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  • 08/02/2017

    You get a lot for your money with this set. Recommended for beginners. It has no information included but you can find some in the description of the product. Here are some info, primary for the power supply. It has a switch and a led which indicates if the power supply is on or off. Two power inputs, one from USB and the other from a common jack 5,5x2,1mm. Two voltage regulators (AMS1117), one for 5V and one for 3,3V. All the pins on the top are connected to either to 5V or 3,3V (clearly marked) and can be used individually to power your project. If you want to give power to the lower pins (primary to connect the breadboard power lines), use the jumpers either to 5V or 3,3V (or 0V in the center). They work individually so you can set one to 5V and the other to 3,3V. Important notes for power input: The absolutely maximum input voltage for the jack is 15V but the recommended is 6,5-12V. As every voltage regulator you have a dropout (effectively you lose) 1V at small load to 1,5V at maximum load (at 1A). So make sure that the input voltage is at least 1,5V higher that the voltage you want to work. Now, if you power from the USB (5V input) your maximum voltage will be 4V (or 3,5V at full load). So the 5V will not work correctly but the 3,3V will be ok. The breadboard is decent with some holes hard to insert the cables but they come loose after few insertions. The cables are thin and not too flexible but usable without problem.

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  • 30/09/2015

    Same as majority, PSU breadboard connector pins were a bit bent during delivery process everything else is fine. The funniest thing is that no one noticed a huge mistake in product's description. PSU's USB connector is used for DC output, not DC input. I'll try to upload a PSU schematic diagram to images section, hope moderator will allow me to do that.

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