Post Created date
AC Mains as external source, timers and counters
Using mains supply to time long intervals (more than a day) is a great idea. The mains frequency is regulated extremely closely over a 24 hour period - in "developed" countries (i...
Monday, 12 July 2010 - 12:21
How to interface with a strange "switch"
I've seen loads of sucessful capacitive touch screen projects using just a simple counter and comparator - to me, it feels like a more robust solution than detecting zero-...
Wednesday, 7 July 2010 - 14:24
FT232 fails to enumerate with ferrite bead
Don't worry about the long post - that's actually a good thing. :) The only thing I can see is that in the "new" version (with ferrite bead), you're no longer connecting the RESET...
Wednesday, 7 July 2010 - 07:39
Programming for props (Question about K&R)
Try to dive in soon, is my opinion. But start simple. Get them LED's flashing! :) There's tons of good tutorials once you get the basic C syntax down. The good thing about the...
Wednesday, 7 July 2010 - 07:06
Sorry Guys, AVRGcc is crap....NOT!
smileymicros wrote:Change 'will' to may and you begin to have a point. Of course. Sloppy of me - I blame the afternoon drowsiness. Post edited. Edit: Just checked the timing of...
Wednesday, 7 July 2010 - 06:59
16x2 LCD problem
Quote: doesnt work ... More information please :) What does "doesn't work" mean? There's some really good people here, but they can't debug by telepathy yet. Is nothing turning...
Tuesday, 6 July 2010 - 14:36
LCD Display - mixed lines problem
Quote: Logcally, the display consists of two lines, each consiting of two parts. These map to the physical layout like this: Logical line 1, part 1 Logical line 2, part 1 Logical...
Tuesday, 6 July 2010 - 14:04
Max volt for AT25DF081
Looking through the datasheet (, it clearly states 1.95V Vcc max, as you say. I don't think Vcc is classified as an input in...
Tuesday, 6 July 2010 - 11:23
Sorry Guys, AVRGcc is crap....NOT!
Quote: we have another form – it/its. Agreed! Let us all call everyone 'it' and be done with it. Get rid of 'he' and 'she' forever. On topic (sorry!), it seems this discussion...
Tuesday, 6 July 2010 - 08:37
Handling high currents (~75A)
At such currents, it seems viable to investigate moving away from traditional wires and look at alternatives. Using solid aluminium bars to carry the current, for example. Not...
Tuesday, 6 July 2010 - 08:09
prog for choosing E24 Rs for given ratio
Just a quick google gave me this: :)
Monday, 5 July 2010 - 12:46
Summing DC voltage and AC voltage with single supply voltage
Why not use a non-inverting summer circuit? has one, for example... An inverting opamp summer won't work, as you expect - there...
Monday, 5 July 2010 - 11:54