DRAGINO SN50V3 LoRaWAN Sensor Node
LIEKETSENG
Ts'ebetso ea li-decoder tsa TTN V3 li mona: SN50v3-LB TTN V3 Payload Decoder: https://github.com/dragino/dragino-end-node-decoder
Lintlha tsa Battery
Sheba matla a betritage bakeng sa SN50v3-LB.
- Ex1: 0x0B45 = 2885mV
- Ex2: 0x0B49 = 2889mV
Mocheso (D518B20}
Haeba ho na le DS18B20 e hoketsoeng ho PC13 pin. Thempereichara e tla kenngoa ka har'a mojaro oa moputso. DS18B20 e eketsehileng e ka sheba 3 DS18B20 mode Connection:
ExampLe:
- Haeba moputso o le: 0105H: (0105 & 8000 == 0), temp= 0105H / 1 0 = 26.1 degree
- Haeba moputso o le: FF3FH : (FF3F & 8000 == 1), temp = (FF3FH - 65536)/10 = -19.3 likhato. (FF3F & 8000: Ahlola hore na karolo e phahameng ka ho fetisisa ke 1, ha palo e phahameng ka ho fetisisa e le 1, e mpe)
Input ea dijithale
Kenyelletso ea dijithale bakeng sa pin PB15,
- Ha PB15 e phahame, karolo ea 1 ea payload byte 6 ke 1.
- Ha PB15 e le tlase, karolo ea 1 ea payload byte 6 ke 0.
Ha phini ea khao ea dijithale e setetsoe ho AT +INTMODx= 0, phini ena e sebelisoa e le phini ea ho kenya ea dijithale.
Hlokomela: Boholo voltage input e tšehetsa 3.6V.
Sefetoleli sa Analogue Digital (ADC)
Mekhahlelo ea ho lekanya ea ADC e ka ba feela 0.1 V ho 1.1 V The voltagqeto ea e ke hoo e ka bang 0.24mv. Ha sephetho se lekantsoeng voltage ea kutlo ha e ka har'a mefuta e fapaneng ea 0.1 V le 1.1 V, tlhahiso ea voltage terminal ea sensor e tla aroloa The example setšoantšong se latelang ke ho fokotsa tlhahiso ea molumotage ea kutlo ka makhetlo a mararo Haeba ho hlokahala ho fokotsa makhetlo a mangata, bala ho latela mokhoa oa setšoantšo 'me u kopanye khanyetso e lumellanang letotong.
Hlokomela: Haeba mochine oa mofuta oa ADC o hloka ho tsamaisoa ke SN50_v3, ho kgothaletswa ho sebelisa + 5V ho laola phetoho ea eona.Ke li-sensor feela tse nang le matla a tlaase a matla a ka sebelisoang ka VDD. Boemo ba PA5 ho hardware ka mor'a LSN50 v3.3 e fetotsoe ho boemo bo bontšitsoeng setšoantšong se ka tlase, 'me molumo o bokelitsoeng.tage fetoha karolo ea botšelela ea ea pele.
Khatiso ea Dijithale
Digital Interrupt e bua ka pin PAS, mme ho na le mekhoa e fapaneng ea ho qala. Ha ho na le trigger, SN50v3-LB e tla romela pakete ho seva.
Ho sitisa mokhoa oa ho hokahanya: 
Exampeo u ka e sebelisang le sensor ea monyako:
Sensor ea monyako e bontšoa ka ho le letona. Ke terata e 'meli ea khokahanyo ea makenete e sebelisetsoang ho bona boemo ba mamati kapa lifensetere tse bulehileng/tse haufi.
Ha likotoana tse peli li le haufi le tse ling, tlhahiso ea 2 ea terata e tla ba khutšoanyane kapa e bulehile (ho itšetlehile ka mofuta oa mofuta), ha likotoana tse peli li le hōle le tse ling, tlhahiso ea terata ea 2 e tla ba boemo bo fapaneng. Kahoo re ka sebelisa SN50v3-LB e sitisang sebopeho ho bona boemo ba lemati kapa fensetere.
