HC-05 Can be applied between the host computer , the host computer and the microcontroller or peripheral formed between point to point, multipoint remote multi-machine communication network to achieve multi-machine communication is widely used in answering industrial automation and control systems, card , access control systems, consumer systems , attendance systems, parking systems , self-service banking system , bus charging system , highway toll systems, etc.
2.The performance parameters
1,The interface features : Compatible with EIA / TIA of RS-232C, RS-485 standard
2,The electrical interfaces : RS-232 DB9 female connector terminal , RS-485 DB9 male connector end with terminal
3,Working mode: asynchronous half-duplex differential transmission
4 The transmission media: twisted pair or shielded cable
5 The transmission rate :300-115 .2 KBPS
6 Dimensions : 63mmX35mmX17mm
7,The use of the environment : -20 ℃ to 50 ℃, relative humidity of 5% to 95%
8.The transmission distance : 1,200 meters (RS-485 end )
