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 (http://catalog.gaw.ru/project/download.php?id=5886), 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...
Summing DC voltage and AC voltage with single supply voltage Why not use a non-inverting summer circuit? http://www.allaboutcircuits.com/vol_3/chpt_8/8.html has one, for example...
An inverting opamp summer won't work, as you expect - there...
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...
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-...
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...
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...
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...
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...
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...
Looking through the datasheet (http://catalog.gaw.ru/project/download.php?id=5886), it clearly states 1.95V Vcc max, as you say. I don't think Vcc is classified as an input in...
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...
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...
Just a quick google gave me this: http://en.wikipedia.org/wiki/Nomogram#Parallel-resistance.2Fthin-lens_nomogram :)
Why not use a non-inverting summer circuit? http://www.allaboutcircuits.com/vol_3/chpt_8/8.html has one, for example... An inverting opamp summer won't work, as you expect - there...
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