interactive EFR24CM Compute Module

Ulwazi Lomkhiqizo

Imininingwane

• Umkhiqizi: Interactive Technologies, Inc
• Igama Lomkhiqizo: EFR24CM Compute Module
• I-MCU: I-Silicon Labs EFR32MG21 uchungechunge lwe-Mighty Gecko MCU
• Ukusekela Okungenantambo: BLE kanye 802.15.4
• Izici: I-Pixel LED, inzwa yehholo, isilawuli samandla esibekezelela esingu-36V
• Izinti: I-antenna ethi `F' 2.4GHz ephrintiwe (ifakiwe), Inketho ye-3cm yocingo noma isixhumi se-U.FL
• Izikhonkwane ze-GPIO: izikhonkwane ezingu-20 ezitholakala ku-EFR32MG21, izikhonkwane ezi-4, ukufinyelela ku-3V3 kanye ne-12V rails
• Imininingwane ye-MCU: I-ARM Cortex M33, 80MHz, 96KB RAM, 1024KB Flash

Imiyalo yokusetshenziswa komkhiqizo

Ukufakwa nokucushwa

I-EFR24CM Module kufanele imiswe ekufakweni:

• Ku-antenna ephrintiwe: I-capacitor eyi-10pF ebheke enyakatho iyadingeka
• Ku-antenna yangaphandle ye-8dBi: I-capacitor eyi-10pF ebheke eMpumalanga nesixhumi se-U.FL esingakhethwa siyadingeka
• Ku-antenna yocingo oludayisiwe: I-capacitor eyi-10pF ebheke entshonalanga iyadingeka
• QAPHELA: I-capacitor eyodwa kuphela esekelwa ngesikhathi.

Ukunikezwa kwamandla kagesi
Amandla anganikezwa ngokuqondile ngesitimela se-3V3 noma i-12V ephakela isilawuli samandla. Qaphela nge-36V kumzila wesitimela we-12V.

Ukuxhumana kwemojuli
I-Module ihlanganisa ukuxhumana okuhlukahlukene okuhlanganisa izikhonkwane ze-GPIO, izikhonkwane zomhlabathi, nokufinyelela kuma-rail amandla. Bheka umdwebo we-pinout ukuze uthole imininingwane.

FAQ

• Q: Ngingakwazi ukusebenzisa izimpondo eziningi kanyekanye ne-EFR24CM Module?
  A: Cha, i-antenna eyodwa kuphela engasetshenziswa ngesikhathi ngenxa yokucushwa kwe-capacitor okusekelwayo.
• Q: Ithini ivolumu ephezulutagukubekezelelana kwe-EFR24CMModule?
  A: Imojula ingakwazi ukubekezelela kufika ku-36V kumzila wesitimela we-12V, kodwa kufanele kuqashelwe uma usebenzisa leyo volthi.tage.

Incazelo

• I-EFR24CM Compute Module (eyaziwa nangokuthi “Imojula”) ihlanganisa i-Silicon Labs EFR32MG21 uchungechunge lwe-“Mighty Gecko” MCU enokwesekwa okwakhelwe ngaphakathi kwe-BLE no-802.15.4 okungenantambo. Ukwengeza, i-Module ifakwe i-pixel LED, i-Hall sensor, kanye nesilawuli samandla esibekezelela esingu-36V.
• Imojuli iza nothi oluphrintiwe, oluhlanekezelwe lwe-'F' 2.4GHz, kodwa inoxhumo lwe-antenna yentambo engu-3cm oyikhethela noma isixhumi se-U.FL.
• Unqenqema lwebhodi lwesokunxele nesokudla ludalula izikhonkwane ze-GPIO ezingu-20 ezivela ku-EFR32MG21 futhi lunikeza umhlabathi o-4 nokufinyelela kumareyili we-3V3 no-12V, kanye nolayini ophumayo wama-LED ukuze uvumele uchungechunge lwe-daisy lwama-LED engeziwe. Izikhonkwane ze-Thru-hole nazo zihlinzekwa ukuvumela ukulungiselelwa okuhlukahlukene kokwakha lapho isikhala siyinkinga.
• Amandla anganikezwa kuMojula ngokuqondile ngojantshi we-3V3, ohlinzeka ngama-IC ahlukahlukene, noma ngesitimela esingu-12V esiphakela isilawuli sikagesi.
• QAPHELA: Imojula ingakwazi ukubekezelela i-36V kumzila wesitimela we-12V, kodwa qaphela lapho usebenzisa i-voltagetage yalobu bukhulu njengoba Imojuli ingenakho ukuvikeleka kwamanje kwesikhashana.
• I-Module ihlanganisa i-EFR32MG21F1024A020IM32 MCU ekhiqizwe i-Silicon Laboratories, Inc, ene-80MHz ARM Cortex M33 , 96KB yenqama, 1024KB ye-on-die Flash, futhi eyakhelwe ku-BLE kanye nokusekelwa okungenantambo okungu-802.15.4.

