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4.93 out of 5
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  • 18/10/2021

    the bluetooth modules I received are zs-h040 HC-05. the modules HC-05 and HC-06 use the same board but have substantial differences. HC-06 does not have a switch button which in HC-05 is for module configuration. HC-06 has only 4 PIns unlike HC-05 which has 6 PIns. HC-06 can only work as a slave and therefore can only accept connections. HC-05 can also initialize the connection with other device. Note: since the bluetooth communicates in serial, when you go to load the sketch from the computer to Arduino, it is necessary that the PIn RX0 and TX1 are free to avoid conflicts. if the PIns are occupied by the bluetooth module there will be an error that will not allow the correct conclusion of the operation

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  • 18/11/2020

    Works very well

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  • 25/07/2019

    Very well packed, quick ship, no brazillian taxes. Very good. Works very fine! Thanks.

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  • 17/10/2018

    Muy bueno, excelente calidad.

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  • 03/04/2018

    The device is conform to the description Easy to plug, Easy to connect, Easy to communicate. It's a good product easy to use. If you try, you can't do without.

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  • 24/05/2016

    HC-05 makes easy connecting a personal computer and arduino via blue tooth. Nice trouble free work.

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  • 14/10/2016

    Nice, compact bluetooth transceivers. You will 100% need both the HC-05 datasheet and an example sketch to use these with an arduino. Each comes individually wrapped in anti-static bags. Best price for 5 that I have seen. Bluetooth range is only about 30-50 feet (10-20m).

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  • 03/08/2022


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  • 29/04/2022

    quick delivery all complete yet to test

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  • 05/12/2021

    It works well.

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