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    DCDC Converter, DROK Step Down Voltage Regulator Module DC 4.5-40V 36V 24V to 1.25-37V 12V 9V 5V 3V Variable Buck Converter Adjustable Electronic Power Supply Volt Reducer Transformer Stabilizer Board
    DCDC Converter, DROK Step Down Voltage Regulator Module DC 4.5-40V 36V 24V to 1.25-37V 12V 9V 5V 3V Variable Buck Converter Adjustable Electronic Power Supply Volt Reducer Transformer Stabilizer Board
    DCDC Converter, DROK Step Down Voltage Regulator Module DC 4.5-40V 36V 24V to 1.25-37V 12V 9V 5V 3V Variable Buck Converter Adjustable Electronic Power Supply Volt Reducer Transformer Stabilizer Board
    DCDC Converter, DROK Step Down Voltage Regulator Module DC 4.5-40V 36V 24V to 1.25-37V 12V 9V 5V 3V Variable Buck Converter Adjustable Electronic Power Supply Volt Reducer Transformer Stabilizer Board
    DCDC Converter, DROK Step Down Voltage Regulator Module DC 4.5-40V 36V 24V to 1.25-37V 12V 9V 5V 3V Variable Buck Converter Adjustable Electronic Power Supply Volt Reducer Transformer Stabilizer Board
    Load image into Gallery viewer, DCDC Converter, DROK Step Down Voltage Regulator Module DC 4.5-40V 36V 24V to 1.25-37V 12V 9V 5V 3V Variable Buck Converter Adjustable Electronic Power Supply Volt Reducer Transformer Stabilizer Board
    Load image into Gallery viewer, DCDC Converter, DROK Step Down Voltage Regulator Module DC 4.5-40V 36V 24V to 1.25-37V 12V 9V 5V 3V Variable Buck Converter Adjustable Electronic Power Supply Volt Reducer Transformer Stabilizer Board
    Load image into Gallery viewer, DCDC Converter, DROK Step Down Voltage Regulator Module DC 4.5-40V 36V 24V to 1.25-37V 12V 9V 5V 3V Variable Buck Converter Adjustable Electronic Power Supply Volt Reducer Transformer Stabilizer Board
    Load image into Gallery viewer, DCDC Converter, DROK Step Down Voltage Regulator Module DC 4.5-40V 36V 24V to 1.25-37V 12V 9V 5V 3V Variable Buck Converter Adjustable Electronic Power Supply Volt Reducer Transformer Stabilizer Board
    Load image into Gallery viewer, DCDC Converter, DROK Step Down Voltage Regulator Module DC 4.5-40V 36V 24V to 1.25-37V 12V 9V 5V 3V Variable Buck Converter Adjustable Electronic Power Supply Volt Reducer Transformer Stabilizer Board
    • Load image into Gallery viewer, DCDC Converter, DROK Step Down Voltage Regulator Module DC 4.5-40V 36V 24V to 1.25-37V 12V 9V 5V 3V Variable Buck Converter Adjustable Electronic Power Supply Volt Reducer Transformer Stabilizer Board
    • Load image into Gallery viewer, DCDC Converter, DROK Step Down Voltage Regulator Module DC 4.5-40V 36V 24V to 1.25-37V 12V 9V 5V 3V Variable Buck Converter Adjustable Electronic Power Supply Volt Reducer Transformer Stabilizer Board
    • Load image into Gallery viewer, DCDC Converter, DROK Step Down Voltage Regulator Module DC 4.5-40V 36V 24V to 1.25-37V 12V 9V 5V 3V Variable Buck Converter Adjustable Electronic Power Supply Volt Reducer Transformer Stabilizer Board
    • Load image into Gallery viewer, DCDC Converter, DROK Step Down Voltage Regulator Module DC 4.5-40V 36V 24V to 1.25-37V 12V 9V 5V 3V Variable Buck Converter Adjustable Electronic Power Supply Volt Reducer Transformer Stabilizer Board
    • Load image into Gallery viewer, DCDC Converter, DROK Step Down Voltage Regulator Module DC 4.5-40V 36V 24V to 1.25-37V 12V 9V 5V 3V Variable Buck Converter Adjustable Electronic Power Supply Volt Reducer Transformer Stabilizer Board
    DROK

    DCDC Converter, DROK Step Down Voltage Regulator Module DC 4.5-40V 36V 24V to 1.25-37V 12V 9V 5V 3V Variable Buck Converter Adjustable Electronic Power Supply Volt Reducer Transformer Stabilizer Board

    4.4
    €42,00
    €42,00
    €68,00
    Sold out
    Save 38% (€26,00)
    You can't add more than 500 quantity.
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    Description

    • Non-isolated buck converter, dial down volt 36V 30V 24V to 12V 5V 3.7V 3.5V 3.3V 2V.
    • Analog control, using a mini screwdriver to increase or decrease output voltage by adjusting the potentiometer, clockwise to step up voltage and counterclockwise to step down voltage.
    • With over-temperature and short-circuit protection, hence it is safe to use.
    • Wide Voltage input of 4.5-40V and output of 1.25-37V but has low power-consumption.
    • Easy to make it work and convenient to accurately adjust the output voltage with a mini screwdriver.
    Read more