Ka tlase ke ex ea ho kenyaampLe:
Lokisa karolo e le 'ngoe ea sensor ea makenete monyako ebe o hokela lithakhisa tse peli ho SN50v3-LB ka tsela e latelang:
- Pini e le 'ngoe ho SN50v3-LB's PAS Pin
- Pini e 'ngoe ho phini ea VDD ea SN50v3-LB
Kenya sengoathoana se seng monyako. Fumana sebaka seo likotoana tse peli li tla be li atamelane ha lemati le koetsoe. Bakeng sa sensor ena e khethehileng ea makenete, ha lemati le koetsoe, tlhahiso e tla ba khutšoanyane, 'me PAS e tla ba VCC vol.tage. Li-sensor tsa mamati li na le mefuta e 'meli: NC (Ho koaloa ho tloaelehileng) le NO (ho buloa ho tloaelehileng). Khokahano ea mefuta e 'meli ea li-sensor e tšoana. Empa decoding bakeng sa mojaro oa moputso o fetotsoe, mosebelisi o hloka ho fetola sena ho decoder ea loT Server. Ha sensor ea monyako e khutsufatsoa, ho tla ba le tšebeliso ea matla a eketsehileng potolohong, hona joale e eketsehileng ke 3v3 / R14 = 3v3 / 1 Mohm = 3uA e ka hlokomolohuoang.
Litšoantšo tse ka holimo li bonts'a likarolo tse peli tsa switch ea makenete e kentsoeng monyako. Software ka ho sa feleng e sebelisa moeli o oelang moleng oa matšoao e le tšitiso. Re hloka ho e fetola hore e amohele mahlakore a mabeli a holimo (0v -> VCC, monyako o koalang) le moeli o oelang (VCC -> 0v, monyako o bulehileng) e le tšitiso. Taelo ke:
- AT +I NTMOD1 :1 II (Bakeng sa lintlha tse ling ka INMOD ka kopo, sheba ho AT Command Manual.) Ka tlaase mona ho na le litšoantšo tse ling tsa skrine ho TTN V3:
Ho MOD: 1, mosebelisi a ka sebelisa byte 6 ho bona boemo ba monyako o bulehile kapa o koala. TTN V3 decoder e tjena ka tlase: monyako= (byte[6] & 0x80)? “KWALA”:”BULELA”;
I2C Interface (SHT20 & SHT31)
SDA le SCK ke li-interface tsa I2C. U ka sebelisa tsena ho hokela sesebelisoa sa I2C le ho fumana data ea sensor. Re entse example ho bontša mokhoa oa ho sebelisa sebopeho sa I2C ho hokela ho SHT201 SHT31 Temperature le Humidity Sensor.
Tlhokomeliso: Li-sensor tse fapaneng tsa I2C li na le litaelo tse fapaneng tsa I2C tse behiloeng le ho qala ts'ebetso, haeba mosebelisi a batla ho sebelisa li-sensor tse ling tsa I2C, Mosebelisi o hloka ho ngola hape khoutu ea mohloli ho ts'ehetsa li-sensor tseo. Khoutu ea SHT20/ SHT31 ho SN50v3-LB e tla ba tšupiso e ntle.
Ka tlase ke khokahano ea SHT20/ SHT31. Khokahano e tjena ka tlase:
Sesebelisoa se tla khona ho fumana data ea sensor ea I2C hona joale ebe e e kenya ho LoT Server. 
Fetolela byte e baloang ho decimal 'me u e arole ka leshome.
Example
- Mocheso: Bala:0116(H) = 278(0) Boleng: 278 /10=27.8″C;
- Mongobo: Bala:0248(H)=584(D) Boleng: 584 / 10=58.4, Kahoo 58.4% Haeba u batla ho sebelisa sesebediswa se seng sa I2C, ka kopo sheba karolo ya SHT20 ya khoutu ya mohlodi e le tshupiso.
