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  • Drok
    Keymaster
    July 19, 2017 at 7:01 am
    Post count: 2971
    in reply to: 8-60V 15A Buck Boost Converter #19644

    Hello Mark,
    Thank you for writing in.
    Are you taling about the same item?
    200150
    May I know more details about your setting? For example, input voltage/current, which function do you choose?
    It would be more helpful if you can take a short video to show your operaton.
    You can send it to service#droking dot com ( please replace # with @)
    Best regards.

    Drok
    Keymaster
    July 18, 2017 at 7:56 am
    Post count: 2971
    in reply to: Buck reg YH11060D won't start with load connected #19637

    Hello Tomt,
    Thanks for writing in.
    We are sorry we can’t confirm the item you mention. All of items have ASIN number and SKU number. Is it convenient for you to find out one of them from your order information?
    Or you can just send us your order ID.(If you don’t want to show order ID here, please send it to service#droking dot com ( please replace # with @))
    We will try our best to find solution for you once we confirm the item.
    Best regards.

    Drok
    Keymaster
    July 18, 2017 at 7:41 am
    Post count: 2971
    in reply to: DROK DC-DC Buck Voltage Converter 4.5-40V Power mode not working #19636

    Hello Nicole,
    Thanks for writing in.
    We can’t ensure if it is the following item you mentioned.
    090945
    If yes, would you please tell us more details about your problem? For example, the input voltage.
    This item only have two buttons, low power button and USB output button. Which one do you mean? Can’t it output voltage？
    With your help, we can find out problem as soon as possible.
    Best regards.

    Drok
    Keymaster
    July 17, 2017 at 8:57 am
    Post count: 2971
    in reply to: drok speaker #19616

    Hello claudio_6,
    Thank your for writing in.
    Here are manuals for two items.
    110031
    090154
    It is infeasible to connect two output terminals to one speaker.But you can connect speaker to one terminal and leave the other terminal disconnected.
    Best regards.

    Drok
    Keymaster
    July 14, 2017 at 8:29 am
    Post count: 2971
    in reply to: manuals for your product #19572

    Hello rolf oetter,
    Thanks for writing in.
    Sorry for inconvenience caused on you. This is a semi product, so we don’t have paper instruction.
    Here is a simple instruction for your reference.
    090063
    Hope it can help you.
    Best regards.

    Drok
    Keymaster
    July 13, 2017 at 9:14 am
    Post count: 2971
    in reply to: F900S Firmware #19545

    Hello Darren,
    Thanks for writing in.
    It’s regretted the name can’t be modified by our customers.Hope you can understand.
    Only customized product have different name.
    Best regards.

    Drok
    Keymaster
    July 13, 2017 at 8:22 am
    Post count: 2971
    in reply to: Timer 200119 #19544

    Hello Louis MAttos,
    Thans for writing in.
    We are sorry this item doesn’t have countdown function. The time can be only incrementing.
    Hope you can understand.
    For more questions, please feel free to contact us.
    Best regards.

    Drok
    Keymaster
    July 13, 2017 at 7:52 am
    Post count: 2971
    in reply to: DROK PAM8403 Amp Driving 3 (instead of 2) 4Ohm 3W Speakers #19542

    Hello j_z_j,
    Thanks for writing in.
    Are you talking about this item?
    090155

    We are sorry this item is not suitable to drive three 4Ohm 3w speakers. It is not enought to power 3 speakers in the meanthime.
    For any more questions, please feel free to contact us.
    Best regards.

    Drok
    Keymaster
    July 13, 2017 at 6:53 am
    Post count: 2971
    in reply to: How Reset works on the LCD Digital Multimeter AC 80-260V 100A Voltage Amperage #19541

    Hello jj,
    This button can be used to turn on/off backlight and reset energy reading.

    Reset energy reading:
    Step 1: Keep pressing the button for 5 seconds until the energy reading flicker, then release button;
    Step 2: Short press button, the energy data will reset.
    Step 3: If you don’t want to reset it, please keep pressing button again for 5 seconds until the energy reading doesn’t flicker.
    Best regards.

    Drok
    Keymaster
    July 12, 2017 at 10:13 am
    Post count: 2971
    in reply to: DROK 4-20mA Signal Generator, DC 12-30V #19503

    Hello jessie,
    Thanks for writing in.
    We think you are talking abou S1 and S2 button. In general, you don’t need to use them. They are used for calibration.
    If you input 24V DC power supply, the impedance range of output load is between 0-800 Ohms. It can provie 0-10V 4-20ma signal.
    Best regards.

    Drok
    Keymaster
    July 12, 2017 at 8:19 am
    Post count: 2971
    in reply to: Wiring Ammeter Dual #19496

    Hello Lee Buxbaum，
    Thanks for your business. Is this item that you have bought?
    product link
    You said you have attached a link, but we see no information about it. Would you please send it again?
    In addition, did you write it up as the following picture showed?
    100016
    Best regards.

    Drok
    Keymaster
    July 12, 2017 at 7:14 am
    Post count: 2971
    in reply to: connections for SKU:300480 #19492

    Hello Bill Lazenby,
    Here is the wiring diagarm for your reference.
    Please note there are no distinction between positive pole and negative pole.
    300480
    For more questions, please feel free to contact us.
    Best regards.

    Drok
    Keymaster
    July 11, 2017 at 9:55 am
    Post count: 2971
    in reply to: adjustable volt. regulator to use 18 volt battery with fish finder #19460

    Hello Steve McCurdy，
    Thanks for writing in.
    Are you talking about this item?
    180051
    This is a buck converter, if you input 18V, you can get output voltage under 18V.
    It don’t have different requirement for litium battery.
    Best regards.

    Drok
    Keymaster
    July 10, 2017 at 9:37 am
    Post count: 2971
    in reply to: DC051 wiring options #19421

    Hello Mike,
    Thanks for your business.
    It’s regretted the meter with external shunt can’t be wired up like the meter with bulit in shunt.Hope you can understand.
    Best regards.

    Drok
    Keymaster
    July 10, 2017 at 7:46 am
    Post count: 2971
    in reply to: DROK Digital Multimeter DC 6.5-100V 100A Voltage Amperage Power Energy Meter DC #19415

    Hello Jimmy lyon,
    Thank you for writing in.
    We are not sure if you are talking about this item200141
    If yes, please long press the button, and release it until ‘CLr” shows on the power area.
    At this time energy area flicker, then short press the button to reset energy.
    Any more question, please feel free to contact us.
    Best regards.

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Viewing 15 posts - 1,696 through 1,710 (of 2,965 total)
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