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  • Drok
    Keymaster
    January 2, 2017 at 2:44 am
    Post count: 2971
    in reply to: Manual for Automatic Boost/Buck Voltage Regulator #11342

    Hello Jeff Dunfee,
    Thank you for writing in.
    Here the PDF file is the datasheet of the product, please check it.
    DATASHEET_180050
    Hope this can help you.
    If there is any question, please feel free to contact us.
    Best regards

    Drok
    Keymaster
    January 2, 2017 at 2:37 am
    Post count: 2971
    in reply to: Necessary Input for Buck Converter #11340

    Hello George Waters,
    Thank you for writing in.
    Since there are many products with similar title, it is hard for us to ensure which product you have purchased.
    Could you please tell us your order ID or the link of the product so we can ensure the product?
    With your help, we can find a solution more quickly.
    Best regards

    Drok
    Keymaster
    January 2, 2017 at 2:35 am
    Post count: 2971
    in reply to: UPS Power Supply 5310 #11339

    Hello Sparky19047,
    Thank you for writing in and sorry for the inconvenience caused on you.
    Could you please tell us your order ID or the link of the product to let us ensure which product you are referring to?
    With your help, we can find a solution more quickly.
    Best regards

    Drok
    Keymaster
    December 30, 2016 at 1:56 am
    Post count: 2971
    in reply to: Need Manual for DROK® DC 3-21V Load Battery Tester, 35W 3A Portable USB Monitor #11302

    Hello Barry Gaetz,
    Thank you for writing in.
    Sorry that we are not sure which ports you mention.
    Could you please send us an image to mark the ports out?
    You can send the image to us via email (service at droking dot com).
    Look forward to hearing from you.
    Best regards

    Drok
    Keymaster
    December 29, 2016 at 2:14 am
    Post count: 2971
    in reply to: YB27VA (DC 0-100V / 100A) – Wiring diagram #11295

    Hello Bernhard Junk,
    Thank you for writing in.
    Could you please tell us your order ID or the link of the product to let us ensure the product you have purchased?
    Please note that for installing a shunt is according to the measuring range of the meter not the real measuring range of your application.
    If the meter is equipped with a shunt, please use the meter with the shunt, otherwise, the meter will be damaged.
    Hope you can understand.
    Best regards

    Drok
    Keymaster
    December 29, 2016 at 2:05 am
    Post count: 2971
    in reply to: DC voltage regulator UL approval #11293

    Hello Dario,
    Thank you for writing in.
    The UL is still on the way.
    We are trying our best to apply this certificate, but we are a small and growing company. So the process of the application is more complicate and needs a lot of time.
    Hope you can understand.
    Best regards

    Drok
    Keymaster
    December 29, 2016 at 1:52 am
    Post count: 2971
    in reply to: Temperature in Farenheit instead Celsius #11292

    Hello Enrico,
    Thank you for writing in.
    This meter cannot be switched between Farenheot and Celsius.
    Could you please tell us your order ID and send us an image of the FNSKU which is marked on the label attached on the package to let us ensure which product you have bought?
    And the measuring range of this meter is -50 ~ 110 ° C.
    Is the measuring result of this meter not correct?
    Waiting for your reply.
    Best regards

    Drok
    Keymaster
    December 27, 2016 at 3:05 am
    Post count: 2971
    in reply to: l need the manual for DROK® Battery Capacity Tester Indicator Monitor Meter for #11263

    Hello Lexi Golden,
    Thank you for writing in.
    Could you please tell us your order ID or the link of the product so we can ensure which product you have?
    With your help, we can find a solution more quickly.
    Best regards

    Drok
    Keymaster
    December 27, 2016 at 3:02 am
    Post count: 2971
    in reply to: Model PZEM-002 #11262

    Hi Shangra,
    Thank you for writing in.
    “PZEM-002” may be just a part number of one of the component, so we cannot ensure which product you have purchased.
    Could you please tell us your order ID or the link of the product?
    It is better that you can tell us more details of your operation, such as the input voltage/current, the wiring, the working environment.
    If you can, we sincerely hope that you can send us some images or video to let us check the problem details.
    You can send this information to us via email(service at droking dot com ).
    Waiting for your reply.
    Best regards

    Drok
    Keymaster
    December 24, 2016 at 9:07 am
    Post count: 2971
    in reply to: Help wiring 12v to 6v step down voltage converter #11236

    Dear Danny,
    Thanks for your reply.
    Though we can’t enter the website that you offered,
    We suggest you to remove the original voltage limiter, since we can’t make sure whether there is any negative impact on the circuit.
    Hope you can understand.
    Best regards

    Drok
    Keymaster
    December 24, 2016 at 8:53 am
    Post count: 2971
    in reply to: B01GNNLYX4 900W DC Boost-Converter external control #11235

    Dear Michael,
    Thanks for your reply in details.
    Our technician is not working on weekends. So can’t give you the certain answer now.
    In normal condition, we will not accept customize order unless there is a big order.
    Could you please tell us what’s the quantity that you want to buy?
    Besides, the new year is coming, the busy period.
    Even we can customize the product for it, it should be carry on in the next year.
    Is it acceptable?
    Hope you can understand.
    Best regards

    Drok
    Keymaster
    December 23, 2016 at 10:41 am
    Post count: 2971
    in reply to: DROK 090433 L298N Motor Drive Controller Board #11227

    Dear mick,
    We are sorry for any inconvenience caused you.
    Yes, the data sheet is right.
    The “+12V” is near “A Enable”.
    Hope this can be helpful.
    Best regards

    Drok
    Keymaster
    December 23, 2016 at 10:23 am
    Post count: 2971
    in reply to: Is There Documentation for DROK DC Voltage Regulator Buck Converter 6-36V to 1? #11226

    200099_instruction
    Dear friend,
    Thanks for your message.
    The attached is the instruction that you need.
    Hope this would be helpful.
    Best regards

    Drok
    Keymaster
    December 23, 2016 at 9:50 am
    Post count: 2971
    in reply to: D.C. Voltage current meter information #11224

    Dear friend,
    We are sorry for any inconvenience caused you.
    Could you please tell us your order number and send some photos to show us the product and user guide that you received?
    More details will help us to check what’s wrong.
    Waiting for your reply.
    Best regards

    Drok
    Keymaster
    December 21, 2016 at 2:37 am
    Post count: 2971
    in reply to: DROK mini bluetooth amp – turn off greeting music #11175

    Hello BT,
    Thank you for writing in.
    Is this product you are referring to?
    DROK Mini 30W+30W Dual Channel Bluetooth 3.0 Stereo Amplifier Wireless Digital HiFi Audio Receiver TPA3110 2.0 DC12-24V
    If yes, we have reflect this issue to our technician and they are trying their best to find a solution for this issue.
    This is the program circuit setting problem and they need time to solve it.
    Hope you can understand.
    Best regards

  • Author
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Viewing 15 posts - 2,101 through 2,115 (of 2,965 total)
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