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4.87 out of 5
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  • October-03 2020 09:30:27

    Very good value adjustable PSU based on the LM317. There are a few limitations in particular the supplied transformer limits the current available, especially at higher voltages, to well under 100mA. I made a few simple modifications, I use an external 1A unregulated DC power brick of about 15V output. Also I changed the supplied LM317 with a genuine National Semiconductor one to take full advantage of the external power source. In the photo you can see that it can now drive a 12V car sidelight b

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  • May-13 2020 03:05:59

    No problems so far. I assembled it

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  • February-07 2020 10:01:21

    excelent product

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  • March-08 2019 14:05:30

    Great item for any one that needs to have variable at a great price and easy assembly. worth having I found it very useful . TIP: make two small holes in and put the four Digit on case lid before assembly ,so you can read the voltage Better.

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  • April-25 2019 03:42:44

    funciona perfectamente

    Comments (1)
  • July-11 2019 12:18:38

    Tutto oK!

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  • February-17 2020 06:00:49

    Really good product. Very pleased when I switched on and it worked. Voltage control a bit sensitive. Very good on line instructions. Be aware two different Mosfits.

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  • August-03 2020 12:19:32

    Assembled the package but the output voltage is only about 3V. i will try to trouble shoot it further to see if i can increase the voltage output to near to what was advertised.

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  • April-15 2020 11:51:08

    Hi, after assembled, I have voltage output from 9V to 15V. DC (also measured with multimetr) blue diod lighting, yellow diod blinking in 9V and lighting in 15 V

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  • September-24 2020 00:55:48

    This project went together rather easily (no directions, just pictures on the website), and seems to work well after some initial testing.

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