Ho Bala Hoo
Sheba karolo ea Ultrasonic Sensor.
Sensor ea Ultrasonic
Melao-motheo ea mantlha ea sensor ena e ka fumanoa sehokelong sena: https://wiki.dfrobot.com/Weather - bopaki ba Ultrasonic Sensor e nang le Separate Probe SKU SEN0208 The SN50v3-LB e lemoha bophara ba pulse ea sensor mme e e fetolela ho tlhahiso ea mm. Ho nepahala ho tla ba ka hare ho 1 centimeter. Sebaka se ka sebelisoang (sebaka se pakeng tsa ultrasonic probe le ntho e lekantsoeng) se pakeng tsa 24cm le 600cm. Molao-motheo o sebetsang oa sensor ena o tšoana le HC-SR04 ultrasonic sensor. Setšoantšo se ka tlase se bontša khokahano:
Hokela ho SN50v3-LB mme o tsamaise AT + MOD: 2 ho fetohela ho ultrasonic mode (ULT). Sensor ea ultrasonic e sebelisa 8th le 9th byte bakeng sa boleng ba tekanyo.
ExampLe:
Sebaka: Bala: 0C2D(Hex) = 3117(0) Boleng: 3117 mm=311.7 cm
Sehlahisoa sa Battery - phini ea BAT
Pin ea BAT ea SN50v3-LB e hokahane le Battery ka kotloloho. Haeba basebelisi ba batla ho sebelisa phini ea BAT ho matlafatsa sensor ea kantle. Basebelisi ba hloka ho etsa bonnete ba hore sensor ea kantle e na le tšebeliso e tlase ea matla. Hobane phini ea BAT e lula e butsoe. Haeba sensor e ka ntle e sebelisoa haholo. betri ea SN50v3-LB e tla fela haufinyane.
3.10 +5V Sephetho
SN50v3-LB e tla nolofalletsa + 5V tlhahiso pele ho sampling le ho tima +5v ka mor'a tsohle sampling. Nako ea tlhahiso ea 5V e ka laoloa ke AT Command.
- AT+SVT:1000
Sena se bolela ho beha nako e nepahetseng ea 5V ho ba le 1 000ms. Kahoo tlhahiso ea 'nete ea 5V e tla ba le 1 000ms + sampnako e telele bakeng sa li-sensor tse ling. Ka kamehla, AT +5VT =500. Haeba sensor ea kantle e hlokang 5v mme e hloka nako e eketsehileng ho fumana boemo bo tsitsitseng, mosebelisi a ka sebelisa taelo ena ho eketsa nako ea matla ON bakeng sa sensor ena.
Sensor ea ho khantša ea H1750
MOD=1 e ts'ehetsa kutlo ena. Boleng ba sensor bo ho 8th le 9th bytes.
PWM MOD
- Boholo voltage hore pinana ea SDA ea SN50v3 e ka mamella ke 3.6V, 'me e ke ke ea feta palo ena.tage bohlokoa, ho seng joalo, chip e ka chesoa.
- Haeba pinana ea PWM e kopantsoeng le pinana ea SDA e ke ke ea boloka boemo bo phahameng ha e sa sebetse, ho hlokahala hore u tlose mohanyetsi oa R2 kapa u e nkele sebaka ka mohanyetsi o nang le khanyetso e kholoanyane, ho seng joalo nako ea ho robala e ka bang 360uA e tla hlahisoa. Boemo ba resistor bo bontšoa setšoantšong se ka tlase:
- Letšoao le hapiloeng ka ho kenya letsoho ka ho khetheha le lokela ho sebetsoa ka ho sefa ha hardware ebe e hokahanngoa. Mokhoa oa ho sebetsana le software ke ho hapa litekanyetso tse 'ne, ho lahla boleng ba pele bo hapiloeng, ebe o nka boleng bo bohareng ba boleng ba bobeli, ba boraro le ba bone. .
