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Any experiences with touch sensing?
I've got a small AVR project that would benefit from benefit from allowing a user to control more/less via simple tapping. If I implement this it has to be simple and cheap (and...
Saturday, 29 October 2011 - 20:07
How close can SMD parts be placed?
Simple question, I hope. For a reflow soldered board, what are the rules for how close SMD parts can be to each other? Any pointers appreciated.
Sunday, 16 October 2011 - 21:51
How to lay out SOT-223 package for good heat dissipation?
This is something I don't know much about. I need to lay out a pcb pattern for an SOT-223 voltage regulator, and I want to allow it to have some "reasonable" amount of board...
Friday, 7 October 2011 - 14:46
Looking for single row 0.100" sockets
I've been having quite a hard time locating single row 0.100" sockets that will take a standard 0.025" square pin. Machined pin break-off sockets are available but they're too...
Friday, 23 September 2011 - 02:29
Character LCD question - do you bother with R/W?
I'm designing up a little dev/edu board and I'm down to assigning my last bit. The choices are (a) LCD R/W signal, or (b) a 4th LED. Now I never use LCD R/W myself (always wire...
Tuesday, 20 September 2011 - 20:41
Tell me about getting boards assembled
Please... Being more a software guy, I've never had to deal with this. But now I've got a few board designs made up (PCBs in hand) and I want to have them assembled. Some thru-...
Thursday, 15 September 2011 - 18:11
PCB design files question
I'm confused (yes, I know...). In particular, I'm confused about how to include board outline info in the file package. I want to send out a PCB design to a couple of outfits...
Wednesday, 24 August 2011 - 02:55
What would you think of using a jumper to select crystals?
I have a potential requirement to design a board that would need to be configured for one of two oscillator crystals. I'm considering adding both crystals to the board and...
Friday, 19 August 2011 - 15:51
Question about LCD character displays
This is a question about the physical layout of LCD character displays - in particular, two-line displays like 16x2. And I'm referring to the type that have a single row of...
Tuesday, 9 August 2011 - 14:58
Electronic widget companies like Sparkfun?
I'd like to find (or build up) a list of companies that sell useful electronic gizmos for hobby and low-volume development needs. I'm not talking about component sources like...
Monday, 8 August 2011 - 02:18
Couple of PCB copper pour questions
I'm a software guy but I do an occasional PCB design as well. I'm doing a 2-sided 6" x 6" design now that will be sparsely populated (more connectors than anything else,...
Friday, 29 July 2011 - 14:58
More common 5.5mm power plug - 2.1mm or 2.5mm center?
Based on your experience, what is the more common 5.5mm power plug found on various wall warts - 2.1mm center or 2.5mm center? I'm designing a board that can take a wide range of...
Friday, 29 July 2011 - 01:03

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