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  • Drok
    Keymaster
    December 18, 2015 at 7:28 am
    Post count: 2971
    in reply to: wiring up the converter #2732

    Dear friend,
    Thanks for your information.
    We are sorry to tell you that the motor is bidirectional to control car windows go up and go down. The polarity of circuit will be changed.
    We don’t have product may work with it at present.
    We will consider this later.
    Best regards

    Drok
    Keymaster
    December 18, 2015 at 2:27 am
    Post count: 2971
    in reply to: 090088_EU Thermostat – need manual #2723

    Dear friend,
    We are glad to hear this can help you.
    Looking forward to more cooperation in the future.
    Best regards
    DROK

    Drok
    Keymaster
    December 17, 2015 at 10:05 am
    Post count: 2971
    in reply to: 090088_EU Thermostat – need manual #2691

    Dear friend,
    Here is the User manual.
    Hope this can help you.
    http://www.droking.com/wp-content/uploads/2015/12/090088_20.jpg
    Best regards

    Drok
    Keymaster
    December 17, 2015 at 9:55 am
    Post count: 2971
    in reply to: 5 wire panel meter, 0-50v, 0-300A w/shunt. #2689

    Dear Calvin,
    Here is the wiring instruction.
    Measuring side 3 wire plug:
    Yellow wire: current input
    Red wire: measuring side positive voltage input
    Black wire : measuring side common ground
    You can also refer to this picture.

    Hope this will help you.
    Best regards

    Drok
    Keymaster
    December 17, 2015 at 7:42 am
    Post count: 2971
    in reply to: DROK 0.40" Panel Ok for 24/7 Use ? #2686

    Dear Parish，
    Yes， you can.
    However, any electric equipments will be affected if you don’t turn them off.
    If you want to keep it working for a long time, the working power should be lower; Or it will do harm to the item’s service life.
    We suggest that voltage below 12V will be better for this item.
    Hope this can help you
    Best regards

    Drok
    Keymaster
    December 17, 2015 at 7:18 am
    Post count: 2971
    in reply to: DC Voltmeter brightness adjustment #2685

    Dea Tim,
    We are sorry to tell you that the brightness of the display can not be adjusted.
    Sorry for any inconvenience may cause on you.
    Have a great day
    Best regards

    Drok
    Keymaster
    December 16, 2015 at 9:02 am
    Post count: 2971
    in reply to: 150W DC Boost Converter 6-16 volt short pin location? #2681

    Dear friend,
    Thanks for your reply.
    10-32v is 0=0 0 8-16v is 0 0=0
    Hope this will help you.
    Best regards

    Drok
    Keymaster
    December 16, 2015 at 7:41 am
    Post count: 2971
    in reply to: DROKreg; Mini Bluetooth 30W amp – how to change BT name? #2680

    Dear friend,
    Sorry for the late reply.
    We are pleased that you contact us.
    Yes， you can connect the Mini Bluetooth 30W amp to usb for headphone amp.
    Please download firmware from dropbox
    Then, just do as the pictures show
    Peocess
    and then,click ” 确定 “.
    lastly, please find a USB cable and connection, the fireware will automatic upgrade.
    Hope this can help you.
    Best regards
    DROK

    Drok
    Keymaster
    December 10, 2015 at 1:19 am
    Post count: 2971
    in reply to: Pinouts for L298 Arduino Shield #2629

    You are welcome.

    Best regards,
    DROK

    Drok
    Keymaster
    December 9, 2015 at 7:27 am
    Post count: 2971
    in reply to: can't be turned down to 12vdc #2626

    Dear bryan,

    Sorry to be causing so much troubles to you. I made a mistake. （T﹏T）
    Our technicians said this 8A NC Step Down Voltage Regulator can power for your inverter.

    Sorry again!! then any other questions, feel free to contact us.

    Best regards,
    DROK

    Drok
    Keymaster
    December 9, 2015 at 4:06 am
    Post count: 2971
    in reply to: can't be turned down to 12vdc #2624

    Sorry that we don’t have such product that can meet your requirements.

    Thanks for your understanding.
    Best regards,
    DROK

    Drok
    Keymaster
    December 9, 2015 at 3:04 am
    Post count: 2971
    in reply to: Ripple measurements #2623

    Hi Fred, connecting with different load, the ripple are different.
    About the 8A NC Step Down Voltage Regulator, no load ripple is 20mv, peak ripple is 100mv
    And about the 5A Constant NC Buck Module, the ripple is -40mV ~ 50mV.
    If there’s anything I can help with, don’t hesitate to tell me.

    Best regards,
    DROK

    Drok
    Keymaster
    December 7, 2015 at 8:36 am
    Post count: 2971
    in reply to: can't be turned down to 12vdc #2604

    Hello again,
    Do you mean that your input is 135w 21v 8.52a? Please note that this is step up voltage regulator. so the default setting not allow the unit to drop below 19v DC.
    Any other questions, don’t hesitate to write back to us.

    Best regards,
    DROK

    Drok
    Keymaster
    December 6, 2015 at 7:44 am
    Post count: 2971
    in reply to: Placement of the Current Sensing Coil #2601

    Hi Rob, the wire must through the 3/4″ hole of the coil (transformer), but not require in the center.

    Then please note the wiring sequence:
    ————————
    1.Connect current loop
    2.Connect the AC power supply
    3.Please do not touch any components and circuit,to avoid electric shock
    ———————————————————————-

    If you have any question, please send us message. we always here assist you.

    Best regards,
    DROK

    Drok
    Keymaster
    December 6, 2015 at 1:25 am
    Post count: 2971
    in reply to: can't be turned down to 12vdc #2598

    Hi, please tell us which product do you want to know. Maybe you can give us the product link or your order number. And please provide more details about your using environment and wiring connections. Looking forward to your reply. Regards!

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