Izici

• I-Bluetooth
  • Ukusekelwa kwe-Bluetooth 5.1
  • Ukusekelwa kwe-Bluetooth Mesh
• 802.15.4
  • Ukusekelwa kwe-Zigbee
  • Ukwesekwa kochungechunge
• Umsakazo HW
  • Izwela ku--104.5dBm ukwamukela
  • Ibanga Lemvamisa:
    • 2400MHz -
    • 2483.5MHz

I-Module Theory of Operation

Ukusebenza
I-EFR24CM Module kufanele imiswe ekufakweni.

• Kufanele kukhethwe i-antenna efanele
  • I-capacitor ye-10pF ebheke enyakatho kufanele ibe khona ukuze usebenzise i-antenna ephrintiwe *
  • I-capacitor engu-10pF ebheke empumalanga nesixhumi se-U.FL esingakhethwa kufanele sibe khona ukuze kusetshenziswe uthi lwe-8dBi lwangaphandle.
  • I-capacitor engu-10pF ebheke ngasentshonalanga kufanele ibe khona ukuze usebenzise uthi lwezintambo ezidayisiwe.
  • QAPHELA: I-capacitor EYODWA kuphela esekelwayo ngesikhathi.
• I-antenna ephrintiwe ingase ikhishwe ku-Module uma ingasetshenziswa.

Amandla kufanele anikezwe:

• Ingase inikeze ama-volts angu-2.0 – 3.6 kumzila wesitimela we-3V3 weMojuli ukuze inike amandla i-MCU nezingxenye, noma...
• Esikhundleni salokho kwangathi inikezela ngo-6 – 26V kumzila wesitimela we-12V weMojuli (Qaphela: qaphela ukufakwa kwamandla ngaphezu kuka-26V njengoba imojula ayinayo ivolumu yesikhashanatagukuvikelwa.
  Konke okunye ukuxhumana nokuziphatha kwemojuli kuncike ekusetshenzisweni kwemojuli. Sicela ubhekisele kunoma imaphi amadokhumenti engeziwe afakwe nemojuli, noma afakwe nomkhiqizo oqukethe imojula ukuze uthole imingcele yokusebenza eyengeziwe.

Isakhiwo Semojuli

Ukuxhumana

• Umfanekiso 2 kwesokudla ubonisa iPinout Yemojuli. Amaphedi ephinikhodi onqenqemeni kanye ne-thru-hole axhumeka kuma-MCU ahlosiwe, i-GPIO elungisekayo. Amanye amaphini abelana ngokusebenza nehadiwe kumojuli:
• Izikhonkwane ze-Edge 3 no-4 zingahlela idivayisi.
• I-Edge pin 25(thru-pin 20) ixhumeka kuphinikhodi yokufaka ye-LED esebhodini.
• I-Edge pin 24(thru-pin 10) ixhuma ekuphumeni kwenzwa yomphumela wehholo.

Ngokuvamile, Imojula ilungiselelwe ukusebenzisa uthi 'F' oluphrintiwe; nokho, ngokuhambisa i-capacitor ebheke enyakatho, i-10pF capacitor, ibhodi lingasetshenziswa nesixhumi se-U.FL (kusetshenziswa i-capacitor ebheke empumalanga), noma i-antenna yocingo engu-3cm (kusetshenziswa i-capacitor ebheke entshonalanga). Ngokujwayelekile, ibhodi nalo lizosikwa noma lihlwithwe ngenhla nje kwendawo yokuvikela (bona uMfanekiso 3 ngezansi) ukuze kwehliswe umkhondo weMojuli.

