Customer’s impression:
almost burnt my arduino and usb port with it
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  • Great product!

    posted by Dutnn on 06/05/2013
    4 0

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

    Pros:

    Great build quality and works great and easy when you know the controller is a "ST7920". I used it for my energy node to display the values from my wireless sensor nodes. SPI (serial) worked great, on the internet there is a lot of information about this product!

    Cons:

    The only problem I had is that the screen should run on 3.3 volt (between 2,7 and 5,5v according to the specs). When I run the screen on 3.3V the brightness is to light to have a good view. I'll tried a POT (10K) to fix this but I had no success. Now the processor is running on 3.3v and the screen at 5v. That works great!

    OtherThoughts:

    Delivery was fast. (in about 15 days), packaging was good and the product worked as suspected.

    Bottomline:

    None.

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