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    Customer Reviews

    ImpressiveThis worked well for me, ymmv. That said, I looked at the output with a multimeter and when combined with a solar panel and charge controller, it worked just like they said. I intend to throttle it to 5V and use it for a Raspberry pi.5Great productWorks as described. I am using it for a device that has a 24v input from a 24v AC transformer, going through a full wave rectifier. The output of that is really about 30v pulsing DC. The output I need is 5v with about 500ma. So far all is working well. I wish they made one with a fixed 5v output instead of needing to adjust the output.5Works perfectly for applications where you'd rather not have a static readout of the voltage.Most of these DROKs seem to come with the big digital voltage display, which is probably very handy for use on a bench but unecessary and wasteful in an installed/embedded application. This little board let me piggyback an esp8266 at 5v on an existing 24v source that's already in the location, to add wifi control to my ancient garage door's radio-control receiver. Approximately $25 all-in to retrofit a garage door opener I can use from the phone in my pocket that also lets me see if the door is open or closed from anywhere in the world (thanks to a reed switch) is great and all, but one of my favorite parts of the project is that I didn't have to run a dedicated power line across my garage ceiling and down a wall to a permanent wall wart to get it up and running. I will definitely be buying more of these in the future.5a very nice device on future projectsThis voltage regulator device works as advertised. I was able to adjust the output voltage to 12 volts dc, and then varied the input voltage to a positive or negative voltage and the output 12 volts did not change. I did this test under no load and with a 200 ma load condition. Overall, a very nice device on future projects. .5Works as designedWorked as designed, needed minor adjustment via trimpot to get to exact voltage on output. Would like to see better placement of input and output connectors, but is good.4It worked perfectI was looking for a way to step down 12VDC to 3.3VDC for a Home Alarm Notification system I created using a Raspberry PI. While researching options I found the DROK DC Step Down Variable Voltage Regulator. This solution worked perfectly right out of the box. I simply made my connections, turned on my power source and used my mutlimeter to check output. Using the variable adjustment I was able to quickly and easily dial in the 3.3VDC output I needed.The DROK DC Step Down VVR arrived quickly, was easy to use and allowed me to complete my project. Now my home alarm sends me emails and provides system status via a simple web page. I'll likely order a few more for other projects I have.5THESE ARE GREAT! I have no used for long periods of ...THESE ARE GREAT! I have no used for long periods of time but these have saved me hours of work.Only thing that I found surprising was how much I had to turn the adjuster to get low volts. Its cracked up ALL the way up not all the way down.Took maybe 3-5 turns to get it to 3.3V.So far I have been able to continuously push 1A without any hiccups.5Worked perfectly.Bought it to replace a bad power supply chip on a new Emomo massaging recliner. Of course, Emomo was no help, so I figured out what the problem was, pulled the bad chip and components, and replaced it with this unit. Four solder connections and a couple standoff holes drilled. Works perfectly!5I'm very pleased.I bought this DC step down variable voltage regulator to use in a Bluetooth 2.1 wireless speaker system project. The unit is specifically being used to step down a 24v DC power supply (who's main purpose is to power the 2.1 amplifier) to 5v to power a Bluetooth receiver. It powered up off the 24v power supply with no problem. The initial voltage output appears to be set to maximum (mine was outputting 24v, the input voltage). I began adjusting the voltage as indicated on the board and the output slowly decreased to 5v. The adjustment is smooth and not overly touchy. Once the voltage was set, I used it to power the Bluetooth receiver. The voltage output remained stable during my testing. I used earbuds to listen to the output of the receiver (don't have the 2.1 amp yet), and the sound output seemed as clear as when I powered the Bluetooth receiver from a battery (no line noise). I'm not an electrical engineer nor do I have any test equipment more sophisticated than my multi-meter, but based on my observations, the unit is performing perfectly for my needs. I'm very pleased.5Nice voltage converter!Works like a champ - seriously. Fantastically stable output; pot stays put when you set it and has excellent resolution for dialing in an output voltage. My use case was converting 12VDC to 3VDC and getting it up and running in that capacity took all of about 30 seconds. (soldered the leads) Board is clean and the arrangement of components is orderly. Will probably pick a few more up for various projects in the future.5
    DCDC Converter, DROK Step Down Voltage Regulator Module DC 4.5-40V 36V 24V to 1.25-37V 12V 9V 5V 3V Variable Buck Converter Adjustable Electronic Power Supply Volt Reducer Transformer Stabilizer Board

    DCDC Converter, DROK Step Down Voltage Regulator Module DC 4.5-40V 36V 24V to 1.25-37V 12V 9V 5V 3V Variable Buck Converter Adjustable Electronic Power Supply Volt Reducer Transformer Stabilizer Board

    4.4
    You can't add more than 500 quantity.
    €42,00
    €42,00
    €68,00
    Sold out
    Save 38% (€26,00)