- Kaha sesebelisoa se khona ho lemoha nako ea pulse ea 50ms feela ha AT + PWMSET = 0 (ho bala ka li-microseconds), hoa hlokahala ho fetola boleng ba PWMSET ho ea ka makhetlo a mangata a ho kenya letsoho.
MOD e sebetsang
Lintlha tse sebetsang tsa MOD li fumaneha ho Digital in & Digital Interrupt byte (?'h Byte). Mosebelisi a ka sebelisa 3rd ~ ?'h bit ea byte ena ho bona mokhoa o sebetsang: Case ?'h Byte »2 & 0x1 f:
- 0: MOD1
- 1: MOD2
- 2: MOD3
- 3: MOD4
- 4: MODS
- 5: MOD6
- 6: MOD?
- 7: MOD8
- 8: MOD9
- 9: MOD10
Payload Decoder file
Ho TTN, basebelisi ba ka eketsa mojaro o lefelloang oa tloaelo kahoo e bonts'a ho bala ka botsoalle Leqepheng la Likopo -> Liforomo tsa Payload -> Tloaelo -> decoder ho kenyelletsa decoder ho tsoa: https://github.com/dragino/dragino-end-node-decoder/tree/main/SN50 v3-LB
Merero ea Khafetsa
SN50v3-LB e sebelisa mokhoa oa OT AA le merero e ka tlase-frequency ka boiketsetso. Haeba mosebelisi a batla ho e sebelisa ka moralo o fapaneng oa maqhubu, ka kopo sheba li-taelo tsa AT.
Lokisa SN50v3-LB
Lokisa Mekhoa
SN50v3-LB e ts'ehetsa mokhoa o ka tlase oa ho hlophisa:
- AT Taelo ka Bluetooth Connection (E khothalelitsoe): BLE Configure Taelo.
- AT Taelo ka UART Connection: Sheba Khokahano ea UART.
- LoRaWAN Downlink. Litaelo tsa li-platform tse fapaneng: Sheba karolo ea LoT LoRaWAN Server.
Litaelo tse Akaretsang
Litaelo tsena ke tsa ho hlophisa:
- Litlhophiso tse akaretsang tsa sistimi joalo ka nako ea uplink.
- LoRaWAN protocol & taelo e amanang le seea-le-moea.
Lia tšoana bakeng sa Lisebelisoa tsohle tsa Dragino tse tšehetsang DLWS-005 LoRaWAN Stack. Litaelo tsena li ka fumanoa ho wiki:
http://wiki.dragino.com/xwiki/bin/view/Main/End%20Device%20AT%20Commands%20and%20Downlink%20Command/
E laela moralo o khethehileng oa SN50v3-LB
Litaelo tsena li sebetsa feela bakeng sa SN50v3-LB, joalo ka tlase:
Beha Nako ea Khao ea Phetiso
Sebopeho: Fetola LoRaWAN End Node Transmit Interval.
AT Taelo: AT+TDC
Taelo ea Downlink: 0x01
Sebopeho: Khoutu ea Taelo (0x01) e lateloa ke boleng ba nako ea li-byte tse 3. Haeba the downlink payload=0100003C, ho bolela ho beha Nako ea Phetiso ea Node ea END ho 0x00003C=60(S), athe mofuta oa khoutu ke 01.
- Example 1: Download Payload: 0100001 E II Set Transmit Interval (TDC)= 30 metsotsoana
- Example 2: Khokahano ea Tefo: 0100003C II Set Transmit Interval (TDC)= 60 metsotsoana
Fumana Boemo ba Sesebediswa
Romela sehokelo sa LoRaWAN ho kopa sesebelisoa ho romella boemo ba sona.
Khokahano ea ho lefa: 0x26 01
Sensor e tla kenya Boemo ba Sesebelisoa ka FPORT =5. Sheba karolo ea litefiso bakeng sa lintlha tse ling.
Beha Khatiso ea Mode
Feature, Beha Khatiso mokhoa oa GPIO_EXIT.
