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Discussion Title Created date
low cost / low part / slow speed contactless communication
Hi, I'm looking for a REALLY simple contactless method of providing a serial data stream between a sealed 'AVR' and external controller. I'm thinking in the 300-1200 baud type...
Tuesday, 17 June 2008 - 01:06
AVR controlling subsystem via FET (minimum power usage)
Hi, My problem: Mega324P running at 5V, wanting to control a subsystem running at 7.5V, upto about 500 mA. I need to control the high side of the subsystem (ground will remain...
Sunday, 1 June 2008 - 05:40
ARef > Vdd - Battery sensing
Hi, I'm starting to think about a low consumption embedded application which will have a nominal 7.4V battery supply plus a 5V low quesicent regulator at an ATMega32xxxx. If I...
Wednesday, 28 May 2008 - 03:17
Forcing a specific memory location for a variable
Hi, I'm using Win-AVR / GCC and I need to keep a counter check (/branch) down to minimum instruction count (it is in an inner loop). With a simple 'volatile char my_variable'...
Thursday, 16 August 2007 - 09:59
AVR-GCC bug? - static vs non static functions
Hi, Can someone please assist by compiling this snippet and try running it on another ATMega324P. I'm tearing (what I have left of) my hair out, after 2x Megas, 2x 232 drivers, 3...
Tuesday, 24 July 2007 - 07:27
volatile variables, function problems - GCC bug??
Hi, I'm fairly new to AVRs Interrupts, but have used C for a while. I've been bashing my head against this for 3 days / nights - another set of eyes would be welcome. ATMega324P...
Friday, 20 July 2007 - 11:35
BitBang Slow Speed Debug Serial Output
Hi, I'm trying to get my head around bitbanging a very simple / slow serial output (non UART) (I'm using the other 2 UARTs on the 324P - 18.432 main Osc, no clock divider). Basing...
Wednesday, 11 July 2007 - 06:17
First day - Mixed progress
Hi, Mixed day, it was going well.... AVR Studio 4 (4.13/528) on XP Pro WinAVR / GCC - 20070525 ATMeta324P on a bread board, 5V supply AVRISPmkII USB (upgraded via studio) Got my...
Sunday, 8 July 2007 - 10:45
Sanity check / newbie questions
Hi Complete newbie to the PIC/AVR world - have some back ground in basic electronics and C. I've seen some 'kits' but would like to work through design, build process and learn...
Wednesday, 20 June 2007 - 01:31