Bluetooth ni Wi-Fi ni Sub-GHz Elektɔriki tabali taamasiyɛn

A kalo fila ye nin ye, Erɔpu Saheliyanfan ka suguba cɛmancɛ-cakɛda dɔ y’a ɲini an fɛ an ka ɛntɛrinɛti kan fɛnw bilali laseli dɔ fɔ magan 22 kama. U ka sannifeere jɛkulu tun ye sistɛmu saba danfaralenw bila kaban - kelen bɛ Bluetooth LE baara, kelen bɛ Wi-Fi kan, kelen bɛ arajo 433 MHz kan min ye a yɛrɛ ta ye. Feerekɛla kelen-kelen bɛɛ y’a fɔ k’olu ta de ka fisa. Mɔgɔ si m’a ɲɛfɔ cogo minnu na, a tun ka jugu kosɛbɛ tiɲɛ na. O baro y’an Lajɔ k’an ka nin yɔrɔ in sɛbɛn.

Wizi protokol denbaya saba de bɛ ESL bilali fanga la sisan: Bluetooth Low Energy (BLE, kɛrɛnkɛrɛnnenya la kabini 5.4 ɲɛfɔli), Wi-Fi, ani Sub-GHz arajo (433 MHz Azi, 868 MHz Erɔpu, 915 MHz Ameriki Woroduguyanfan na). Protocole kelen-kelen bɛɛ bɛ gɛlɛya lakika dɔ ɲɛnabɔ. U kelen-kelen bɛɛ bɛ jagokɛcogo dɔw dabɔ, feerekɛlaw ka gafeninw bɛ minnu dɔgɔya. An ye min ye magan sigida lakikaw kɔnɔ, o filɛ nin ye.

Bluetooth LE: Open Standard, Hali bi a bɛ kɔgɔ a ka sɛgɛsɛgɛli la

Bluetooth bɛ ni fanga jugu ye a kɔfɛ. Bluetooth SIG ye ESL Profil kɛrɛnkɛrɛnnen dɔ bɔ min jɔlen bɛ Bluetooth 5.4 ka PAwR (Periodic Advertising with Responses) fɛɛrɛ - kan, o ye fɛɛrɛ ye min b’a to donyɔrɔ kelen bɛ cikanw lase labeli ba caman ma waati bolodalenw kɔnɔ, o kɔfɛ, ka jaabiw sɔrɔ k’a sɔrɔ a ma jɛɲɔgɔnya kelen-kelenw sigi sen kan.

Silicon Labs y’o kɔrɔbɔ 1500-node network kan u ka laboratuwari kɔnɔ. EM Microelectronic ye em|bleu SoC ci ni milimɛtɛrɛ 1,8×1,8 dɔrɔn ye ni sunɔgɔ juguman 200 nA ye - a ka dɔgɔ ani a ka musaka ka dɔgɔ fo a bɛ se ka don a kɔnɔ halicompact 2,66-inch E-ink taamasiyɛnw. Ni bulutu minɛn miliyari 5 ni kɔ bɛ ci san o san, yɔrɔw musakaw bɛ nafa sɔrɔ sɔrɔkoba la.

Fiyeerekɛlaw fɛ, a nafa min bɛ se ka kɛ, o ye feerekɛlaw ka fɛn caman sɛgɛsɛgɛli ye. Sariya dafalen kɔrɔ ye - a dɔgɔyalenba ye sariya siratigɛ la - ko i bɛ se ka dondaw ɲagami ka bɔ feerekɛla dɔ la ni labeliw ye minnu bɔra feerekɛla wɛrɛ la. O ye bɔli kɔrɔ ye ka bɔ feerekɛlaw ka dakun na-in min ye ESL tɔɔrɔ san caman kɔnɔ. Sunɔgɔ waati minnu bɛ 2 μA duguma, olu ye BLE ESL puwɛntiw cogoya ye, wa Bluetooth 5.4 spec bɛ se ka labeli 32.600 ɲɔgɔn dɛmɛ donyɔrɔ rezo kelen-kelen bɛɛ la papiye kan.

