Yaya za a rubuta koda don ranguna amsa LED strip?

Shigar da kullun kuma na led yana buɗe damar da ba ta da iyaka don tasirin haske mai ƙarfi a cikin gidaje da aikace-aikacen kasuwanci. Ba kamar madaurin LED na gargajiya ba wanda ke aiki azaman naúrar guda ɗaya, madaurin LED mai ba da adireshi yana ba da ikon sarrafa pixel na LED na mutum, yana ba ku damar tsara kowane pixel da kansa tare da ƙayyadaddun ƙimar launi da jerin lokaci. Wannan yana sa hasken da aka saka a cikin gida ya zama mai haske sosai kuma yana nuna abubuwa da ke faruwa a lokacin da ake so.

Kamarin da yadda ake amfani da RGB LED strip wanda za a iya shigarwa shine babban abu don fahimci kafin zama cikin tsari na raguwar launuka. Amince ne ake bukatar saitin hardware, zaɓi na software, da kuma yadda ake rubuta code wanda ke taka kira daga controller zuwa kowane node na LED. Idan kana buƙata samun iluminashin gida, efekti na stage, ko kuma iluminashin na ƙasa, kamarin wannan mawduu zai ba ku damar samun iluminashin mai kyau ba tare da amfani da solushin na iluminashin wanda aka rubuta su a baya da kudin yawa.

Kamarin da yadda ake amfani da Addressable LED Strip Architecture

Yadda ake amfani da Smart Addressable Lighting Systems

Kullum kwayoyin LED da ke iya aikatawa suna da kwayoyin LED da ke iya aikatawa da kuma microcontrollers da suka daga baya na kullum pixel. Wadannan chips suna samun sinyali na bayani na digital wanda suka fassara bayanin launin don kananan red, green, da blue. Idan amfan ya zo zuwa kwayoyin, kwayon farko yana karanta bayanin launin da aka ba shi, yana bada sinyalin da baya zuwa kwayoyin na gaba, kuma kullum pixel na gaba yana zama aiki ne kamar haka. Wannan tsarin koyon kewaye yana taimakawa wajen aikatawa kwayon LED na farko ba tare da koyon kewaye mai ƙarfi don kullum kwayo.

Kontroler yana bada bayanin da suka kashe bayanin launi na 24-bit don kullum kwayo da kwayo a lokacin da ke cikin kwaye. Kullum sistemomin RGB LED da ke iya aikatawa suna aiki a lokacin da ke fi 800 kHz, wanda ke taimakawa wajen koyon launin da ke cikin kwaye da kuma aiki da kwaye a lokacin da ke cikin kwaye. Fasahar wannan tsarin yana taimakawa wajen aikatawa kwayoyin da suka daga baya da kuma taimakawa wajen gano masu kuskure na koyon kewaye.

Tsarin Bayanin Da Suke Samu

Kamarun yadda ake amfani da LED strip wanda aka shigar da su suna haɗawa da WS2812B, APA102, da SK6812, kuma kowanne shine yana da zaman lafiya da formatin bayani. LED strip na WS2812B suna amfani da su a cikin al'adu na mutane saboda kayan aiki da su masu ƙarfi da duk support na kumuniti. LED strip na APA102 suna ba da kyau na raguwa da kuma yadda ake gudanar da su yana ƙarfi, wanda ke sa muhimci don amfani da su a cikin al'adu na mutane. Kallon yadda ake amfani da LED strip ke taimaka muku in zahiri software wanda ke haɗawa da su da kuma rubutu code wanda ke haɗawa da hardware na LED wanda aka shigar da su.

Sakawa Hardware na ku don Rubutun Ragowa

Abubuwan da suka daga baya da Kafa da Kafa

Don yin kafa launai a cikin kwayar LED na iya amfani da shi, kuna bukatar microcontroller, supply na wuri, taliyar bayani, da kuma taliyar gudunmawa (wanda ake amfani da shi ba ne maimakon abu). Boards na Arduino, Raspberry Pi, da controllers na NodeMCU suna da kyau a cikin projects na DIY saboda su ke taimaka wajen amfani da wasu hanyoyin rubutu da suka nemo library documentation mai kyau. Taliyar bayani ta kawo zuwa GPIO pin na maimakon abu a controller raku, yayin da supply na wuri ta ba wuri da voltage wanda ke cikin shawara na kwayar ku. Kamar yadda ake fahimta, kwayoyin RGB LED na iya amfani da shi suna bukatar wasu supply na wuri na maimakon abu ba tare da yin amfani da microcontroller don samun kariya mai kyau.