Ka Taelo: AT+ INTMODl, AT+ INTMOD2, AT +INTMOD3
Taelo ea Downlink: 0x06
Sebopeho: Khoutu ea Taelo (0x06) e lateloa ke li-byte tse 3. Sena se bolela hore mokhoa oa ho kena-kenana le node ea ho qetela e behiloe ho 0x000003 = 3 (trigger e ntseng e phahama), 'me mofuta oa khoutu ke 06.
- Example 1: Khokahanyo ea tefo: 06000000
- –> AT +INTMOD1 =0
- Example 2: Khokahanyo ea tefo: 06000003
- –> AT +INTMOD1 =3
- Example 3: Khokahanyo ea tefo: 06000102
- –> HO +INTMOD2=2
- Example 4: Khokahanyo ea tefo: 06000201
- –> HO +INTMOD3=1
Beha Nako ea Output ea Matla
Laola nako ea tlhahiso ea 5V. Pele ho sampling, sesebelisoa se tla
- pele etsa hore matla a phalloe ho sensor ea kantle,
- e boloke joalo ka nako e telele, bala boleng ba sensor 'me u thehe phallo ea uplink
- ho qetela, koala tlhahiso ea matla.
KA Taelo: AT+5VT
Taelo ea Downlink: 0x07
Sebopeho: Khoutu ea Taelo (0x07) e lateloe ke li-byte tse 2. Li-byte tsa pele le tsa bobeli ke nako ea ho bulela.
- Example 1: Khokahanyo ea tefo: 070000 —> AT +5VT =0
- Example 2: Download Payload: 0701 F4 —> AT +5VT =500
Beha litekanyetso tsa Weighing
Sebopeho: Mokhoa oa 5 oa ho sebetsa o sebetsa hantle, ho qala boima ba 'mele le boemo ba boima ba HX711.
Ka Taelo: AT+WEIGRE,AT+WEIGAP
Taelo ea Downlink: 0x08
Sebopeho: Khoutu ea Taelo (0x08) e lateloe ke li-byte tse 2 kapa li-byte tse 4. Sebelisa AT +WEIG RE ha byte ea pele e le 1, ke 1 feela. Ha e le 2, sebelisa AT +WEI GAP, ho na le li-byte tse 3. Li-byte tsa bobeli le tsa boraro li atisoa ka makhetlo a 1 0 ho ba boleng ba AT +WEIGAP.
- ExampLe 1: Khokahano ea ho lefa: 0801 -> AT +WEIGRE
- ExampLe 2: Khokahano ea Khokahano ea Khokahano: 08020FA3 —> AT +WEIGAP=400.3
- ExampLe 3: Khokahano ea Khokahano ea Khokahano: 08020FA0 —> AT +WEIGAP=400.0
Beha boleng ba palo ea likhahla tsa Digital
Sebopeho: Beha palo ea ho otla ha pelo. Palo 1 ke PAS pin ea mode 6 le mode 9. Count 2 ke PA4 pin ea mode 9.
Ka Taelo: AT+SETCNT
Taelo ea Downlink: 0x09
Sebopeho: Khoutu ea Taelo (0x09) e lateloe ke li-byte tse 5. Byte ea pele ke ho khetha boleng ba palo eo u lokelang ho e qala, 'me li-byte tse' nè tse latelang ke lipalo tse lokelang ho qalisoa.
- Example 1: Theoho ea lihokelo: 090100000000 —> AT +SETCNT =1,0
- Example 2: Downlink Payload: 0902000003E8 —> AT +SETCNT =2, 1000
Seta Mokhoa oa ho sebetsa
Feature: Fetola mokhoa oa ho sebetsa.
AT Taelo: AT + MOD
Taelo ea Downlink: 0x0A
Sebopeho: Khoutu ea Taelo (0x0A) e lateloa ke li-byte tse 1.
- ExampLe 1: Khokahano ea lihokelo: 0A01 —> AT + MOD= 1
- ExampLe 2: Khokahano ea ho lefa: 0A04 —> AT + MOD=4
Tlhophiso ea PWM
Feature: Beha yuniti ea ho fumana nako bakeng sa ho ts'oaroa ha PWM.