Minɛ: "paper kan" nafa ka bon yan. Dumunikɛyɔrɔbaw-dafalenw bilali BLE kan, olu ka dɔgɔ hali bi ni i y’a suma ni sigida minnu ye u yɛrɛ ta ye, minnu bɛ baara la kabini san tan. Rigado, n’o ye IoT dakun feerela ye min bɛ baara kɛ ESL la, o bɛ dakun kelen-kelen musakaw bila dɔrɔmɛ 1000 fo dɔrɔmɛ 2000 na minnu sigilen don - ani suguba dɔ bɛ se ka mago ɲɛ tan walima ka tɛmɛ o kan. BLE bɛ baara kɛ ni 2,4 GHz ye, a bɛ spektrum tila ni Wi-Fi routeurs ye, kiliyanw ka telefɔniw, microwaves, ani wireless minɛn tɔw bɛɛ min bɛ boon kɔnɔ. Butigi min falen bɛ mɔgɔw la, o jɔrɔnanko bɛ se ka sɔngɔko kura bila kɔfɛ waati minnu na mɔgɔw ka ca kosɛbɛ.

A bɛnnen don kosɛbɛ : furakɛlisow, butikiw, ani magan cɛmancɛ-magasin minnu bɛ m2 2000 jukɔrɔ - kɛrɛnkɛrɛnnenya la minnu bɛ BLE biɲɛw baara kaban nafolo nɔfɛtaama kama. Fiyeerekɛlaw ka sourcing5,8-inch BLE-se bɛ se ka kɛ tabali labeliw yeo kurayali min bɛ bɔ tablɛti la min tɛ ni infrastructure gɛlɛn ye, o bɛna nin protocole in sɔrɔ min bɛ mɔgɔ ɲɛnajɛ.

Wi-Fi: Baara kɛ ni i ka Réseau kɔrɔlen ye - Nka Budget for Batteries

Pitch (fɔlikan) bɛ ɲɛ : i ka magan bɛ enterprise Wi-Fi baara kaban sira bɛɛ la, o la, i ka tɛmɛ da kura kan ani k’i ka ESLw don ɲɔgɔn na ka ɲɛsin rezow ma minnu bɛ yen. Baarakɛda cakɛdabaw fɛ minnu ye wari caman bila kaban jagokɛyɔrɔw la minnu bɛ se ka dafa, jɛ-ka-baara jatebɔ bɛ i n’a fɔ a bɛ mɔgɔ ɲɛnajɛ.

Wi-Fi fana bɛ kunnafonidilanw bɔli caman di ka tɛmɛ BLE walima Sub-GHz kan. O nafa bɛ kɛ fɛn ye min bɛ se ka ye ni i bɛ ka ja nafamaw - fɛn dilannenw ja, laseli animations - gɛlɛya ka taaLCD-based numérique sɔngɔko ekranwsanni ka kɛ E-inki taamasiyɛn nɔgɔmanw ye. KELEN15,6 inch LCD ekranka promotions boli endcap la, o mago bɛ bandwidth la min E-ink pricing tags tɛ.

Gɛlɛya in bɛ jira yɔrɔ fila la. A fɔlɔ, kuran tacogo. Wi-Fi bɛ kuran caman sama kosɛbɛ ka tɛmɛ BLE walima Sub-GHz kan cikanw cicogo kelen-kelen bɛɛ kɔnɔ. E-ink label min bɛ Sub-GHz arajo la, o bɛ se ka baara kɛ san duuru fo san seegin warijɛ selilɛri kan ni don o don fɛn kura kelen fo saba ye. O label kelen in bɛ Wi-Fi kan? Kalo tan ni fila fo kalo tan ni segin. Ni scale - label ba caman bɛ magan caman kɔnɔ - o kɔrɔ ye ko batiri caman cili porogaramu min bɛ segin-ka-bɔ i ka baarakɛjɛkulu ka kan ka nafolo sɔrɔ. Filanan, réseau (rɛzo) camanba. Wi-Fi ESLw bɛ ɲɔgɔn sɔrɔ fiɲɛbɔ waati la ni POS terminalw ye, kiliyanw ka minɛnw, bolola skanɛrɛw, ani yɛrɛ{15}}checkout kioskw. Sibiridon wulada fɛ, waati minnu na, o ɲɛɲini tɛ teori ye.