Daidaitaccen tushe tsakanin mai sarrafawa da kuma samar da wutar lantarki yana hana tsangwama na sigina kuma yana tabbatar da sadarwa mai dogara. Don tsayi mafi tsawo fiye da mita 5, ƙara maɓallin daidaitawa tsakanin mai sarrafawa da layin bayanai yana kare microcontroller daga spikes voltage. Gwada kowane haɗi tare da multimeter kafin amfani da wutar lantarki yana hana lalacewar kayan aiki mai tsada kuma yana tabbatar da sarrafa pixel na LED ɗinku yana aiki ba tare da matsala ba.

Zaɓan Wurin da Ya Dace

Lissafin bukatun wutar lantarki yana da mahimmanci ga shirye-shiryen RGB LED. Kowane pixel yana cinye kimanin 60 milliamps a mafi girman haske lokacin nuna farin. Ƙara wannan darajar ta yawan adadin pixels da kuma amfani da factor na 1.5x na aminci yana samar da darajar wutar lantarki da kake bukata. Alal misali, wani 60-pixel strip na bukatar kimanin 5.4 amperes a 5 volts, don haka ya kamata ka zabi wani 9-10 ampere samar da wutar lantarki. Ƙananan ƙarfin wutar lantarki yana haifar da raguwar ƙarfin lantarki wanda ke lalata siginar bayanai kuma yana samar da launuka marasa daidaituwa.

Matsayin Fassara da Kaidodin Rangwani

Rubutu Na Kwanaki Ta Uku Rangwani

Duk wani daga cikin ƙarshen fassarar rubutu yana ba da karamarai wanda suka saita yadda ake amfani da mazanin rangwani na gaba daya. Masu amfani da Arduino suna amfani da karamarai na FastLED ko Adafruit wanda suka taima kalmomi na yadda ake amfani da su. Tsarin rubutun ku na baya ya kashe kammalinsa na mazanin rangwani, sannan ku sanya rangwani na kowane pixel ta hanyar nilai na RGB, sannan ku bayyana bayanin ku zuwa mazanin rangwani na gaba daya. Misali mai kyau yana sanya rangin dukkanu zuwa pixel na farko ta hanyar sanya dukkanu zuwa 255 kuma gurasa da tsaki zuwa 0, sannan bayyana bayanin ku zuwa kammalin.

Daga wannan asalin, za ku iya bukata kudin da suka cika rangwani, yadda ake cire rangwani, ko yadda ake amfani da bayanin sensor. Bayanin muhimmi shi ne cewa ake amfani da kowane pixel na LED don yadda ake amfani da kowane mazanin zuwa kammalin. Karamarai suka nuna nilai na rangwani ga kowane pixel, wanda ke ba da imkanin rubutu na kudin mai murabba wanda ke amfani da kowane frame da kuma yadda ake cire kudin zuwa kammalin.

Kamfanin Farko na Rangunin da Kafin Samun Alamarai

Kuwa da kammalawa kamfanin farko na rangunin zai bukata yin tattaunawa a tsakanin rangunin farko da wadanda suka zuwa a cikin ƙaramin rukuni. Tattaunawa na linear zai sanya rangunin a tsakanin biyu a cikin ƙaramin gaba daya wadanda suka zuwa a cikin lokacin da kuka so. Fungin exponential zai iya kara ko kara yancin tattaunawa don samun hanyar mai dacewa. Almarai na rainbow zai tattauna a cikin rangunin a cikin karamin almarai ta yanka alamarai na hue yayi amfani da saturation da brightness wanda suka dace, wanda ya nuna yadda almarai na RGB LED strip libraries suna iya sanya fungin matattalin don yin tattaunawa na rangunin.

Kamfanin na yadda ake sauyi daga cikin kwayoyin da suka hadu da zazzagun da ke cikin kwayoyin LED suna bukatar amfani da tsarin da ke shirya zaman daidai. Amfani da controller na uku (master controller) wanda ke haɗawa da bayanin da ke cikin kwayoyin LED suna taima daidai a kewayoyin da suka hadu da zazzagun, wanda ke nuna daidai a kewayoyin da suka hadu da zazzagun. Ayyukan da ke ƙara kwayoyin da suka hadu da zazzagun kamar kewayoyin da suka hadu da zazzagun ta hanyar daidai, wanda ke ba da imkanin kuma kewayoyin da suka hadu da zazzagun a cikin kewayoyin da suka hadu da zazzagun, wanda ke nuna daidai a kewayoyin da suka hadu da zazzagun. Wadannan ayyukan da suka faru a lokacin da suka hadu da zazzagun suna canza kewayoyin da suka hadu da zazzagun daga kewayoyin da suka hadu da zazzagun zuwa kewayoyin da suka hadu da zazzagun da ke cikin kwayoyin da suka hadu da zazzagun.

