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USB- using SOF packeys as time reference
Any usb experts around here? (I'm sure there are) I am playing around with a micro with usb support that was intended to be used with a crystal when using usb. However, I wanted...
Friday, 5 October 2012 - 21:27
Measuring uAmps (without a good meter)
I have a micro which I want to measure the 'deep sleep' current, but my meters are not up to the job. I have a Fluke 115 (I think that's the number), but its not a good meter for...
Saturday, 8 September 2012 - 16:38
sources of GPS module with MTK3339 chipset
I'm looking to get a few GPS modules with a MTK3339 chipset. Adafruit sells these, but haven't been in stock for a while ('in-stock in 5-10days' for quite a while). Are there any...
Wednesday, 25 July 2012 - 11:53
Simple 1 switch power control/user input
I am working on a hobby project, which includes a small graphics lcd, 3AAA battery holder, an opamp, and a micro. I'm at the point where I will mount the breadboards in a box, and...
Wednesday, 12 October 2011 - 12:06
Small pcb, assembly cost?
I have some of these- http://www.dipmicro.com/img/1/PC... which is a nice price, and a good idea for prototyping, but I'll say it- I hate soldering these surface mount devices....
Wednesday, 26 May 2010 - 12:27
LUFA USB Mass Storage Misuse
This is just ideas I have, and would like comments from those with usb knowledge on whether I'm barking up wrong trees. (I'm late to the USB scene). I have a USBKey, Dean's LUFA...
Thursday, 19 March 2009 - 14:35
libeerw.a (tastes great, less filling. maybe not)
Don't ask me why people reinvent wheels (for learning, I suppose), but here is my eeprom library (my 'wheel')- http://www.mtcnet.net/~henryvm/e... I was simply looking at the new...
Friday, 27 June 2008 - 21:16
1 cell alkaline to 5v & 12V
I am (attempting) to create a device the size of a credit card, which will need 5v and 12v from battery power. The power requirements for the 5v will need to run an avr + a couple...
Wednesday, 26 March 2008 - 19:05
4AvrAscii256 BabyBootloader (Christmas Edition)
http://www.mtcnet.net/~henryvm/A... I post this in the gcc forum, since this is written in gcc assembly (.S) and the non-gcc weanies wouldn't know what to do with it (don't tell...
Monday, 24 December 2007 - 22:16
Linker script- FILL command question
I want to fill unused program flash memory with a couple of instructions (cli,wdr). I don't think there is a way to do it without getting into the linker script(at least I haven't...
Saturday, 8 December 2007 - 17:28
T bit, does gcc ever use it?
I want to use the T bit, but would like to know if the gcc compiler would ever use it. I've never seen it, but that doesn't mean anything. I've tried to look at the source code (...
Tuesday, 27 November 2007 - 21:21
Use of F_CPU in .S source file
I have an app I'm working on that works ok with gcc 3.4.6, but 4.?.? will not work. One of the reasons is I have 90%+ asm code (no stack used, trying to minimize footprint on...
Friday, 16 November 2007 - 13:23

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