A bɛnnen don kosɛbɛ : baarakɛda feerekɛlaw minnu ka Wi-Fi infrastructure kɔgɔlen don, minnu dilannen don koɲuman, maganw minnu bɛ baara kɛ ni LCD nizɛri taamasiyɛnw ye minnu bɛ baara kɛ ni fanga ye (batiri ɲɛnamaya tɛ foyi ɲɛ yɔrɔ minnu na bawo ɛkranw bɛ don a kɔnɔ), ani baarakɛcogo minnu bɛ suman ni labeli kɛmɛ caman ye sanni ka kɛ labeli ba tan ni tan ye.

Sub-GHz (433/868/915 MHz): Glamour tɛ, yɔrɔ jan, Batiri jan

Sub-GHz arajo tɛ ni feereli jɛkulu ye min b’a lase i n’a fɔ Bluetooth SIG bɛ BLE ɲɛmɔgɔw ɲɛnabɔ cogo min na. Sub-GHz ESL sitɛmu fanba bɛ baara kɛ ni protocoles propriétaires ye minnu kɛrɛnkɛrɛnnen don labeli dilannikɛla ma. Baarakɛɲɔgɔnya ɲɛfɔli sɛbɛn tɛ yen. Feerekɛlaw caman cili kɔrɔ ye ka kumaɲɔgɔnya kulu bɛɛ falen.

Wa hali o bɛɛ la, magan cogoya dɔw la, fizik b’a kɛ sugandili ye min bɛ se ka kɛ kosɛbɛ. Fɛrɛnkan minnu ka dɔgɔn, olu bɛ jikuru janw Bɔ. Fɛnɲɛnɛma janyalenw bɛ don nɛgɛdagayɔrɔw la, bɛton tilayɔrɔw kogow la, ani jiralan minnu bɛ friji kɔnɔ, olu bɛ don ka ɲɛ kosɛbɛ ka tɛmɛ 2,4 GHz taamasiyɛnw kan. Display Data, n’o ye ESL dilanbaga ye min sigilen bɛ Angletɛri-, o y’u ka kɛnɛ bɛɛ jɔ Sub-1 GHz lamini na o kun tigitigi de kama - yɔrɔ caman sɔrɔli ni taamasiyɛnw doncogo feerelikɛyɔrɔ gɛlɛnw na. Sub-GHz donyɔrɔ kelen bɛ senna-taama belebeleba dɔ datugu ka tɛmɛ a BLE walima Wi-Fi bɔɲɔgɔnko kan. Sɔrɔyɔrɔw dɔgɔyali kɔrɔ ye ka fɛnsɔrɔ musaka dɔgɔya ani ka rezow labɛnni nɔgɔya.

Batiri ɲɛnamaya ye fɛn wɛrɛ ye min bɛ se ka kɛ. Silicon Labs ka ESL dilancogo bilasiralikan b’a jira ko ka se san duuru fo san tan ma CR2032 warijɛ selilɛri kan, o bɛ ɲini sisan baarakɛnafolo cɛmancɛ la min bɛ 10 μA duguma - u ka Sub-GHz FG22 SoC bɛ se 0,17 μA ma sunɔgɔba la. Kosɔnbelebele-format E-inki labeliwmagasin walima suguba sigidaw la ni fɛn kura kelen fo saba ye don o don, Sub-GHz bɛ baarakɛ waati jan di tuma bɛɛ.

A bɛnnen don kosɛbɛ : sugubabaw ni kɛsu feerelaw minnu ka ca ni m2 5000 ye, fɛnmarayɔrɔw ni fɛnw ladonni sigida minnu bɛ ni nɛgɛdaga ye, cakɛda nɛnɛma ani frigo yɔrɔw, ani baarakɛyɔrɔ o baarakɛyɔrɔ, yɔrɔ min na fɛnsɔrɔsiraw dɔgɔyali ani batiri ɲɛnamaya caya bɛ fɔlɔ ka tɛmɛ bandwidth kan. An ka kiliyan minnu bɛ E-ink shelf labelw labɔ -format magasins belebelebaw kɔnɔ, olu bɛ to ka wuli ka taa Sub-GHz la.

