I-Raspberry Pi Pico W ifika kunye ne-Wi-Fi kwaye i-$ 6 kuphela

Eben Upton, Raspberry Pi uMseki, kutshanje ubhengeze i "Raspberry Pico W" entsha nge-Wi-Fi eyakhelweyo. I-Raspberry Pi Pico W yinguqulelo ephuculwe kancinane yonyaka ophelileyo ye-4 ye-Raspberry Pi Pico.

Kufuneka kuqatshelwe ukuba ngenxa yoko ayinakusetyenziswa njengekhompyuter; endaweni yoko, isebenza njengebhodi ye-microcontroller yeeprojekthi ze-elektroniki ze-DIY. Njengokuqala kwePi Pico, ine-RP2040 microcontroller ene-ARM Cortex-M0 + cores ezimbini kunye ne-264kB ye-SRAM.

Kwabo bangekayazi iRaspberry Pi, kufuneka bazi ukuba oku i-ARM-based single board nanocomputer Ubungakanani bekhadi letyala elenziwe ngabaprofesa beSebe leSayensi yeKhompyutha kwiYunivesithi yaseCambridge njengenxalenye yeRaspberry Pi Foundation.

Yenzelwe ukwenza idemokhrasi kwikhompyuter, ukufikelela kwiikhompyutha kunye nokudalwa kwedijithali. IRaspberry Pi ixhasa ukwenziwa kwezinto ezininzi ezahlukeneyo ze-GNU/Linux, ngakumbi iDebian, kunye nesoftware ehambelanayo. Ikwasebenza nenkqubo yokusebenza ye-Microsoft Windows: Windows 10 IoT Core6, Windows 10 kwi-ARM, iGoogle Android Pi7 kunye nenguqulelo ye-IBM's OS/MVT ehamba nenkqubo ye-APL\3602.

“NgoJanuwari wonyaka ophelileyo, saphehlelela i-4 yeedola zeRaspberry Pi Pico, imveliso yethu yokuqala esekwe kwisilicon eyilwe apha eRaspberry Pi. Intliziyo yayo yi-RP2040 microcontroller, eyakhelwe kwinkqubo ye-TSMC yamandla aphantsi we-40nm kwaye idibanisa ii-cores ezimbini ze-133MHz Arm Cortex-M0+, i-264KB ye-on-chip SRAM, kunye nenkqubo yethu ekhethekileyo ye-I / O ephantsi kolawulo, "utshilo u-Eben Upton.

Malunga neRaspberry Pico W

I-Raspberry Pi Foundation ikhuphe amalungu amathathu amatsha osapho lwePico. I-Raspberry Pi Pico W (i-$ 6) izisa i-802.11n inethiwekhi engenazintambo kwi-platform yePico, ngelixa igcina ukuhambelana okupheleleyo kunye nomntakwabo omkhulu. I-Pico H (i-$5) kunye ne-Pico WH (i-$7) yongeza iiheader ezilayishwe kwangaphambili kunye ne-3-pin yethu entsha yokudibanisa i-debug kwi-Pico kunye ne-Pico W ngokulandelelana. I-Pico H kunye ne-Pico W ziyafumaneka namhlanje; Incopho WH iya kulandela ngo-Agasti.

Olona hlaziyo luphambili ngePico W yimodyuli edibeneyo ye-2,4 GHz Wi-Fi, olulongezo oluluncedo kuye nabani na ozama ukuzakhela izixhobo zasekhaya ezihlakaniphile okanye ezinye iiprojekthi ezinjalo. ace.

Ukusukela ekusungulweni kwayo, phantse zizigidi ezibini amakhadi ePico athengisiwe, kwaye i-RP2040 ifumene indlela yayo kwiimveliso zomntu wesithathu. I-RP2040 ilungele ukusetyenziswa kwezorhwebo nezoshishino, kwaye ukunqongophala kwehlabathi jikelele kwee-semiconductors kuye kwakhawulezisa ukwamkelwa kwayo.

Ngememori enkulu kunye ne-interface eguquguqukayo, i-RP2040 ifanelekile kwi-Intanethi yezinto (IoT) izicelo. Nangona kunjalo, i-Pico ngokwayo inophawu olulahlekileyo lwe-IoT: indlela yokuqhagamshela kwinethiwekhi, kodwa le meko yathathelwa ingqalelo kunye neqela kwi. I-Raspberry isebenze kunye ne-Infineon ukongeza i-CYW43439 yabo engenazingcingo kwi-Pico W. Isekethe yerediyo ifakwe kwimeko yentsimbi, ukunciphisa iindleko zokuthotyelwa kubathengi abafuna ukuyidibanisa kwiimveliso zabo.

Into enomdla ngayo kukuba I-CYW43439 ixhasa iBluetooth yeClassic kunye neBluetooth Low-Energy, nangona kufanelekile ukukhankanya ukuba iqela lophuhliso lweRaspberry alizange liyenze iBluetooth xa isungulwa kwiPico W.

Ngaphezu koko i-SDK yakhululwa equka inkxaso yoqhagamshelwano olungenazingcingo, i-networking stack yakhiwe malunga ne-lwIP kwaye isebenzisa i-libcyw43 kaDamien George (eyaziwa ngomsebenzi wakhe kwi-MicroPython) ukunxibelelana ne-wire chip.

Ngokungagqibekanga, i-libcyw43 inelayisenisi yokungasetyenziswanga kurhwebo, kodwa abasebenzisi be-Pico W kunye nabani na ophuhlisa imveliso yabo malunga ne-RP2040 kunye ne-CYW43439 bafumana ilayisenisi yasimahla yosetyenziso lwentengiso.

Abasebenzisi IMicrosoftPython Kukhankanyiwe ukuba banako khuphela umfanekiso ohlaziyiweyo we-UF2 ngenkxaso yenethiwekhi yePico W.

Ukuqalisa izikhokelo ze-C kunye ne-MicroPython, kunye neekhonkco kumaxwebhu amanqanaba e-API, ye yiba kwi-intanethi, ziyafumaneka kwi icandelo le-microcontroller.

Okokugqibela, ukuba unomdla wokwazi okungakumbi ngayo, unokujonga kwiinkcukacha Kule khonkco ilandelayo.


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