Ubukhulu

• Umfanekiso wesi-3 (kwesokunxele) ubonisa ukuxhunywa kweMojula kubekwe ezingeni lembonini elingu-1.27mm, elivumela ukuqondanisa kalula nengxenye yesithathu ye-ICs, kanye ne-3mm yokuvikela. Ubukhulu bebonke obungu-1.27mm x 23.00mm benza isigxivizo semojuli cishe silingane nesithupha sokuphrinta.
• Ngamandla, amaphedi oxhumano angu-12V ekupheleni kwebhodi anobubanzi obungu-1.5mm ngaphakathi okuvumela ukunqanyulwa kwemikhondo yamandla ngesikhathi sokuthuthukiswa.
  QAPHELA: Nakuba ikwazi ukwamukela intambo yegeji enkulu, izimfuneko zamandla Zemojuli aziqinisekisi izintambo ezinjalo.

Izimpondo Ongazikhethela

I-antenna kumojuli inganqanyulwa futhi ixhunywe kabusha ku-MCU nge-10pF capacitor yokuqondisa. Umzila we-capacitor obheke enyakatho usetshenziselwa uthi oluphrintiwe, olubheke empumalanga lusetshenziselwa isixhumi se-U.FL ozikhethela sona, kanti esibheke ngasentshonalanga sisetshenziselwa izimpondo zezintambo ezidayisiwe.
QAPHELA: I-capacitor ebheke enyakatho KUFANELE isuswe kumojula uma i-east- noma i-westfacing capacitor ifakiwe; kuphela umthamo ngesikhathi kungaba khona.

I-Antenna Ephrintiwe ethi 'F'
Idizayini ye-antenna kuMojuli esekelwe kudokhumenti ye-Silicon Laboratories 'AN1088. Lo mklamo ukhiqiza inzuzo engu-1.44dBi ku-2445MHz. Ingcaphuno evela ku-AN1088 yothi olungezansi

I-8dBi, i-Dual-band antenna
I-8dBi yangaphandle, i-dual-band antenna ku-Figure 5 kwesokudla ifakiwe nokwakhiwa kwephrojekthi ngokusekelwe ezidingweni zeklayenti. I-antenna izodinga isixhumi se-U.FL esingakhethwa kanye ne-capacitor ebheke empumalanga yengezwe kuMojuli.

Imininingwane kagesi

• Ibanga Lemvamisa (MHz): 2400-2650
• Umkhawulokudonsa (MHz): 2000
• Okokufaka Okuzimele (Ω): 50
• I-VSWR: ≤ 2.0
• Inzuzo (dBi): 8
• Amandla Okufaka Amakhulu (w) :5

Imininingwane Yemishini

• Ubude be-Antenna (mm) : 220
• Uhlobo lokuxhuma : I-SMA yesilisa
• Umbala weRadome: Mnyama
• Isisindo (g): 30

3cm I-antenna yocingo
Inketho yokugcina ye-antenna wuthi lwentambo engu-3cm, okuyintambo yeshubhu eshwabene, 30.5mm, 22AWG edayiswa ngebhodi leMojula eduze nendawo ephezulu. Idinga ukuxhunywa ngephedi ye-capacitor ebheke ngasentshonalanga ukuze ixhume ku-MCU. Ukucaciswa okufushane kungezansi.

ISITATIMENDE SE-FCC

Le divayisi ithobela Ingxenye 15 Yemithetho ye-FCC. Ukusebenza kungaphansi kwezimo ezimbili ezilandelayo: (1) Lolu cingo angeke lubangele ukuphazamiseka okuyingozi, futhi (2) Lolu cingo kufanele lwamukele noma yikuphi ukuphazamiseka okutholiwe, okuhlanganisa ukuphazamiseka okungase kubangele ukusebenza okungafuneki. Izinguquko noma ukuguqulwa okungagunyazwanga ngokucacile yinhlangano enesibopho sokuthobelana kungase kuchithe igunya lomsebenzisi lokusebenzisa okokusebenza. Lesi sisetshenziswa sihloliwe futhi satholwa ukuthi sithobela imikhawulo yedivayisi yedijithali Yekilasi B, ngaphansi kwengxenye 15 Yemithetho ye-FCC. Le mikhawulo iklanyelwe ukuhlinzeka ngokuvikeleka okufanele ekuphazanyisweni okuyingozi ekufakweni kwendawo yokuhlala. Lo mshini ukhiqiza, usebenzise, ​​futhi ungasakaza amandla efrikhwensi yomsakazo futhi, uma ungafakiwe futhi usetshenziswa imiyalelo, ungabangela ukuphazamiseka okuyingozi ezokuxhumana ngomsakazo. Nokho, asikho isiqinisekiso sokuthi ukuphazamiseka ngeke kwenzeke ekufakweni okuthile. Uma lesi sisetshenziswa sidala ukuphazamiseka okuyingozi emsakazweni noma kumabonakude, okunganqunywa ngokucisha nokuvula okokusebenza, umsebenzisi uyakhuthazwa ukuthi azame ukulungisa ukuphazamiseka ngesinyathelo esisodwa noma ngaphezulu kwezilandelayo:

