MODULO BLUETOOTH HC-05 4 PIN Arduino compatible WIRELESS UNO R3 integrated expansion board

MODULO BLUETOOTH HC-05 4 PIN Arduino compatible WIRELESS UNO R3 integrated expansion board

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MODULO BLUETOOTH HC-05 4 PIN ARDUINO WIRELESS UNO R3 integrated expansion board Product Features: 1 Core module uses HC-05 from the module, leads to interface includes VCC, GND, TXD, RXD, KEY pin, pin-out Bluetooth connection status (STATE), low output is not connected, the connection of high output 2, led Indicates Bluetooth connection status, Bluetooth connectivity means no flash, slow flash that enter the AT mode, double flash indicates Bluetooth connection and open ports 3, bottom set anti-reverse diode with 3.3V LDO, input voltage 3.6 ~ 6V, when the unpaired current is about 30mA, paired about 10mA, the input voltage must not exceed 7V! 4, interface level 3.3V, can be directly connected to various SCM (51, AVR, PIC, ARM, MSP430, etc.), 5V microcontroller can also be connected directly, without MAX232 MAX232 can not go through! 5, open to the effective distance of 10 meters (power rating of CLASS 2), more than 10 meters are possible, but do not make this connection to ensure the quality of distance 6, after the pair when full-duplex serial interface, without having to know any Bluetooth protocol, supports 8 data bits, 1 stop bit, parity communication format can be set, which is the most common communication format does not support other formats. 7, can be pulled 34 feet into the AT command mode setting parameters and query information 8, small size (3.57cm * 1.52cm), factory chip production to ensure the quality of the patch. Transparent shrink tube and sleeve, dust and beautiful, and there is a certain anti-static capabilities. 9, can be selected via AT command as master or slave mode, can be connected to the specified device through AT commands 10, support from inter-standard baud rate of 4800bps ~ 1382400bps



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