Kɛrɛ-ni-Kɛrɛfɛ-Sɛbɛnni

Protocol Sugandili bɛ Ripples Aw ka Magasin bɛɛ kɔnɔ

Fɛn min bɛ protocole comparison articles (protocoles comparaisons articles) to yen minnu tɛ sɔrɔ tuma bɛɛ: i ka ESL wireless network tɛ baara kɛ a dan na. Sɔrɔyɔrɔw, sɔngɔko kɔkanna, ɲɛnabɔli porogaramu - o bɛɛ bɛ maga nizɛri sitɛmu wɛrɛw la magasa kɔnɔ. Ni aw bɛ boliyɛrɛ-baarakɛminɛnw ka ɛkran magan kioskiwwalasa ka jatebɔ kɛ, o kioskiw bɛ sɔngɔko sama ka bɔ kunnafonidilan kelen na. Ni shelf-edge LCD bar jiralanw bɛ boli promotions kɔnɔ aisle kɔnɔ, kɔnɔkow masin min bɛ o ekranw balo, o fana bɛ se ka kanpaɲiw daminɛ i ka E-ink labels - kan nka ni sistɛmuw bɛ API layɛrɛ kelen jɛ dɔrɔn.

An ye nɔ saniyalenba ye ni kiliyanw y’u ka ESL bilali boloda u ka kiosiki ni taamasiyɛn nizɛriw labɛnni kɛrɛfɛ, a tɛ kɛ i n’a fɔ IT porozɛ saba danfaralenw. Ni kiliyan ye sɔngɔ min ye tabali taamasiyɛn kan, endcap LCD ekran kan, ani yɛrɛ{1}}checkout terminal bɛɛ bɛ balo ka bɔ yɔrɔ kelen na, sɔngɔko ɲininkaliw - sɔgɔsɔgɔninjɛba kelen min bɛ dumunikɛyɔrɔ la - bɛ jigin ka surunya zeru la.

Ɲininkali saba Sani i ka i yɛrɛ bila

I ka dugukolo ja bɛ cogo di?Furakɛyɔrɔ min janya ye m2 400 ye ani suguba min janya ye m2 12000 ye, olu ye arajo sigidaw ye minnu tɛ kelen ye. BLE bɛ fɔlɔ ta ni dondaw fila walima saba ye. N’a sɔrɔla filanan mago bɛ Sub-GHz la walasa a kana nɔgɔ bɔ sanfɛla la ni dakunw ye.

I bɛ kɔnɔkow jumɛnw jira?Sɔngɔ jɔlenw E-ink kan? Protocole o protocole bɛ o ɲɛnabɔ. Wideyo laseliw LCD ekranw kan minnu bɛ baara kɛ ni fanga ye wa? Aw mago bɛ Wi-Fi ka baarakɛcogo la. Flash sɔngɔ min bɛ Changé siɲɛ caman lɛrɛ kɔnɔ? Aw ye a sɛgɛsɛgɛ ko aw ka protocole bɛ se ka update volume sabati ka sɔrɔ aw ma batiriw bɔn ka kɔn a waati ɲɛ.

Mun wɛrɛ bɛ i ka fiɲɛbɔlanw tila ɲɔgɔn na?Butigi min falen don kaban 2,4 GHz - kiliyan Wi-Fi, IoT sensɛriw, bolola skanɛrɛw - bɛna gɛlɛya sɔrɔ ni 2,4 GHz sitɛmu wɛrɛ ye min bɛ layɛrɛ sanfɛ. Sub-GHz bɛ baara kɛ band kɔnɔ min kɔnɔ mɔgɔw man ca kosɛbɛ pewu.

Protocole kelen si tɛ diɲɛ bɛɛ kɔnɔ min ka fisa. Ni i ka ESL feerela bɛ wireless option kelen dɔrɔn de di, wa a tɛ se k’a ɲɛfɔ a bɛ dɛsɛ yɔrɔ min na, o bɛ fɛn dɔ fɔ i ye. N’i ​​b’a fɛ ka labeliw kɔrɔbɔ protocoles bɛɛ kɔnɔ i ka magan yɛrɛ kɔnɔ sani i ka commit at scale,ɲinini jateminɛ misaliw- dɔgɔkun fila ɲɛnamaya sira kelen kɔnɔ, o bɛ fɛn caman jira ka tɛmɛ spec sheet walima vendor slide deck bɛɛ kan.