• Hlela kabusha noma hambisa uthi olwamukelayo.
• Khulisa ukuhlukana phakathi kwezinto zokusebenza nomamukeli.
• Xhuma okokusebenza endaweni esesekethe ehlukile kuleyo lapho umamukeli axhumeke khona.
• Xhumana nomthengisi noma uchwepheshe werediyo/i-TV onolwazi ukuze uthole usizo.

Isitatimende Sokuchayeka Kwemisebe ye-FCC:
Lokhu okokusebenza kuthobelana nemikhawulo yokuchayeka emisebeni ye-FCC ebekwe endaweni engalawuleki. Ukuze ugweme ukuba nokwenzeka kokweqa imikhawulo yokuchayeka komsakazo we-FCC, ukusondelana komuntu nothi akufanele kube ngaphansi kuka-20cm (8 amayintshi) ngesikhathi sokusebenza okujwayelekile.

Imiyalo yokuhlanganisa yabakhiqizi bomkhiqizo abasingethe ngokuya nge-KDB 996369 D03 OEM Manual v01

Uhlu lwemithetho ye-FCC esebenzayo
I-FCC Ingxenye 15 Ingxenye Engaphansi C 15.247 & 15.209

Izimo zokusebenzisa eziqondile
Imojula enomsebenzi we-BLE/802.15.4. Imvamisa Yokusebenza: BLE 2402-2480MHz; 802.15.4 2405~2480MHz; Inombolo Yesiteshi: BLE: 40 Channel, 802.15.4: 16 Channel, Modulation: GFSK, OQPSK Type: PCB antenna Wire Antenna Dipole Antenna Gain: PCB antenna: 1.44dBi Wire antenna: 0dBi Dipole Antenna: 8dBi

Imojula ingasetshenziselwa izinhlelo zokusebenza zeselula ezinothi oluphezulu lwe-8dBi. Umkhiqizi osokhaya ofaka le mojula emkhiqizweni wakhe kufanele aqinisekise ukuthi umkhiqizo wokugcina oyinhlanganisela uthobela izimfuneko ze-FCC ngokuhlolwa kobuchwepheshe noma ukuhlola kumithetho ye-FCC, okuhlanganisa nokusebenza komthumeli. Umkhiqizi womsingathi kufanele aqaphele ukuthi anganikezi ulwazi

Izinqubo zemojula ezinomkhawulo
Akufaneleki. Imojula iyimojula Eyodwa futhi ithobelana nemfuneko ye-FCC Ingxenye 15.212.

Landelela imiklamo ye-antenna
Akufaneleki.

Ukucatshangelwa kokuchayeka kwe-RF
Imojula kufanele ifakwe kumshini wokusingathwa ngendlela yokuthi okungenani kugcinwe u-20cm phakathi kwe-antenna nomzimba womsebenzisi; futhi uma isitatimende sokuchayeka se-RF noma isakhiwo semojula sishintshiwe, umakhi womkhiqizo osokhaya kudingeka athwale isibopho semojula ngoshintsho ku-ID ye-FCC noma uhlelo lokusebenza olusha. I-ID ye-FCC yemojuli ayikwazi ukusetshenziswa emkhiqizweni wokugcina. Kulezi zimo, umkhiqizi womsingathi uzoba nesibopho sokuhlola kabusha umkhiqizo wokugcina (okuhlanganisa nesidlulisi) kanye nokuthola ukugunyazwa kwe-FCC okuhlukile.

