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    This Bluetooth 4.0 TTL transceiver module allows you to communicate with any gadget using the highly energy efficient Bluetooth 4.0 specification


    • Power input: 3.6V-6V DC(Can not higher than 6V)
    • It’s easy to use and safely enclosed in a plastic sheath
    • Bluetooth version: V4.0
    • Default baud rate: 9600 (Adjustable baudrate)
    • Default serial port setting: 9600, N, 8, 1
    • Operates as slave or master.
    • Ultra-low standby power consumption 90uA~400uA
    • Coverage up to 60 meters
    • Built in PCB antenna
    • Size: 43mm x 15mm
    • VCC: input power supply 3.3~6V, Prohibit more than 7V
    • GND: Ground
    • TX: transport
    • RX: receive
    • State: when bluetooth is connected , output “High level”, “no conntected” output “low level”
    • en:when module is connected, give a high level to “EN”,the module will disconnected.
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