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  • 21/10/2017

    These are a really neat way to get 3 and 5 volt power for my Arduino projects. I connect them to my project board with a nylon standoff and just plug in a 5V wall wart to get the incoming power. It safely lets me get 3 volt and 5 volt power for my project components instead of using the power on the Arduino board that, if you are not careful, can "fry" the Arduino board. Plus you can get more amps than the Arduino can supply. Someone designed and built a really nifty little board. On some of my projects I used the additional micro usb port instead of the wall wart. I actually used an old usb phone charger to power that project.

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  • 24/04/2021

    It dose the job

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  • 26/07/2018

    1st description states the voltage in can be 5 to 12 volts. I have only tested 2 of the 10 boards but this is what I see: When powering from USB the 5V and 3V3 are quite close to stated values... Close enough to not make any real difference. However... There is only 1 voltage regulator on these boards ( the 3V3 regulator ). If you plug in 12V into that barrel jack YOU GET 12V OUT OF THE PIN LABELED 5V. Be aware of this ! Otherwise at least the 2 I tested so far seem to work very well

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  • STIVKO
    BG
    07/07/2017

    Thanks for the perfect delivery! I'll still order. They do a great job and save me time to do it myself.

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  • 04/04/2018

    Well built and good price.

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