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  • Author
    Posts
  • Drok
    Keymaster
    March 14, 2017 at 9:43 am
    Post count: 2971
    in reply to: DC – DC regulator #13654

    Hello Warren Spencer,
    Thank you for writing in and your interest on our product.
    As we don’t have more other information about your requirement,We are not sure if the following item can meet your demand.
    https://www.amazon.com/dp/B00KKKMA4O
    Best regards.

    Drok
    Keymaster
    March 14, 2017 at 9:43 am
    Post count: 2971
    in reply to: DC – DC regulator #13653

    Hello Warren Spencer,
    Thank you for writing in and your interest on our product.
    As we don’t have more other information about your requirement,We are not sure if the following item can meet your demand.
    https://www.amazon.com/dp/B00KKKMA4O
    Best regards.

    Drok
    Keymaster
    March 13, 2017 at 10:11 am
    Post count: 2971
    in reply to: Reverse current into meter allowed? #13585

    Hello gussmann,
    Thank you for writing in.
    Is the following item that you mention?
    https://www.amazon.com/dp/B017FSED9I
    Do you mean you don’t connect power supply to “DC+”and “DC -“, just connect a load with a power supply to “Load +” and “Load -” ?
    Best regards.

    Drok
    Keymaster
    March 13, 2017 at 9:33 am
    Post count: 2971
    in reply to: Circuit Diagram. #13584

    Hello James,
    Thank you for your reply.
    We are not sure if some components have been damaged when you remove the current control pot.
    Could you please let us know have you check it throughly？
    Or you can send us some picture to show this problem.
    Best regards.

    Drok
    Keymaster
    March 10, 2017 at 9:55 am
    Post count: 2971
    in reply to: Fault Led On () #13564

    Hello Pradeep Kumar Shima,
    Thank you for your reply.
    We are glad your problem has been already solved.
    We are sorry for any inconvenience caused you.
    For more question, please feel free to cotnact us.
    Have a nice day.
    Best regards.

    Drok
    Keymaster
    March 10, 2017 at 9:45 am
    Post count: 2971
    in reply to: car regulator makes VIOFO A119 reboot over and over #13563

    Hello Joe moler,
    Thank you for writing in.
    To find out solution for you as soon as possible, could you please send us the link of product so that we can ensure the item you mention?
    And please let us know more details about other parameters. For example, the working environment, the load, the power supply and etc.
    Look forward to your reply.
    Best regards.

    Drok
    Keymaster
    March 10, 2017 at 9:39 am
    Post count: 2971
    in reply to: DROK® LCD Digital Tally Counter 0-99999 Digit forward Digital Counter Panel Gaug #13562

    Hello Miguel,
    Thank you for your support.
    It’s our responsibility to tyr our best to satisfy our customer.
    Look forward to more cooperation in the future.
    Hav a nice day.
    Best regards.

    Drok
    Keymaster
    March 10, 2017 at 9:32 am
    Post count: 2971
    in reply to: bi-directional Amp-HR, energy meter? #13561

    Hello Ed STANFORD,
    Thank you for writing in.
    We are not sure whether the following item can meet your demand.
    200193
    The measuremant range may be too large to use with your RV batteries. Therefore this is just for your reference.
    For more questions, please feel free to contact us.
    Best regards.

    Drok
    Keymaster
    March 9, 2017 at 9:30 am
    Post count: 2971
    in reply to: Datasheet: DROK TPA3116 Digital Power Amplifier Board #13498

    Hello W. Scott Richardson，
    Thank you for writing in.
    Yes , the voltage range for “DC IN” is the same to the one of “Vout”.
    For more question, please feel free to contact us.
    Best regards.

    Drok
    Keymaster
    March 9, 2017 at 8:54 am
    Post count: 2971
    in reply to: buck converter with minimum voltage #13493

    Hello Silvio,
    Thank you for your reply.
    We have many buck conveters can meet your demand on voltage value.
    However, we are sorry so far we don’t have such conveter can power off automatically under a certain voltage.
    We will reflect this point to our technician, and try to improve our item and service.
    Look forward to more cooperation in the future.
    Best regards.

    Drok
    Keymaster
    March 9, 2017 at 8:28 am
    Post count: 2971
    in reply to: powr supply model 122403 #13491

    Hello Randy Erb,
    Thank you for writng in.
    We are sorry we can’t make sure the item you mention.
    Could you please send us the ASIN or part number? Or you can just send us the link of product.
    We will find solution for you at that time.
    Best regards.

    Drok
    Keymaster
    March 9, 2017 at 8:24 am
    Post count: 2971
    in reply to: Circuit Diagram. #13490

    Hello James，
    Thank you for your reply.
    We wonder if this help with you.
    200133
    For more question, please feel free to contact us.
    Best regards.

    Drok
    Keymaster
    March 8, 2017 at 4:28 am
    Post count: 2971
    in reply to: Need Manual for DROK® DC 3-21V Load Battery Tester, 35W 3A Portable USB Monitor #13427

    Hello Barry Gaetz,
    We wonder if this item is the same to what you received.
    200186
    Best regards.

    Drok
    Keymaster
    March 8, 2017 at 4:12 am
    Post count: 2971
    in reply to: DROK® LCD Digital Tally Counter 0-99999 Digit forward Digital Counter Panel Gaug #13425

    Hello Miguel,
    Thank you for your patience.
    To find out solution for you, could you please send us video or picture to show how you operate it? You send them to service#droking dot com ( please replace # with @)
    We are sorry it’s hard to find out problem origin without any information.
    Beg your forgiveness and hope you can understand.
    Best regards.

    Drok
    Keymaster
    March 8, 2017 at 4:06 am
    Post count: 2971
    in reply to: 600W boost schematic #13424

    Hello Chris K,
    Thank you for writing in.
    Could you please send us the link of product so that we can ensure the product you mention?
    We will find solution for you at that time.
    Best regards.

  • Author
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Viewing 15 posts - 1,951 through 1,965 (of 2,965 total)
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