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mcu module Customers Reviews

  • Excellent part for DIY projects

    posted by blackkite

    I'm using this level conversion module with JY-MCU Blutooth module. I highly recommend use these two modules together. This level shifter will keep your blutooth in safe . In addition you can use this module with other modules if it's request is 3.3 V.It is cheap.
    I'm newbee in Arduino. If your DIY part need 3.3 Volt, you burn it if you give it 5 V by mistaken.
    Buy it. You will exactly need this module.
  • very good product

    posted by barzata

    i've used it with arduino and works perfectly, only 4 wires to attach, keep an eye to give 3,3v instead of 5v to power the device, and a voltage dividir for the Rx pin, if you'r using arduino
    -It fits perfect for my porpuse-if your' using it with batteryes, keep sure that you'r using a good brand one, becasuse i've tried with cheap batteries and it does'nt work
    i'd recommend this itemit works good even at 115200 bps
  • Works very well

    posted by slePP

    This is a very low cost module for what is on it. With all the buttons, dual colour LEDs and full 8 digit display, an awful lot of information can be conveyed. I used it for a ping time tracker, using the LEDs as a bar graph and the actual results on the LED digits.These can be chained to multiple units using the included cables.
    Buy a few, you'll find all sorts of little uses for them.
    Chaining three together to an Arduino makes for a nice little stock ticker.
  • Great solutions for 3.3V development boards!

    posted by pcmihnea

    I recently bought an Arduino Due board, of which it's GPIO pins operate at 3.3V, not 5V as other boards do. Instead of improvising a level converter myself, I decided it's best to buy a already made and tested one. Even though it only has 4 bidiractional ports, it's more than 0 that I had. To use it, you only need a 3.3V and 5V supply, and that's it! A red SMD led confirms power is present, so you can start using 5V signal on a 3.3V pin (or vice-versa).
    None so far.
    Great little level converter!
  • Super product for Arduino

    posted by rainerradow

    I got it run within 15 minutes. Longest time was to solder the wires. The "Ethercard" library works without changes. This comes with good examples You will find it at https://github.com/jcw/ethercard. With it you can run a small webserver for example. If you have a DYNDNS and open the port 80 to your private network all your friend can look at it - fun!
    You can find a description of my setup on my private homepage at http://http://rainer.radow.org/arduino/radowino-ethercard-de.php
    Buy it and use it!
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