AT Taelo: AT+PWMSET
Taelo ea Downlink: 0x0C
Sebopeho: Khoutu ea Taelo (0x0C) e lateloa ke li-byte tse 1.
- ExampLe 1: Khokahano ea ho lefa: 0C00 —> AT +PWMSET =
- ExampLe 2: Khokahano ea ho lefa: 0C010 —> AT +PWMSET =1
Tšebeliso ea Betri le Matla
SN50v3-LB sebelisa ER26500 + SPC1520 betri pakete. Sheba sehokelo se ka tlase bakeng sa tlhaiso-leseling mabapi le lintlha tsa betri le mokhoa oa ho khutlisa.
Lintlha tsa Battery & Tlhahlobo ea Tšebeliso ea Matla.
Ntlafatso ea Firmware ea OTA
Basebelisi ba ka fetola firmware SN50v3-LB ho:
- Fetola Frequency band/ sebaka.
- Ntlafatsa ka likarolo tse ncha.
- Lokisa liphoso.
Firmware le changelog li ka kopitsoa ho: sehokelo sa ho jarolla Firmware
Mekhoa ea ho ntlafatsa firmware:
- (Ka tsela e khothaletsoang) OT A ntlafatso ea firmware ka waelese: http://wiki.dragino.com/xwiki/bin/view/Main/Firmware%20OTA%20Update%20for%20Sensors/
- Nchafatso ka segokanyimmediamentsi sa UART TTL: Taelo.
LBH
Nka fumana khoutu ea mohloli oa SN50v3-LB hokae?
- Mohloli oa Hardware Files.
- Software Source Code le ho bokella litaelo.
Mokhoa oa ho hlahisa PWM Output ho SN50v3-LB?
Sheba tokomane ena: Hlahisa Sephetho sa PWM ho SN50v3.
Mokhoa oa ho beha li-sensor tse 'maloa ho SN50v3-LB?
Ha re batla ho beha li-sensor tse 'maloa ho A SN50v3-LB, ho thibela metsi ho sehokelo se seholo ho tla fetoha bothata. Basebedisi ba ka leka ho fapanyetsana sehokelo se seholo ho mofuta o ka tlase. Mofani oa Litšupiso.
Setiiso sa Cable Gland Rubber
Boholo: boholo bo loketse litšoelesa tsa cable tsa YSC, boholo bo khethehileng bo ka laeloa. Re ka etsa mefuta e mecha ho latela litlhoko tsa hau. lintho tse bonahalang: EPDM
Tlhaiso-leseling
- Nomoro ea Karolo: SN50v3-LB-XX-YY
- XX: Sehlopha sa kamehla sa frequency
- AS923: Sehlopha sa LoRaWAN AS923
- AU915: Sehlopha sa LoRaWAN AU915
- EU433: Sehlopha sa LoRaWAN EU433
- EU868: Sehlopha sa LoRaWAN EU868
- KR920: Sehlopha sa LoRaWAN KR920
- US915: Sehlopha sa LoRaWAN US915
- IN865: Sehlopha sa LoRaWAN IN865
- CN470: Sehlopha sa LoRaWAN CN470
- YY: Khetho ea lesoba
- 12: Ka lesoba la thapo la M12 le sa keneleng metsi
- 16: Ka lesoba la thapo la M16 le sa keneleng metsi
- 20: Ka lesoba la thapo la M20 le sa keneleng metsi
- NH: Ha ho Hole
Packing Info
Sephutheloana se kenyeletsa:
- SN50v3-LB LoRaWAN Node ea Kakaretso
Boima le boholo:
- Boholo ba Sesebelisoa: cm
- Boima ba Sesebelisoa: g
- Package Size I pcs: cm
- Boima ba 'mele / likhomphutha: g
Tšehetso
- Tšehetso e fanoa ka Mantaha ho isa Labohlano, ho tloha 09:00 ho 18:00 GMT +8. Ka lebaka la libaka tse fapaneng tsa nako, re ke ke ra fana ka ts'ehetso e teng. Leha ho le joalo, lipotso tsa hau li tla arajoa kapele kamoo ho ka khonehang kemisong e boletsoeng pele.
