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| Search found 10 matches |
| Author | Message |
|---|---|
 Topic: Isolating the circuit. |
|
| jtgoulart Replies: 8 Views: 8769 |
 Forum: General CCS C Discussion Posted: Mon Mar 26, 2007 10:52 am Subject: Isolating the circuit. |
| I need that the photocoupler answer at 30Khz. I'm using one of 80Khz, but the wave is deformed. | |
| Topic: Isolating the circuit. |
|
| jtgoulart Replies: 8 Views: 8769 |
Forum: General CCS C Discussion Posted: Fri Mar 23, 2007 6:54 pm Subject: Isolating the circuit. |
| Hi friends,
I need to isolate the pic circuit from a font of 30V. The pic will go to turn on or turn off the font. But I don't know how make it. I tried to use a photocoupler, however I can't ... |
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| Topic: Executing two tasks at the same time. |
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| jtgoulart Replies: 2 Views: 4199 |
Forum: General CCS C Discussion Posted: Tue Mar 20, 2007 6:30 pm Subject: Executing two tasks at the same time. |
| OK, I'll try it. Thank you by the help. | |
| Topic: Executing two tasks at the same time. |
|
| jtgoulart Replies: 2 Views: 4199 |
Forum: General CCS C Discussion Posted: Tue Mar 20, 2007 2:44 pm Subject: Executing two tasks at the same time. |
| I'm using the pic 12f675 to make two diferent oscilatory frequencies. While one is on High, the other is on Low.Unfortunelly there's a little delay between both of them. Is there a way to make these t ... | |
| Topic: Problem in coupling pic-relay |
|
| jtgoulart Replies: 10 Views: 10670 |
Forum: General CCS C Discussion Posted: Wed Feb 21, 2007 11:42 am Subject: Problem in coupling pic-relay |
| Seriously, this is _necessary_. Especially the small cap close to the chip.
Ok, I made it. But the problem continues... |
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| Topic: Problem in coupling pic-relay |
|
| jtgoulart Replies: 10 Views: 10670 |
Forum: General CCS C Discussion Posted: Mon Feb 19, 2007 1:46 pm Subject: Problem in coupling pic-relay |
| I'm using nothing this... | |
| Topic: Problem in coupling pic-relay |
|
| jtgoulart Replies: 10 Views: 10670 |
Forum: General CCS C Discussion Posted: Mon Feb 19, 2007 10:50 am Subject: Problem in coupling pic-relay |
| The wrong in the ocillator isn't important. It's a trick.
The diode is used to prevent a return of the current . I'm using a diode NI4004. I don't know the indutance of the relay coil... I go to thi ... |
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| Topic: Problem in coupling pic-relay |
|
| jtgoulart Replies: 10 Views: 10670 |
Forum: General CCS C Discussion Posted: Sat Feb 17, 2007 11:48 am Subject: Problem in coupling pic-relay |
| I hope you understand my rough draft... | |
| Topic: Problem in coupling pic-relay |
|
| jtgoulart Replies: 10 Views: 10670 |
Forum: General CCS C Discussion Posted: Sat Feb 17, 2007 11:31 am Subject: Problem in coupling pic-relay |
| What are you using as an oscillator to drive the PIC?. You have a #ROM line, which suggests you feel you need to load the internal calibration value (needed if this has been erased, and you want to ru ... | |
| Topic: Problem in coupling pic-relay |
|
| jtgoulart Replies: 10 Views: 10670 |
Forum: General CCS C Discussion Posted: Fri Feb 16, 2007 10:18 am Subject: Problem in coupling pic-relay |
| I have been trying to connect a font in the pic to activate an relay. The objective is to make an air pump turn on and off in a regular time (on aprox 5 min and off aprox 20min), but the time precisi ... | |
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