Izimpondo
Ukucaciswa kwe-Antenna kungokulandelayo: Uhlobo: I-PCB uthi I-antenna I-Dipole Antenna Inzuzo: I-PCB ethi: 1.44dBi I-antenna yocingo: 0dBi I-Dipole Antenna: 8dBi

Lolu cingo luhloselwe abakhiqizi abasingathi kuphela ngaphansi kwalezi zimo ezilandelayo: Imojula yesidlulisi ngeke ibekwe endaweni kanye nanoma yisiphi esinye isidluliseli noma uthi; Imojula izosetshenziswa kuphela nothi lwangaphakathi oluhloliwe futhi lwaqinisekiswa ngale mojuli. I-antenna kufanele inamathiselwe unomphela noma isebenzise i-coupler 'eyingqayizivele' yothi. Inqobo nje uma izimo ezingenhla zihlangatshezwana nazo, ezinye izivivinyo zama-transmitter ngeke zidingeke. Nokho, umkhiqizi womsingathi usenomthwalo wemfanelo wokuhlola umkhiqizo wabo wokuphela ukuze athole noma yiziphi izimfuneko zokuthobela ezengeziwe ezidingekayo ngale mojula efakiwe (ngokwesibonelo.ample, ukukhishwa kwemishini yedijithali, izidingo ze-PC peripheral, njll.).

Ilebula nolwazi lokuhambisana
Abakhiqizi bomkhiqizo abasingathiwe badinga ukuhlinzeka ngelebula elingokoqobo noma le-e ethi “Iqukethe i-FCC ID: ULP-EFR24CM” nomkhiqizo wabo oqediwe.

Ulwazi lwamamodi okuhlola kanye nezidingo zokuhlola ezengeziwe Imvamisa yokusebenza: BLE 2402-2480MHz; 802.15.4 2405~2480MHz; Inombolo Yesiteshi: BLE: 40 Channel, 802.15.4:16 Channel, Modulation: GFSK, OQPSK Host Umkhiqizi kufanele enze isivivinyo sokukhishwa kwemisebe nokwenziwa kanye nokukhishwa okungamanga, njll ngokuya ngezindlela zokuhlola zangempela zesidlulisi esizimela sodwa semodular. kumsingathi, kanye namamojula amaningi adlulisa kanyekanye noma amanye ama-transmitter emkhiqizweni womsingathi. Kuphela uma yonke imiphumela yokuhlolwa yezindlela zokuhlola ithobelana nezimfuneko ze-FCC, umkhiqizo wokugcina uzothengiswa ngokusemthethweni.

Ukuhlola okwengeziwe, Ingxenye 15 Umshwana Wokuzihlangula Oyingxenye B
I-modular transmitter igunyazwe i-FCC kuphela ku-FCC Ingxenye 15 Ingxenye Encane C 15.247 & 15.209 futhi umkhiqizi womkhiqizo wokusingatha unesibopho sokuthobela noma yimiphi eminye imithetho ye-FCC esebenza kumsingathi ongakhaviwe yi-modular transmitter grant of certification. Uma onikezwayo emakethe umkhiqizo wakhe njengothobela Ingxenye 15 Engaphansi B (lapho futhi iqukethe isifunda sedijithali serediyetha), khona-ke onikezwayo uzohlinzeka ngesaziso esisho ukuthi umkhiqizo wokugcina wokuba usokhaya usadinga ukuhlolwa kokuthobela Ingxenye 15 Ingxenye B efakwe isidluliseli esiyimodular.

Isitatimende se-Federal Communication Commission

Lesi sisetshenziswa sihloliwe futhi satholwa ukuthi sithobela imikhawulo yedivayisi yedijithali Yekilasi B, ngaphansi kweNgxenye 15 yeMithetho ye-FCC. Le mikhawulo iklanyelwe ukuhlinzeka ngokuvikeleka okufanele ekuphazanyisweni okuyingozi ekufakweni kwendawo yokuhlala. Lo mshini ukhiqiza, usebenzise, ​​futhi ungasakaza amandla efrikhwensi yomsakazo futhi, uma ungafakiwe futhi usetshenziswa imiyalelo, ungabangela ukuphazamiseka okuyingozi ezokuxhumana ngomsakazo. Nokho, asikho isiqinisekiso sokuthi ukuphazamiseka ngeke kwenzeke ekufakweni okuthile. Uma lesi sisetshenziswa sidala ukuphazamiseka okuyingozi emsakazweni noma kumabonakude, okunganqunywa ngokucisha nokuvula okokusebenza, umsebenzisi uyakhuthazwa ukuthi azame ukulungisa ukuphazamiseka ngesinye salezi zinyathelo ezilandelayo:

• Hlela kabusha noma hambisa uthi olwamukelayo.
• Khulisa ukuhlukana phakathi kwezinto zokusebenza nomamukeli.
• Xhuma okokusebenza endaweni yokuphuma kuyisekethe ehlukile kuleyo lapho umamukeli axhumeke khona.
• Xhumana nomthengisi noma uchwepheshe werediyo/TV onesipiliyoni ukuze uthole usizo.

