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    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 4
    • Usefulness: 5
    2 DXPoints
    earned for this post
    I2C LCD adapter board

    posted by JBSchueler on 09/09/2013 Certified Owner

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

    Pros:
    Works great. Easy to install and works with the HD44780 chip. Driver seems to work ok and have this product used already in several projects of mine.
    Cons:
    Does not work with the default library. I had to download the driver as mentioned in the details. http://www.kuaipan.cn/file/id...
    View Detail » 
    • Overall Rating: 4
    • Price: 5
    • Quality: 3
    • Ease Of Use: 5
    • Usefulness: 3
    2 DXPoints
    earned for this post
    Extreme low budget usb charging adapter

    posted by JBSchueler on 08/15/2013 Certified Owner

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

    Pros:
    Extremely cheap. very handy to have them around to charge your phone or other type of device.
    Cons:
    I bought them to power some 433MHz nodes to turn lights on and off. The charging module is producing way to much EMC. This caus...
    View Detail » 
    • Overall Rating: 5
    • Price: 4
    • Quality: 5
    • Ease Of Use: 4
    • Usefulness: 5
    2 DXPoints
    earned for this post
    PIR Motion Activated LED Night Light

    posted by JBSchueler on 07/02/2013 Certified Owner

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

    Pros:
    This is very handy where you need some light in the dark and you don't have an power outlet in that area. It has a strong bright, somewhat blue/white LED. It detects the smallest movement very well.
    Cons:
    It uses four batteries. But he... that should be a big concern right? There are no adjustment for the level of detection of li...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    8 7-segment display

    posted by JBSchueler on 03/12/2013 Certified Owner

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

    Pros:
    Very easy to use 7 segment display. Had to figure out the connections and how to drive ( common anode or cathode ) this 7 segment display. Within 5 minutes I had it working. You can drive the display with the spi interface of the arduino. The first byte y...
    Cons:
    None that I can think of...
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    433MHz antenna

    posted by JBSchueler on 03/11/2013 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

    Pros:
    I ordered a lot of these devices now. To get a good range I used antenna's from an other project. Easy to build your own. With an Arduino and the right libraries you can automate your home with ease. Works great with KiKa. Read this document to see how I ma...
    Cons:
    None that I can think of.
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Easy DIY 433MHz antenna

    posted by JBSchueler on 03/11/2013 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:more than 1 month

    Pros:
    I ordered a lot of these devices now. To get a good range I used antenna's from an other project. Easy to build your own. With an Arduino and the right libraries you can automate your home with ease. Works great with KiKa. Read this document to see how I ma...
    Cons:
    None that I can think of... Work right away and compatible with arduino, mbed and all kind of other mircocontroller boards.
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Great 433MHz transmitter

    posted by JBSchueler on 02/01/2013 Certified Owner

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

    Pros:
    Amazing chep and great performance. Works straight out of the box with the arduino virtualwire. In the upcoming day I will check if I can connect it directly to the uart port of the arduino to have more easy communication. I want to use these devices for my...
    Cons:
    Well... I don't have any cons till now and I can not think of any, Especially for this price!!!
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    Great 433MHz reciever

    posted by JBSchueler on 02/01/2013 Certified Owner

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

    Pros:
    Amazing chep and great performance. Works straight out of the box with the arduino virtualwire. In the upcoming day I will check if I can connect it directly to the uart port of the arduino to have more easy communication. I want to use these devices for my...
    Cons:
    Well... I don't have any cons till now and I can not think of any. Especially for this price!!!
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 5
    • Ease Of Use: 4
    • Usefulness: 4
    2 DXPoints
    earned for this post
    Cheap Nokia 5110 LCD

    posted by JBSchueler on 11/02/2012 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:less than 1 day

    Pros:
    Very cheap and good product. Works just as it should. It a 5V version which can be connected to the Arduino right away. I posted a photo which shows the adafruit demo. Had some troubles at first but it seems that the contrast value of 50 was way to high. Wh...
    Cons:
    Non as far I tested it.
    View Detail » 
    • Overall Rating: 5
    • Price: 5
    • Quality: 4
    • Ease Of Use: 5
    • Usefulness: 5
    2 DXPoints
    earned for this post
    good buy alligator clips

    posted by JBSchueler on 11/02/2012 Certified Owner

    Involvement:Expert (understands the inner workings) - Ownership:less than 1 day

    Pros:
    A must have for any hobbyist!!! I ordered several and are very useful for tests, prototyping or what so ever. They are extremely useful. For this price, buy several instead of just one pack, you will allways run out of these :)
    Cons:
    None of what I can think of...
    View Detail » 
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