- Fana ka lintlha tse ngata kamoo ho ka khonehang mabapi le potso ea hau (mefuta ea lihlahisoa, hlalosa bothata ba hau ka nepo le mehato ea ho bo etsa joalo-joalo) 'me u romelle lengolo ho support@dragino.cc
Tlhokomeliso ea FCC
Liphetoho life kapa life tse sa amoheloeng ka kotloloho ke mokha o ikarabellang bakeng sa tumellano li ka hlakola matla a mosebelisi a ho sebelisa sesebelisoa. Sesebelisoa sena se lumellana le karolo ea 15 ea Melao ea FCC. Ts'ebetso e ipapisitse le maemo a mabeli a latelang: (1) Sesebelisoa sena se kanna sa se ke sa baka tšitiso e kotsi, 'me (2) sesebelisoa sena se tlameha ho amohela tšitiso efe kapa efe e amohetsoeng, ho kenyelletsa le tšitiso e ka bakang ts'ebetso e sa batleheng.
Hlokomela: Thepa ena e lekoa 'me e fumanoe e lumellana le meeli ea sesebelisoa sa digital sa Sehlopha sa B, tlas'a karolo ea 15 ea Melao ea FCC. Meeli ena e etselitsoe ho fana ka tšireletso e utloahalang khahlanong le tšitiso e kotsi mohahong oa bolulo. Thepa ena e hlahisa, e sebelisa le ho khantša matla a maqhubu a seea-le-moea, 'me haeba e sa kengoa le ho sebelisoa ho latela litaelo, e ka baka tšitiso e kotsi likhokahanong tsa radio. Leha ho le joalo, ha ho na tiiso ea hore tšitiso e ke ke ea etsahala setsing se itseng. Haeba sesebelisoa sena se baka tšitiso e kotsi ea seea-le-moea kapa kamohelo ea thelevishene, e ka lekanyetsoang ka ho tima le ho tima sesebelisoa, mosebelisi o khothalletsoa ho leka ho lokisa tšitiso ka e le 'ngoe kapa tse ling tsa mehato e latelang:
- Sheba hape kapa o suthise lenakana le amohelang sebakeng se seng.
- Eketsa karohano pakeng tsa thepa le moamoheli.
- Hokela lisebelisoa le seketsoaneng sa potoloho se fapaneng le seo moamoheli a hokahaneng le sona.
- Ikopanye le morekisi kapa setsebi sa radio/TV se nang le boiphihlelo bakeng sa thuso.
Sesebelisoa sena se lumellana le meeli ea ho pepeseha ha mahlaseli a FCC e behiloeng bakeng sa tikoloho e sa laoleheng. Thepa ena e lokela ho kengoa le ho sebetsoa ka sebaka sa bonyane 20cm lipakeng tsa radiator le 'mele oa hau. Transmitter ena ha ea lokela ho ba sebakeng se le seng kapa ho sebetsa mmoho le antenna kapa transmitter efe kapa efe.
Litokomane / Lisebelisoa
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DRAGINO SN50V3 LoRaWAN Sensor Node [pdf] Bukana ea Mosebelisi SN50V3 LoRaWAN Sensor Node, SN50V3, LoRaWAN Sensor Node, Node ea Sensor |
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DRAGINO SN50V3 LoRaWAN Sensor Node [pdf] Bukana ea Mosebelisi SN50V3 LoRaWAN Sensor Node, SN50V3, LoRaWAN Sensor Node, Node ea Sensor |
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DRAGINO SN50V3 LoRaWAN Sensor Node [pdf] Bukana ea Mosebelisi SN50V3 LoRaWAN Sensor Node, SN50V3, LoRaWAN Sensor Node, Node ea Sensor |