WS2812B ndi imodzi mwazogwiritsidwa ntchito kwambiri zowongolera za LED ndi kupita ku maziko a mapangidwe owala chifukwa cha mphamvu yake yocheperako, yowala kwambiri, komanso kuya kwamitundu. The Chithunzi cha WS2812B ndi njira yanzeru yowongolera kuyatsa kwa LED, chifukwa cha kukweza kwake kuchokera pa WS2812 yoyambirira. Kukonzanso uku kumaphatikiza chipangizo cha RGB ndikuwongolera kuzungulira mu RGB 5050 LED. LED iyi ndi digito. Chifukwa chake, madalaivala awo odzipatulira amawongolera kuwala ndi mtundu wa LED aliyense payekhapayekha. Izi zikutanthauza kuti LED iliyonse ili ndi kuthekera kokhala kosiyana ndi mtundu wa LED womwe uli pafupi nawo. Izi zimatsegula chitseko cha zotsatira zowunikira komanso zowoneka bwino.
Mzere wa LED wa WS2813 ndi mtundu waposachedwa kwambiri wamtunduwu wamtundu wa LED, womwe umagwiritsidwa ntchito kwambiri. Mtundu watsopanowu wa WS2812B ndi wabwino kuposa wakale. RGB 5050 LED yochokera ku WS2813 ili ndi dera lowongolera ndi chipangizo cha RGB, monga WS2812B. Izi zikutanthauza kuti LED iliyonse imatha kuyendetsedwa mwanjira yake. Nchiyani chimapangitsa WS2813 kukhala yosiyana ndi yomwe idachita bwino kwambiri, WS2812B, ndipo chimapangitsa kuti zikhale zofanana ndi chiyani? Popeza ndi mtundu wosinthidwa, tikuyembekeza kuti ukhale wabwinoko kuposa WS2812B m'magawo ena. Tiyeni tiwone momwe awiriwa amasiyanirana komanso momwe amafanana.
Kodi Kusiyana Kwakukulu Pakati pa WS2813 Ndi WS2812B Ndi Chiyani?
Mbali yodutsa ya LED ndiye chosiyanitsa pakati pa mizere iwiri yotsogola iyi. WS2813 ndi yabwino kwambiri kuposa WS2812B yomwe idakhazikitsidwa, chifukwa imatha kulumikizana ndi ma siginali awiri nthawi imodzi. Komanso zingwezi zimakhala ndi malo omwe chizindikirocho chimasweka kuti kutumizirana kusayime. Chifukwa chake, ngakhale LED imodzi pakati pa mzereyo itayaka, sizisokoneza dera. Malingana ngati palibe ma LED ena omwe ali pafupi omwe athyoledwa, chizindikirocho chimapitabe ku ma LED ena, ndipo adzawala monga mwachizolowezi. Pankhani ya WS2812B, dera lonselo lidzalephera ngati ngakhale LED imodzi yathyoledwa kapena kutenthedwa. Mukadutsa ma LED osweka kapena oyaka, ma LED ena pamzere sangayatse.
WS2812B ili ndi chizindikiro chimodzi chokha cha deta, chifukwa chake pali kusiyana. Chifukwa cha izi, diode yowonongeka yotulutsa kuwala, monga yomwe yatenthedwa kapena kusweka, imatha kuyimitsa diode yotsatira pamzere kuti isagwire bwino ntchito. Kumbali ina, WS2813 imagwiritsa ntchito zizindikiro ziwiri za data. Izi zikutanthauza kuti ngati pixel mu unyolo wa ma LED alephera, sizingalepheretse kuyenda kwa data. Kumbali inayi, ngati ma LED awiri oyandikana wina ndi mnzake athyoka kapena kuwotchedwa, kusamutsa kwa siginecha kumachepetsedwa. Ngakhale LED imodzi mu unyolo yathyoledwa, sizingakhale zazikulu. Mutha kupitiliza kugwira ntchito ndi ma LED ena pomwe mukuganizira momwe mungakonzere vutoli.
Poyerekeza pakati pa ziwirizi, zikuwonekeratu kuti WS2813 ndiye mzere wodalirika wa LED.
Kuti mumve zambiri mutha kutsitsa izi pansipa:
Zithunzi za WS2812B
Zithunzi za WS2813
Kodi Mafupipafupi a WS2813 Ndi Osiyana Bwanji ndi A WS2812B?
