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> Calculatoare - portul paralel

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Slider
post 21 Dec 2004, 15:24
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Caut pe cineva care se pricepe sa-mi dea un sfat legat de portul paralel de la un calculator. Eventual sa stie ceva si despre visual basic, C++, pascal


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vv
post 21 Dec 2004, 15:29
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detalii monser. Pune intrebarea


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GeorgeB
post 21 Dec 2004, 15:30
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fi mai comunicativ , adicatelea ...


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B31AYZ
post 21 Dec 2004, 15:30
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QUOTE(Slider @ 21 Dec 2004, 17:24)
Caut pe cineva care se pricepe sa-mi dea un sfat legat de portul paralel de la un calculator. Eventual sa stie ceva si despre visual basic, C++, pascal
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Salut ,

Mai exact ce te intereseaza .


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Ov
post 21 Dec 2004, 15:32
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am facut eu cand eram mic o interfata pe paralel cu care controlam o masinuta telecomandata.

In C e simplu, folosesti outp(port, octetul). Semnalul de iesire il gasesti pe pinii 2-9 si este semnal TTL (5V). Ca sa folosesti mai departe semnalul iti tb niste micro-relee.


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Slider
post 21 Dec 2004, 15:36
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Pai mie unuia imi cam place sa ma joc cu tot felul de sirme si tranzistori - citeste radioamator. Am gasit o schema de receptor care putea fi controlat cu ajutorul PC.
Mai exact spun cei de pe acel site ca daca stiu ceva limbaj de programare as putea scrie un program care va trimite la portul paralel (parallel door) un numar de la 0 la 255 care face nu stiu ce....
Mai bine pun aici textul original - in engleza ....

- If you know some language of planning as C ++, PASCAL, VISUAL BASIC, DELPHI etc you can write some program which will send in the parallel door (378 I) of PC a number from 0 until 255 checking thus the tendency of expense of simple D/A of converter (that it is in blue frame) and consequently and frequency of radio via passage VARICAP.

(As long as grows the number that sends in the parallel door, so much minimizes the frequency that receives the radio.)

si mai bine un link direct la site:
http://www.electronics-lab.com/projects/rf/020/index.html

This post has been edited by Slider: 21 Dec 2004, 15:38


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GeorgeB
post 21 Dec 2004, 15:43
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pai si ai vrea sa-ti scriem noi un programel care sa faca chestia asta ?

pai ca sa-l citez pe domnul mares , si pe domnul cozma totodata : suntem in economia de piata.


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cbuhu
post 21 Dec 2004, 15:55
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QUOTE(Ov @ 21 Dec 2004, 17:32)
In C e simplu, folosesti outp(port, octetul). Semnalul de iesire il gasesti pe pinii 2-9 si este semnal TTL (5V). Ca sa folosesti mai departe semnalul iti tb niste micro-relee.
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In Win NT/2k/XP nu se poate asa, trebuie niste drivere intermediare.


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Slider
post 22 Dec 2004, 08:04
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Stai bre nene George ca daca aveam bani luam ceva de fabrica....si oricum placerea de a surubari unde mai este? Eu am intrebat numai daca este posibil cu adevarat asa ceva. Ca dupa aia vreau sa ma ocup eu de chestia asta... rolleyes.gif


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Smiley
post 22 Dec 2004, 09:19
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QUOTE(Slider @ 22 Dec 2004, 09:04)
Stai bre nene George ca daca aveam bani luam ceva de fabrica....si oricum placerea de a surubari unde mai este? Eu am intrebat numai daca este posibil cu adevarat asa ceva. Ca dupa aia vreau sa ma ocup eu de chestia asta... rolleyes.gif
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da, este posibil. spor la treaba!


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Slider
post 22 Dec 2004, 09:22
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Mersi! Ii dau eu de cap pina la urma. wink.gif


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