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  • Author
    Posts
  • Drok
    Keymaster
    April 26, 2016 at 1:33 am
    Post count: 2971
    in reply to: Drok sku:090029 voltage regulator not working correctly #4591

    Hello Mick Groszko,
    Thank you for your quick reply.
    We have sent you a message through Amazon, please check it.
    Have a nice day!
    Best regards

    Drok
    Keymaster
    April 26, 2016 at 1:23 am
    Post count: 2971
    in reply to: Shipment to Germany? (8-75V / 5V DC DC Buck Converter) #4586

    Hello Ralf,
    Thank you for your interest in our product.
    Could you please tell us the ASIN or the link of the product you are interested?
    Thanks

    Drok
    Keymaster
    April 25, 2016 at 3:32 am
    Post count: 2971
    in reply to: Drok sku:090029 voltage regulator not working correctly #4569

    Hello Mick Groszko,
    Thank you for your cooperation.
    As your description, this product maybe defective.
    We have tested our products before shipping to Amazon warehouse, however, there may be one or two items slipping through our hands.
    So sorry for the inconvenience caused on you.
    Could you please tell us your order ID so that we can contact you through Amazon and find a solution for you?
    Waiting for your reply.
    Best regards

    Drok
    Keymaster
    April 25, 2016 at 3:08 am
    Post count: 2971
    in reply to: 15-55V IN 12V OUT DRK 551215 #4568

    Dear Jason,
    Thank you for your reply.
    So sorry that our technician is not very good at English and it is hard for us to support tech telephone consultation.
    If you have any questions, you can tell us directly form here or send us email.
    Could you please send us an email(service at droking dot com) to tell us more details of how you operate the product, such as the input voltage, the wiring, the device in the application?
    If you can, we sincerely hope that you can send us some images or video to let us check the problem detail.
    With your help, we can find a solution more quickly.
    Best regards

    Drok
    Keymaster
    April 24, 2016 at 2:18 am
    Post count: 2971
    in reply to: Can I get a schematic for #4560

    Hello Jerry,
    Thank you for writing in.
    So sorry that we cannot find out the product of B016I7ZGWK.
    Could you please check the ASIN again or tell us your order ID or the link of the product?
    With your help, we can find a solution more quickly.
    Best regards

    Drok
    Keymaster
    April 24, 2016 at 2:14 am
    Post count: 2971
    in reply to: 12V to 24V DC converter #4559

    Hello Kevin Cody,
    Thank you for writing in.
    So sorry that we do not have a product that can meet your demand.
    Beg your understanding.
    Best regards

    Drok
    Keymaster
    April 24, 2016 at 2:11 am
    Post count: 2971
    in reply to: Drok sku:090029 voltage regulator not working correctly #4558

    Hello Mick Groszko,
    Thank you for writing in.
    Sorry for the inconvenience caused on you.
    Could you please send us an email (service at droking dot com) to tell us more details of how you operate the product, such as the input voltage/current, the wiring?
    If you can, we sincerely hope that you can send us some pictures or video to let us check the problem details.
    With your help, we can find a solution more quickly.
    Waiting for your reply.
    Best regards

    Drok
    Keymaster
    April 24, 2016 at 1:52 am
    Post count: 2971
    in reply to: DROK® LTC3780 #4557

    Hello Kessley,
    Thank you for writing in.
    So sorry for the inconvenience caused on you.
    Could you please tell us your order ID or the link of the product?
    With your help, we can find a solution more quickly.
    Waiting for your reply.
    Best regards

    Drok
    Keymaster
    April 24, 2016 at 1:47 am
    Post count: 2971
    in reply to: 15-55V IN 12V OUT DRK 551215 #4556

    Hello Jason,
    Thank you for writing in.
    Could you please tell us your order ID or the link of the product?
    Waiting for your reply.
    Thanks

    Drok
    Keymaster
    April 22, 2016 at 4:10 am
    Post count: 2971
    in reply to: 80-260V 100A AC Meter on 240v circuit #4525

    Hello Roger Nelson,
    Thank you for writing in.
    The meter is applied with the current transformer.
    The circuit go through the current transformer is the measured circuit.
    Here is the image that we think it is useful to you.
    Wiring Diagram_200123
    Hope this can help you.
    Best regards

    Drok
    Keymaster
    April 22, 2016 at 3:31 am
    Post count: 2971
    in reply to: MC100 USB Card #4523

    Hello Bo,
    Thank you for writing in.
    Could you please tell us your order ID or the link of the product?
    With your help, we can find a solution more quickly.
    Thanks

    Drok
    Keymaster
    April 22, 2016 at 3:28 am
    Post count: 2971
    in reply to: DC Buck Converter DC5~32V to 0~30.0V #4521

    Hello Greg Koteski,
    Thank you for writing in.
    Is the product you applied in your application 090627?
    Could you please send us an email (service at droking dot com) to tell us more details of how you operate the product, such as the wiring, the working environment?
    If you can, we sincerely hope that you can send us some imaged or video to let us check the problem detail.
    Waiting for your reply.
    Best regards

    Drok
    Keymaster
    April 22, 2016 at 3:10 am
    Post count: 2971
    in reply to: DC Buck Converter DC5~32V to 0~30.0V #4520

    Hello John,
    So sorry for our late reply.
    The max. output current of this product is 5A.
    If over it, the module will be burnt.
    The product may be not suitable for your application.
    Beg your forgiveness and understanding.
    Best regards

    Drok
    Keymaster
    April 22, 2016 at 3:03 am
    Post count: 2971
    in reply to: Manual for model "J7-B/C/D"? #4518

    Hello JN,
    Thank you for your reply and suggestion.
    This product is equipped with a printed instruction copy.
    We have checked our products before shipping to Amazon warehouse, however, there may be one or two items slipping through our hands.
    So sorry for the inconvenience caused on you.
    Beg your forgiveness and understanding.
    Best regards

    Drok
    Keymaster
    April 22, 2016 at 2:45 am
    Post count: 2971
    in reply to: DROK®Micro LED DC-DC Digital Boost Voltage Converter LM2577 3-34V to 4-35V 5V/12 #4513

    Hello Ryan Dahlberg,
    Thank you for your message.
    Could you please send us an email (service at droking dot com) to tell us your order ID and more details of how you operate the products, such as the input voltage/current, the wiring, the type of the load?
    If you can, we sincerely hope that you can send us some images or video to let us check the problem details.
    Waiting for your reply.
    Best regards

  • Author
    Posts
Viewing 15 posts - 2,641 through 2,655 (of 2,965 total)
Previous 1 … 176 177 178 … 198 Next