Mizere ya WS2813 LED imakhala ndi ma frequency apamwamba kuposa omwe adawatsogolera, WS2812B, yomwe imawapatsa phindu lowonjezera. Poyerekeza ndi m'mbuyo mwake, WS2812B, yomwe imakhala ndi mafupipafupi a 400 hertz, chitsanzo ichi chili ndi maulendo apamwamba kwambiri. Mlingo wake wotsitsimutsa ndi 2,000 hertz, womwe ndi wochuluka kwambiri kuposa ma hertz 400.
Chifukwa chake, WS2813 ili ndi mawonekedwe abwino kwambiri osasunthika.
Kodi Nthawi Yobwezeretsanso Ya WS2812B Imafananiza Bwanji ndi WS2813?
WS2813 ili ndi nthawi yokonzanso ma microseconds 250, omwe amalola kuti igwire ntchito bwino pama frequency otsika komanso ndi ma microcontrollers otsika mtengo.
Kodi Tingagwiritse Ntchito Wowongolera Yemweyo Pawiri WS2813 Ndi WS2812B?
Ubwino ndikuti onse a WS2812B ndi WS2813 atha kugwiritsa ntchito zomwezo wolamulira.
Mwina simukudziwa zambiri za mizere ya LED, sichoncho? Ngati ndi choncho, mwina simungadziwe kuti kungowalumikiza pamagetsi sikungawapangitse kuyatsa. Komanso, ndizovuta kusintha mitundu ndi ma LED okhazikika, ndipo magetsi sakhala oyaka nthawi zonse. Iyenera kulumikizidwa ndi wowongolera kuti lamulo lovomerezeka litumizidwe ku ma LED kudzera pamenepo. Olamulira akuphatikizapo Arduino, yomwe imagwiritsidwa ntchito ndi anthu ambiri, ndi Raspberry Pi. Pogwiritsa ntchito makonda omwe mwawakonzera mu chowongolera, wowongolera "amauza" LED iliyonse mtundu womwe uyenera kukhala, kuwala kwake, komanso nthawi yayitali bwanji.
Dera lophatikizika (IC) lomwe limapezeka mu WS2812B ma LED limapangitsa kuti ma LED azilumikizana ndi chingwe chimodzi. Izi zimakupatsani mwayi wowongolera ma LED ambiri kuchokera pa pini imodzi pawowongolera wanu. Pali zikhomo zitatu pazitsulo za LED za mphamvu (+5V), nthaka (GND), ndi deta (Din ndi Dout). Kulumikiza mphamvu ndi zikhomo zapansi ku mzere wanu kuwonetsetsa kuti ilandila mphamvu, pomwe pini ya data imathandizira kulumikizana ndi wowongolera.
Ngati mukufuna kugwiritsa ntchito Arduino kuti muwongolere chingwe chomwe chimafunikira mphamvu ya 5V, simuyenera kukhala ndi vuto kuchita izi ndi 5V yotulutsa pa bolodi. Kumbali ina, ngati mukufuna kuyendetsa mzere wanu wa LED ndi Raspberry Pi kapena ESP8266, yomwe imatumiza zizindikiro pa 3.3V, mudzafunika logic-level converter module kuti musinthe chizindikiro cha deta kuchokera ku 3.3V kupita ku 5V. Zizindikiro zimatumizidwa kuchokera ku zipangizozi pa 3.3V. Pokhapokha mutachita izi, mzere wa LED womwe mumagwiritsa ntchito sutha kugwira ntchito.
Kodi Onse WS2813 Ndi WS2812B Amagwiritsa Ntchito Ma library Omwewo?
Onse a WS2813 ndi WS2812B amagwiritsa ntchito malaibulale ofanana. Mizere iwiriyi imafuna kuti malaibulale atsitsidwe asanawawongolere kuti apange zowunikira za LED. Ma library awa amawongolera ma LED aliwonse, kulola kupanga mapangidwe apamwamba. Komabe, wowongolera omwe akufunsidwa amakhudza kupezeka kwa malaibulale enieni. Ambiri mwa malaibulalewa amatsitsidwa kwaulere pa intaneti.
