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Looking for M128 or M1281 proto board(3.3V)
I'm trying to find a header PCB/breakout board or whatever you choose to call it, for a Mega128(1) that will run at 3V3. I've looked through the offerings from Olimex, Sparkfun...
Friday, 14 May 2010 - 14:00
Buying pre-programmed from distributors.
Anyone know anything about European distributors who offer a programming service for AVR's?
Thursday, 18 March 2010 - 08:15
Measure supply voltage on ATtiny24
Am I right in thinking that I can check the supply voltage(battery) on my ATTiny24 circuit by setting Aref to Vcc and selecting the internal reference as the input channel? And...
Sunday, 28 February 2010 - 09:57
14 pin SOIC adapter for STK600
Does anyone make a 14 pin SOIC adapter for the STK600? I may need to program some ATtiny24/44/84 parts, and the final PCB is likely to be too tight on space for an ISP connector,...
Tuesday, 23 February 2010 - 16:33
Small problem with volatile.
I have 3 or four 16 bit variables that are used as timers. Because they are decremented to zero(and not below) in an ISR, they are declared as volatile. The problem I have is that...
Sunday, 14 February 2010 - 14:52
JTAG versus ISP
Here's a simple question that I could probably answer by reading datasheets. I may shortly have the luxury, for the first time in my life, of using JTAG(JTAG ICEMKII) for a...
Thursday, 11 February 2010 - 09:46
Persuading GCC to put my asm fonts/strings in low 64K of 128
As I understand things, GCC will attempt to place PROGMEM stuff in the lower 64K of an Mega1281's FLASH memory. My program has, for efficiency reasons, a couple of fonts and some...
Thursday, 28 January 2010 - 11:13
Problem with brown out
I have enabled the brown-out option, but still he refuses to stand down. What's going on?
Thursday, 4 June 2009 - 14:10
Can I stop GCC using a certain area of code space?
Because of a minor cockup(by me) with a bootloader, I have ended up unable to bootload anything into the 0xfc00 - 0xffff region of a Mega1281. You can probably guess how this...
Wednesday, 20 May 2009 - 18:36
Over-aggressive inlining violated my TWI bus timing...
and now I feel dirty. Or so I believe, I haven't managed to quite get to the bottom of this yet, but using the latest version of WinAVR (I have been using 20060125 since, well,...
Tuesday, 31 March 2009 - 16:05
WinAVR with AVR Studio
I don't know whether this rightly fits in this forum or the AVR Studio one, but it's such a dumb question that it probably doesn't matter anyway... I have been using WinAVR for...
Tuesday, 10 March 2009 - 18:41
Mirroring a VGA signal.
An old client of mine has an application where he wants to mirror a VGA(SVGA?) display, so that it can be viewed in a mirror. Apparently, a lot of smaller LCD screens have a...
Thursday, 26 February 2009 - 11:49