Kuskuren da kewayoyin da suka hadu da zazzagun da kewayoyin da suka hadu da zazzagun

Matsalolin da suka hadu da zazzagun da kewayoyin da suka hadu da zazzagun

Ranƙu-ranƙun da ƙarfi na yawa yana nufin ƙarfi na karami ko ƙarfi na bayani mai zafin. Ku duba cewa ƙarfi na sauyin ku ta ba da ƙarfi mai tsayi a lokacin da aka jiya, kuma ku sanya ƙarfi na bayani a wajen farko na piksil don gudanin ranƙu. Idan kowace piksil ba su aiki daidai ba, ku duba ranƙun bayani da kuma ku duba cewa dukkanin haɗin su ke amfani da haɗin mai kyau. Ku amfani da tashin bayani na LED piksil don rubuta piksil na musamman don ranƙun da suka gabata don fahimci abin da ke aiki daidai ko ba daidai a wasu abubuwa.

Kuskuren bayani yana zuwa ne domin kuskuren lokaci ko nasa kamar yadda ake amfani da library. Ku duba lokacin da ake amfani da ranƙun LED don duba cewa bayaninka ta hanyar rubutu ta ba da lokaci mai kyau. Wani daga cikin library na LED na RGB suna bukatar lokaci na MCU don zama mai kyau, saboda hakan ku duba cewa lokacin da ake amfani da board ya dace da abin da library ta bukata. Ku rufe serial debugging don fahimci cewa controller ya ba da bayani na ranƙu mai kyau idan ranƙun na musamman ba ta nuna ranƙu ba.

Kawo Kariya na Farko don Samunin Daga Zazzau

Zazzau na LED da suka faruwa a cikin kariya mai yawa da yawa wanda ya ƙare 500 pixels suna ci gaba daya na hanyar amfanin memory da kuma amfanin processing. Kawo kariya na bayanin rangi ta hanyar amfanin system na palette zai taimaka wajen gyara amfanin memory a matsayin amfanin RGB mai zuwa ga kowane pixel. Amfanin frames na animation a baya kuma amfanin su a flash memory zai taimaka wajen samunin playback mai kyau ba tare amfanin overhead na real-time ba. Gudunmawa na zazzau na kariya a cikin kariya masu farko da suka faruwa a cikin microcontrollers masu farko zai taimaka wajen gyara amfanin processing da kuma zai taimaka wajen gyara refresh rates a cikin network na smart addressable lighting.

Babban Tambayoyi

Shin akwai farko tsakanin addressable da traditional LED strips?

Strips na LED na gargajiya suna aiki azaman raka'a guda ɗaya inda duk pixels ke nuna launi ɗaya a lokaci guda. Strips na LED masu ba da adireshi suna ba da damar sarrafa pixel na LED na mutum, yana ba da damar kowane pixel don nuna launuka daban-daban da kansa. Wannan damar magance mutum yana buƙatar haɗin microcontroller da shirye-shiryen da ya fi dacewa amma yana ba da damar haɓaka mafi girma idan aka kwatanta da hanyoyin hasken gargajiya.

Zan iya tsara launuka masu amfani da LED ba tare da kwarewar coding ba?

Haka ne, yawancin dandamali masu amfani da aikace-aikacen wayar hannu suna ba da ƙirar zane don sarrafawa na RGB LED wanda za'a iya tsarawa ba tare da rubuta lambar ba. Aikace-aikace kamar Magic GIDA aiki tare da jituwa sarrafawa don ƙirƙirar effects ta hanyar ilhama menus. Koyaya, koyon shirye-shiryen asali yana buɗe zaɓuɓɓukan keɓancewa masu ci gaba sosai kuma yana ba ku cikakken iko akan halayyar haskenku mai hankali. Farawa da zane-zane na Arduino mai sauƙi yana ba da kyakkyawar hanyar shiga ga masu farawa.

Yaya ƙaramin piksel suka iya aikata wani mikrokontrola?

Wani mikrokontrola zai iya aikata ƙaramin piksel na LED da yawa, amma alama na gaskiya suna taka kuma cikin karamin hanyar aiki da kuma yadda za a sanya shi. Karamin mikrokontrola na halittu suna iya aikata 500 zuwa 1000 piksel da kyau kuma su kara 30+ frame-per-second. Aikin da yawa yana bukatar karamin kontroller ko kontroller na LED na musamman don aikata shugaban da yawa na LED na RGB da yawa.