Customer’s impression:
good Very good very useful bluetooth bypass module Upgradeable Firmware!
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  • Works fine :)

    posted by loverulez on 11/19/2013

    Involvement:Expert (understands the inner workings) - Ownership:1 week to 1 month


    Good price, quality is ok. Easy to configure. You can easy found the datasheets in the internet.
    Module is very small but is easy to solder.
    Cheapest solution - buy it if you want to connect to devices with UART via BT.


    It's a slave module only. Module HC-05 can work as a slave or master.


    Datasheet is minimal. Rx input isn't probably 5V tolerant. If you work with 5V tx signal from uC you can add a 1k series resistor and 3,3V zener diode to gnd from Rx pin in module.


    Great product with tiny size.

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