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Discussion Title Created date
USB-RS485 converter - change TX enable time?
I've got a generic ebay USB-RS485 converter that uses a PL2303 chip. No doc whatsoever. It seems to wirk fine (I can enumerate it, config it, open it and send data from a C#...
Tuesday, 3 January 2012 - 01:20
Source for twisted pair 26AWG?
Oddly, I'm having a hard time finding a source for basic unsheathed twisted pair stranded wire (26AWG, 24 is also a possibility). I'm almost convinced I'm using the wrong search...
Thursday, 1 December 2011 - 17:39
C question
This isn't a GCC question, but since there's no "General Programming" or "General C" forum, I'm guessing this might be a good place to ask. [yeah but - Bob would tell you that "...
Wednesday, 30 November 2011 - 22:00
How to attach flying leads to a component?
Suppose I have a leaded component (LED, photodetector, whatever) that will not be mounted on a PCB, and I need to connect it to some wires e.g. 24-28AWG. What are the standard...
Monday, 21 November 2011 - 16:46
LED total light output question
How can I estimate/compare the relative light outputs of LEDs with different viewing angles? These would be going into a highly diffuse container, so all I'm interested in is...
Sunday, 13 November 2011 - 06:32
What is the AVR Toolchain Installer?
I've been using AVR Studio 4 for years, along with WinAVR. Just today I decided on a whim to upgrade from 4.18 to 4.19, and suddenly it appears I need to install this new thing,...
Sunday, 30 October 2011 - 01:29
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