Video: Bluetooth server yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Bluetooth yog lub wireless kev sib txuas lus thev naus laus zis rau cov neeg tsim khoom uas tso cai rau cov khoom siv sib txuas lus nrog ib leeg yam tsis tas yuav muaj lub hauv paus ntaus ntawv zoo li router lossis chaw nkag.
Ntxiv mus, Bluetooth yog dab tsi thiab nws ua haujlwm li cas?
Bluetooth technology tseem ceeb ua haujlwm los ntawm kev siv luv-nqi wireless kev sib txuas lus thev naus laus zis los txuas ob lub cuab yeej ua ke. Qhov no tshem tawm qhov xav tau ntawm cables lossis xov hlau. Bluetooth tso cai rau koj los mloog suab paj nruag ntawm koj lub xov tooj ntawm tes, ntsiav tshuaj lossis iPad los ntawm lub mloog pob ntseg wireless.
Qhov thib ob, qhov txawv ntawm BLE thiab Bluetooth yog dab tsi? Bluetooth , tus yuam sij txawv yog nyob rau hauv Bluetooth 4.0 lub zog siv tsawg. Ib yam li Bluetooth , BLE ua haujlwm hauv 2.4 GHz ISM band. Tsis zoo li classic Bluetooth , txawm li cas los xij, BLE tseem nyob hauv hom pw tsaug zog tas li tshwj tsis yog thaum pib kev sib txuas.
Ib yam li ntawd, koj tuaj yeem nug, dab tsi yog ble server?
BLE : Master Central Slave Peripheral Client Server , Peb Tsis Tau Pib Hluav Taws… Ib qho khoom siv sab nraud tshaj tawm nws tus kheej thiab tos rau lub hauv paus los txuas rau nws. Lub peripheral feem ntau yog ib qho khoom me me xws li Fitbit lossis smartwatch.
BLE central thiab peripheral yog dab tsi?
Central thiab Peripheral Cov luag haujlwm no tuaj nyob rau hauv GAP txheej, uas yog lub luag haujlwm rau kev tshawb nrhiav thiab kev sib txuas ntawm cov khoom siv. Peripheral : Xa tawm kev tshaj tawm los qhia nruab nrab cov khoom siv uas nws tau npaj rau kev sib txuas. Central : Scans rau kev tshaj tawm los ntawm peripheral pab kiag li lawm thiab pib kev sib txuas.
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