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May 25, 2013, 10:44:23 am
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tazma
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rs232
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November 08, 2011, 12:34:47 pm »
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hola compre esto en dx pongo el enlace aqui por si el vale a alguien
http://www.dealextreme.com/p/rs232-serial-port-express-card-adapter-blue-black-silver-101467
y una pregunta que ya se que sera tonta pero comolo ignoro
que servicio le puedo dar a esto con arduino si es que se puede
salu2
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cuchara
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Re: rs232
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November 08, 2011, 12:39:38 pm »
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creo que puedes obtener muchos ejemplos y vídeos en google (es para la comunicación serial ) busca en google ...
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tazma
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Re: rs232
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November 08, 2011, 03:03:06 pm »
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ok pegare un repaso por google gracias
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SrDonGato
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Re: rs232
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November 08, 2011, 03:49:04 pm »
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acabo de llegar de viaje y ya lo tengo en casa yo tambien.
el uso que se le da a este elemento es el de adaptar las señales de RS232 normal ( por ejemplo el del ordenador, algun modem externo, u otro elemento que use rs232) a niveles TTL (de 0 a 5 voltios) que son los que utilliza nuestro arduino.
si lo conectas directamente te lo puedes cargar.
un saludo
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tazma
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Re: rs232
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November 08, 2011, 04:09:43 pm »
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si lo conectas directamente ? al pc, al arduino , eso no lo e pillado
salu2
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SrDonGato
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Re: rs232
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November 08, 2011, 05:06:32 pm »
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si perdona, si conectas directamente los pines TX al RX y RX al TX , del ordenador (u otro equipo que tenga RS232) directamente a arduino, te lo puedes cargar pues funcionan a distintos niveles de tension.
por eso se usa este dispositivo
un saludo
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