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wireless bluetooth module

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wireless bluetooth module Customers Reviews

  • Good item for those who need rs232 db9 male or female

    posted by przemossj4

    Good position for those who need to DB9 RS232 male or female in one device, simple ease of connection, immediately runs without any error
    Suitable for beginners electronics, wireless do for rs232 , good price for such a device
    good price !!!, good quality !!!, ease of installation !!!,
  • great

    posted by asgar5

    Cheap and small. in fact it works right out of the boc. Beware of the fact that it need 3.3 volts, not 5 volts. I had it laying around for some tiem and decided one day to just solder it together on an arduino type shiled. Was one in no time and worked immediately. It is recognized as linvor serial interface. pincode 1234. Both my phone and my computer found it without trouble. connected it to a stand alone Atmel 328 with bootlaoder and it was fairly easy to communicate with the chipI Built it on a piece of stripboard, a bit bigger than necessary, because I wanted it to fit on an arduino and that worked wonderwel
    I added some components so it could easily communicate with a microcontroller lik ethe arduino. Make sure you feed it with 3.3 volts and make sure you hook up the module RX to the Uarts's TX via a s voltage divider
    buy it
  • Very small, Slow, easy to use and cheap

    posted by SONYJON

    It's very small and cheap. There are a lot of tutorials to use it. Perfect for small wireless projects. Build quality is good. The cable fits perfectly on the module. You can change the name and baud rate.
    Range +- 10m. It took a while the change the name with AT commands, but it works fine.
    Small, cheap, easy, but a bit slow.

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