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adjustable step Customers Reviews

  • Good quality S/W PSU

    posted by platonas

    It is small and of good built quality. I tested it at 5V/2.1A and the voltage stabilization is very good, 0.5% as stated.
    I removed the fixed resistors that define the output voltage and installed a trimmer of 50K and a resistor of 1K8 in the place of the 15K that was on the board. The board had 47K and a 15K that define a 5v fixed output. With the 50K variable an a 1K8 fixed I have variable PSU now.
    I would buy some more for my projects. The price is good compared to the quality you get.
  • good regulator

    posted by lucho911

    Excellent circuit to supply equipment from a DC voltage and need another voltage value. Good power, good regulation capability and excellent range of adjustment. The construction is of good quality and are correct terminal blocks for power.
    According to my tests, the performance is good quality. The circuit works very well and is very efficient in terms of energy management.
    Nothing to add. Really is a great buy you will not regret making. It will be money well spent.
  • Mobile power suppply

    posted by Koppen24

    Handy device, easily and accurately set. I use it in my car for media player. with 4 diodes I have the input voltage 2.5 volts lowered, then I could adjust the tension nicely at 12.5 volts. because a car when the engine is running 14.5 volts charging. The media player works well and without fault in sound or image
    the device is recommended for anyone with a laptop on the go with the car.
    Handy device for little money, certainly useful for a laptop because they are generally at a higher working voltage than 14.5 volts in a car.
  • Very good regulator

    posted by Bunny1

    Simple and robust, very usefull. You can change trimpot by fixed resistor, there are pads to do it, and it turns into a fixed voltage regulator. Overcurrent protection. Voltage adjustment is very precise.
    Small and simple, easy to fix, possible use in many experiments and prototypes. I saw some other regulators based in LM2596 more cheap, but using bobin wih low inductance, let to experience in future.
    If you need a regulator for experiments or low production electronics, use it.

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