Post Created date
What's slowing me down?
Can you provide a disassembly of your code? Also, how are you taking the 100kHz measurement? Could it be aliasing due to the measurement method?
Saturday, 21 August 2010 - 06:46
What's slowing me down?
Let's see your code anyway. If what you say is true, your loop must be 80 cycles long. How are you "toggling" the pin?
Saturday, 21 August 2010 - 03:14
micro sd problem
zbaird wrote: Once again I am amazed at the implication that class assignments like this are given in a vacuum I'd disagree. The OP has evidently found us, and managed to get the...
Monday, 16 August 2010 - 01:51
AVR App for iPhone
There is this:
Sunday, 15 August 2010 - 16:48
How often do you guys use a debugger like the jtagice mkii?
clawson wrote: However if that sounds bad it's nothing - I downloaded CodeWarrior from (possibly the slowest HTTP server on planet earth) and it took about 12 hours...
Sunday, 15 August 2010 - 15:05
AVR Pocket Programmer from Sparkfun Electronics
Cross-posting is bad, because it pisses the people trying to help you out. Continue here?
Sunday, 15 August 2010 - 14:17
Low temperature design, what to consider?
sparrow2 wrote:Why! you can easy get them down to -55C In non-condensing environments. Guess what happens when water vapor gets in, and freezes.
Friday, 13 August 2010 - 02:33
Simple Low cost programmer for flash and Fuse updates
May I suggest building a standalone programmer with another AVR? It might be useful to hand the field techs a small hand-held device which they plug in, and push a button to...
Thursday, 12 August 2010 - 14:45
Dragon mods? (now with pictures)
I'm making a few guesses, because I am not the designer. D5/R1 seems to ensure a sharp drop when the /d_reset line is pulled in the downward direction. I'm guessing D3(BAS85) in...
Wednesday, 11 August 2010 - 16:00
Incomplete RFID Module Datasheet
I don't recognize the board, but google says the SOIC NXP part is a mifare RFID interface chip with a parallel data bus, and the QFP part marked MEGAWIN is some kind of 8051 or...
Wednesday, 11 August 2010 - 10:10
two timers using single 555
It should be apparent from the source that you simply modify to suit your duty cycle requirements, hook your frequency switch logic to the PB1 line, and magic comes out of the...
Sunday, 8 August 2010 - 09:28
two timers using single 555
sherazi wrote:LDEVRIES: can you plz share the circuit too, Circuit? What circuit? Have you LOOKED at the source?
Sunday, 8 August 2010 - 09:14