Me amfani da infrared

Kamar yadda na'urorin lantarki ya zama dole don tsara data musayar amfani mara waya ta sadarwa. Mutane da yawa masana'antun na salon salula tarho, kwamfyutocin ko firintocinku har yanzu ba su kayayyakin da infrared sadarwa wajen. To, abin da yake da infrared tashar jiragen ruwa (IrDA) da kuma yadda za a yi amfani da shi? Abin da siffofin kamata a yi la'akari a cikin irin wannan hanya don canja wurin data?

A ake kira infrared tashar jiragen ruwa samun da sunan saboda da used zango. Shi ne 860-900 nm, Ina nufin ne a cikin infrared kewayo. By ta amfani da reducers, tsara don aika / sama data, mu samar da haxuwa, kamar wani sirri kwamfuta.

Akwai hanyoyi da dama don haɗa transceiver:

1. Domin na musamman IrDA-connector a kan motherboard. Mutane da yawa kamfanonin gaba na ta kayayyakin. A wannan yanayin, a lokacin da ka zaɓi na'ura, kokarin tsaya guda manufacturer na wadannan kayayyakin. Hankali karanta umarnin da shawarci dila.
2. Wasu iri radiyo suna tsara don aiki tare da COM- haši.
3. Kuma a karshe, na karshe hanya a haɗa shi da IR tashar jiragen ruwa - USB-haši. Wannan shi ne ya fi dace da lafiya - cikin sharuddan hardware da software karfinsu - wata hanya zuwa connect. Yawancin lokaci a wannan yanayin da tsarin kanta gano wani alaka IR watsawa da kuma fara aiki.

Ya kamata kuma a lura cewa wannan irin data - isasshen whimsical kuma ya bukaci a mai da hankali hali. Domin barga aiki na wannan fili kamar yadda wani infrared tashar jiragen ruwa da kuma wani transceiver dole ne a ware daga duk yiwuwar kutse. Wadannan dalilai dole ne a yi la'akari da:

1. Hasken rana kai tsaye.
2. Lighting da kyalli shambura.
3. Tasirin kusa da hada na'urorin da ciwon kama aiki manufa: ramut, video kyamarori, cordless phones, da dai sauransu ...

Bayan sama da drawbacks, sadarwa via infrared iyakance ta nesa. Kamar yadda yi nuna, akwai wani barga connection a nesa na ba fiye da 10 santimita, kuma a lokacin da ka cire fiye da 1 mita vuya gaba daya.

Amma, duk da dukan shortcomings, wannan hanya ya shahara da kyau gasa da wani mai waya dangane. Tare da shi da za'ayi aikin na'urorin kamar firintocinku, Scanners, wayoyin hannu da sauransu. D.

Amfani da sabis na mobile afareta, za ka iya haɗi zuwa Intanit, a cikin GPRS-connection. Yana da quite tsada, amma yana biya kashe a cikin dogon tafiyarka ko kasuwanci-tafiye. Wannan shi ne, duk inda ka bukatar wani m dangane da yanar gizo ( "NL" domin lokaci) da kuma kananan shigowa / mai fita zirga-zirga (tun kana caje shi). ISP a cikin wannan hali ne mai kamfanin da ya samar da wayar hannu da sabis.

A madadin mai girma ga IrDA ne Bluetooth. Na'urorin sanye take suna da kyau kwarai amo rigakafi, mai kyau dangane gudun. Za su iya aiki a nesa na 'yan dubun mita daga juna.