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AVR 0/1 TWI Clock Generation
The following is just trying to work out/understand how the twi baud calculation for avr0/1 fits together and looking for another pair of eyes to confirm or correct (pick out any...
Monday, 3 February 2020 - 06:57
noinit section getting cleared by _do _clear_bss
I have been trying to figure out why my .noinit data is getting cleared on startup, but not having any luck. I have a tiny416 and mega4809, both show the same problem.   The...
Sunday, 30 June 2019 - 08:34
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

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