Le divayisi ithobela Ingxenye 15 Yemithetho ye-FCC. Ukusebenza kungaphansi kwezimo ezimbili ezilandelayo: (1) Lolu cingo angeke lubangele ukuphazamiseka okuyingozi, futhi (2) lolu cingo kufanele lwamukele noma yikuphi ukuphazamiseka okutholiwe, okuhlanganisa ukuphazamiseka okungase kubangele ukusebenza okungafuneki.

Isexwayiso se-FCC:
Noma yiziphi izinguquko noma ukuguqulwa okungagunyazwanga ngokucacile yinhlangano enesibopho sokuthobela imithetho kungasusa igunya lomsebenzisi lokusebenzisa lesi sisetshenziswa.

AMANOTHI ABALULEKILE
Isexwayiso sendawo eyodwa:
Lesi sithumeli akumele sibekwe endaweni eyodwa noma sisebenze ngokuhlangana nanoma iyiphi enye i-antenna noma isidluliseli.

Imiyalo yokuhlanganiswa kwe-OEM:

Le divayisi ihloselwe kuphela izihlanganisi ze-OEM ngaphansi kwalezi zimo ezilandelayo: Imojula yesidlulisi ngeke ibekwe ndawonye nanoma yisiphi esinye isidluliseli noma uthi. Imojuli izosetshenziswa kuphela no(izi)antenna lwangaphandle oluhlolwe ekuqaleni futhi lwaqinisekiswa ngale mojula. Inqobo nje uma izimo ezingenhla zihlangatshezwana nazo, ezinye izivivinyo zama-transmitter ngeke zidingeke. Kodwa-ke, isihlanganisi se-OEM sisenomthwalo wemfanelo wokuhlola umkhiqizo wabo wokugcina nganoma yiziphi izimfuneko zokuthobela ezengeziwe ezidingekayo ngale mojula efakiwe (ngokwesibonelo.ample, ukukhishwa kwemishini yedijithali, izidingo ze-PC peripheral, njll.). Ukufaneleka kokusebenzisa isitifiketi semojula:
Uma le mibandela ingenakufinyelelwa (isibampezinye izilungiselelo ze-laptop noma co-
indawo enomunye umthumeli), bese ukugunyazwa kwe-FCC kwale mojula kuhlanganiswe nezinto zokusingathwa akusabhekwa njengokuvumelekile futhi i-ID ye-FCC yemojula ayikwazi ukusetshenziswa emkhiqizweni wokugcina. Kulezi zimo, isihlanganisi se-OEM sizoba nesibopho sokuhlola kabusha umkhiqizo wokugcina (okuhlanganisa nesidluliseli) kanye nokuthola ukugunyazwa kwe-FCC okuhlukile.

Qeda ukulebula komkhiqizo:
Umkhiqizo wokugcina kufanele ulebulwe endaweni ebonakalayo ngalokhu okulandelayo: “Iqukethe i-FCC ID ye-Transmitter Module: ULP-EFR24CM.

Ulwazi okufanele lufakwe encwadini yomsebenzisi wokugcina:
Umdidiyeli we-OEM kufanele aqaphele ukuthi anganikezi umsebenzisi wokugcina ulwazi mayelana nendlela yokufaka noma ukususa le mojula ye-RF encwadini yomsebenzisi yomkhiqizo wokugcina ehlanganisa le mojula. Imanuwali yomsebenzisi wokugcina izofaka yonke imininingwane yokulawula edingekayo/izixwayiso njengoba kukhonjisiwe kule manuwali.

Amadokhumenti / Izinsiza

interactive EFR24CM Compute Module [pdf] Incwadi Yeziqondiso I-EFR24CM Compute Module, EFR24CM, Compute Module, Module

Izithenjwa

• Imaniwali yosebenzisayo