Bi a ti mọ, Bluetooth module ti pin si meji orisi: Classic Bluetooth (BR/EDR) ati Bluetooth Low Energy (BLE). Ọpọlọpọ awọn profaili ti Ayebaye Bluetooth ati BLE: SPP, GATT, A2DP, AVRCP, HFP, bbl Fun gbigbe data, SPP ati GATT jẹ julọ nigbagbogbo lo Classic Bluetooth ati awọn profaili BLE lẹsẹsẹ.
Kini profaili SPP?
SPP (Profaili Port Serial) jẹ profaili Bluetooth Alailẹgbẹ, SPP n ṣalaye awọn ibeere fun awọn ẹrọ Bluetooth ti o ṣe pataki fun eto awọn asopọ okun ni tẹlentẹle ti a ṣe pẹlu lilo RFCOMM laarin awọn ẹrọ ẹlẹgbẹ meji. Awọn ibeere naa jẹ afihan ni awọn ofin ti awọn iṣẹ ti a pese si awọn ohun elo, ati nipa asọye awọn ẹya ati ilana ti o nilo fun ibaraenisepo laarin awọn ẹrọ Bluetooth.
Kini profaili GATT?
GATT (Profaili Iwa Jeneriki jẹ profaili BLE, o ṣe alaye awọn pato fun awọn ẹrọ BLE meji lati ṣe ibaraẹnisọrọ nipasẹ Iṣẹ ati Ihuwasi, awọn ẹgbẹ meji ti ibaraẹnisọrọ GATT jẹ ibatan alabara / olupin, Agbeegbe jẹ GATT Server, Central jẹ alabara GATT, gbogbo awọn ibaraẹnisọrọ , mejeeji ti wa ni initiated nipa Client, ati ki o gba awọn esi lati Server.
SPP + GATT konbo
SPP ati GATT n ṣe ipa ti gbigbe data, o yẹ ki a ṣe akiyesi pe nigba lilo module Bluetooth fun ibaraẹnisọrọ pẹlu ohun elo alagbeka, fun iOS foonuiyara, BLE (GATT) nikan ni atilẹyin profaili gbigbe data ọna meji ti o ni ọfẹ lati lilo, fun Android foonuiyara, atilẹyin awọn mejeeji SPP ati GATT, ki bi pataki ni a module atilẹyin SPP ati GATT.
Nigbati module Bluetooth ba ṣe atilẹyin SPP & GATT mejeeji, o tumọ si pe o jẹ module mode-meji Bluetooth kan. Eyikeyi awọn modulu ipo-meji Bluetooth ti a ṣeduro bi?
Awọn modulu meji wọnyi ko dara pupọ fun ohun elo rẹ? Ma ṣe ṣiyemeji lati kan si Feasycom bayi!
Ibatan si awọn Ọja
FSC-BT836B
Bluetooth 5 Meji-Mode Module Ga-iyara Solusan
FSC-BT836B ni a Bluetooth 5.0 meji-mode module, julọ ẹya-ara ni ga data oṣuwọn, ni SPP mode, awọn data jẹ soke si 85KB/s, nigba ti ni GATT mode, awọn data oṣuwọn jẹ soke si 75KB/s (Nigbati o ṣe. idanwo pẹlu iPhone X).
Main Awọn ẹya ara ẹrọ
● Ipo meji Bluetooth 5.0 ti o ni kikun.
● Iwọn ontẹ ifiweranṣẹ: 13 * 26.9 * 2mm.
● Atilẹyin kilasi 1.5 (agbara iṣẹjade giga).
● Atilẹyin awọn profaili: SPP, HID, GATT, ATT, GAP.
● Iwọn UART Baud aiyipada jẹ 115.2Kbps ati pe o le ṣe atilẹyin lati 1200bps titi de 921.6Kbps.
● UART, I2C, USB hardware atọkun.
● Ṣe atilẹyin igbesoke OTA.
● Ṣe atilẹyin Apple MFi(iAP2)
● BQB, FCC, CE, KC, TELEC Ifọwọsi.
FSC-BT909
Long Range Bluetooth Module Meji-Mode
FSC-BT909 jẹ ẹya Bluetooth 4.2 meji-mode module, eyiti o jẹ module Class 1, iwọn gbigbe le de ọdọ awọn mita 500 nigbati o ṣafikun pẹlu eriali ita.
Awọn modulu meji wọnyi ko dara pupọ fun ohun elo rẹ? Ma ṣe ṣiyemeji lati kan si Feasycom bayi!
Main Awọn ẹya ara ẹrọ
● Bluetooth ti o ni kikun 4.2/4.1/4.0/3.0/2.1/2.0/1.2/1.1
● Iwọn ontẹ ifiweranṣẹ: 13 * 26.9 * 2.4mm
● Atilẹyin Kilasi 1 (Agbara to +18.5dBm).
● Eriali seramiki ti a ṣepọ tabi eriali ita (aṣayan).
● Iwọn UART Baud aiyipada jẹ 115.2Kbps ati pe o le ṣe atilẹyin lati 1200bps titi de 921Kbps.
● UART, I2C, PCM/I2S, SPI, USB atọkun.
● Awọn profaili pẹlu A2DP, AVRCP, HFP/HSP, SPP, GATT
● USB 2.0 ẹrọ kikun-iyara / ogun / OTG oludari.