Ndi zida zanu za ESP8266 ndi Arduino, mutha kugwiritsa ntchito malaibulale otsatirawa:
- fastLED
- Adafruit_Neopixel
- Chithunzi cha WS2812FX
- Kwa rasipiberi pi, mutha kugwiritsa ntchito malaibulale otsatirawa: Rpi_ws281x malaibulale a python
Kodi Mphamvu Yopereka Ku WS2812B Strip Idzakhala Yosiyana ndi WS2813 Strip?
Kuwala kokwanira, ma LED onsewa amafunikira pafupifupi 60mA yapano, chifukwa chake makina a WS2812B amatha kugwiritsa ntchito mitundu yofanana yamagetsi. Kuchuluka kwa mphamvu yofunikira kumasiyana nthawi zonse kuchokera kumagulu amtundu wa LED kupita kwina. Kuti mzere wanu ukhale wowala bwino, muyenera kugwiritsa ntchito gwero lamagetsi lomwe limatha kujambula zomwe zikuchitika pano. Kuti mukhazikitse mzere umodzi wa ma LED 60 pakuwala kwawo kopitilira muyeso, mufunika gwero lamagetsi lovotera osachepera 3.6A (ma LED 60 x 60mA). Pogwiritsa ntchito doko la USB 2.0 lomwe limapereka 0.9A, mutha kuyendetsa mizere ya 0.9A/0.06A = 15 ma LED.
Kodi Mitengo Ya WS2813 Ndi WS2812B Ma LED Amafananiza Bwanji?
Mfundo yoti WS2813 ndiyokwera mtengo kuposa yomwe idakhazikitsira siziyenera kudabwitsa. Kutengera ndi zomwe tapeza mu kafukufuku wathu, mtengo wa WS2813 LED strip ndi pafupifupi 20% kuposa wa omwe adatsogolera, WS2812B. Kusiyana kwamitengo pakati pa mizere iwiri ya LED sikuli kwakukulu. Ngakhale WS2813 yakhala ikugulitsidwa kwakanthawi, ikukula pang'onopang'ono. M'kupita kwa nthawi, zikhoza kukhala zabwino kuposa chitsanzo chomwe chinabwera kale.
Ngati ndinu oyamba ndipo mukufuna kugula mizere ya ws2813 ya LED, timalimbikitsa kupeza mzere wa LED wa WS2813 wopanda madzi m'malo mwake. Mizere ya LED iyi ndi yaulere kugwiritsa ntchito, yosavuta kuphatikiza, ndikukonzekera kugwiritsa ntchito nthawi yomweyo. Zingwe za LED izi zimatchedwa "zomangamanga," ndipo zawonetsedwa kuti ndi njira yabwino kwambiri yopangira zamagetsi. Pantchito yanu, simudzasowa kuphunzira kugwiritsa ntchito bolodi la mkate, zomwe ndizovuta chifukwa mukhala mukugwiritsa ntchito mizere ya LED ya WS2813 yopanda madzi m'malo mwake. Tsopano, m'malo modutsa mndandanda wautali wamasitepe, mutha kupanga polojekiti yanu mwachangu komanso mosavuta.
Komanso ndi yopanda madzi, kotero simuyenera kudandaula za momwe madzi angakhudzire polojekiti yomwe mukugwira ntchito chifukwa sichidzapweteka. Komabe, si okwera mtengo kwambiri. Komanso, chifukwa akhala pa msika kwa nthawi yaitali, pali zambiri zokhudza iwo.
Ibibazo
Chidule
Takambirana za Chithunzi cha WS2182B ndi WS2813 LED n'kupanga, awiri otchuka kwambiri zowongolera za LED pamsika. Kuwala kwa mizere ya LED iyi ndikwabwino. Ngakhale kuti ndi osiyana m’njira zina, onse amachita bwino kwambiri.
LEDYi amapanga apamwamba kwambiri Mizere ya LED ndi neon flex ya LED. Zogulitsa zathu zonse zimadutsa m'ma laboratories apamwamba kwambiri kuti zitsimikizire kuti zili bwino kwambiri. Kupatula apo, timapereka zosankha makonda pamizere yathu ya LED ndi neon flex. Chifukwa chake, pamzere wapamwamba wa LED ndi LED neon flex, kulumikizana ndi LEDYi POSACHEDWA!
