Mô đun thu phát tín hiệu không dây kết nối bluetooth HC-05 RF RS232 / TTL tới UART

1, A mainstream CSR bluetooth chip, bluetooth standard V2.0 agreement. 2, modules, power supply voltage: 3.3 V to 3.6 V. 3, the default parameters: baud rate, pairing code 1234, 9600 working mode From the machine. 4, the core module size: 27 mm x 13 mm x 2 mm. 5, working current: matching: 30 ~ 40 ma pairing is not communication: 2 ~ 8 ma communication: 8 ma without sleep. 6, communication distance: open 10 m, under the condition of normal use environment around 8 m. 7, used for GPS navigation systems, water and electricity gas meter reading system, industrial control system, can add bluetooth adapter with bluetooth laptops, computers, PDA and other devices for seamless connection. 8, can hold to STC microcontroller wireless upgrade and download the program. Power supply: +3.3VDC 50mA Working temperature: -20 ~ +75 Centigrade Dimension: 26.9mm x 13mm x 2.2 mm #HC-05