Description Note This module does not suitable for IOS system The core module HC 06 main modules leads the interface includes VCC GND TXD RXD KEY pin high trigger to clear the pairing information re searchled indicate bluetooth connection status flash unpaired slow flash indicates paired but not slave connection Always follow machine connectedBackplate settings LDO input voltage of 3 6 6V unpaired current is about 30mA paired 10mA input voltage prohibit more than 7V absolute prohibition of reverse power Interface level 3 3V can be directly connected the various 51 AVR PIC ARM MSP430 etc the 5V MCU also can be connected directly without MAX232 can not go through the MAX232 Open to effective distance of 10 meters over 10 meters is also possible but not of this the quality of the connection of the distance do to ensureThe pair later when full duplex serial use do not need to know anything about the bluetooth protocol but only supports 8 data bits 1 stop bit no parity communication format which is the most commonly used communication format does not support other formats Support to establish a bluetooth connection through AT commands set the baud rate passkey set parameters are saved after bluetooth connection is automatically switched to the pass through mode Wireless serial bluetooth port with free extension cable With transparent shrink tube dust and beautiful and there is a certain degree of anti static capabilities Size 3 57cm x 1 52cmTips T