceed from that point as above.
- Don Klipstein (don@xxxxxxxxx)
.
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