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  • Drok
    Keymaster
    March 11, 2021 at 8:26 am
    Post count: 2971
    in reply to: Hooking up 6 in 1 meter #63127

    Hello Brian，

    We can’t confirm which item it is. Would you like to offer product link or SKU number ?

    And  since it doesn’t show watts, is the current also zero?

    Best regards,

    DROK

    Drok
    Keymaster
    March 10, 2021 at 8:39 am
    Post count: 2971
    in reply to: DC VOLTAGE LIMITING #63034

    Hello dave kibble，

    090198 is a buck converter.Do you want to increawe voltage or decrease voltages?

    Best regards.

    Drok
    Keymaster
    March 10, 2021 at 8:36 am
    Post count: 2971
    in reply to: 600W Digital Step up converter #63033

    Hello

    The pins you means can’t work for any data transmission. It is jsut a blank area.

    We are sorry we don’t have  firmware data.

    Best regards.

    Drok
    Keymaster
    March 9, 2021 at 9:45 am
    Post count: 2971
    in reply to: SKU 200206. 7A/160W DC drive module software #62944

    Hello Peter Rand,

    There is no sofware for this item.

    Drok
    Keymaster
    March 9, 2021 at 9:41 am
    Post count: 2971
    in reply to: Connectors for Electronic Thermostat Controller? #62943

    Hello Steve,

    It is hard to confirm which item it is. Would you like to offe a product link or SKU number?

    Best regards,

    DROK

    Drok
    Keymaster
    March 9, 2021 at 9:11 am
    Post count: 2971
    in reply to: Order problem #62940

    Hello，

    As there is something wrong on website, it doesn’t save order information. We have found out paypal payment by uthenchaichot@gmail.com,  total amount is $153.52.

    And it has been processed by warehouse. For any more questions, please let us know.

    Best regards,

    DROK

    Drok
    Keymaster
    March 9, 2021 at 2:36 am
    Post count: 2971
    in reply to: 600W Digital Step up converter #62915

    Hello Alex，

    Do you want to  control converter via serial port communication? We are sorry this converter doesn’t support  serial port communication. Any more questions, please let us know.

    Best regards.

    Drok
    Keymaster
    March 9, 2021 at 2:21 am
    Post count: 2971
    in reply to: Problem to order! #62912

    Hello Mike Carney,

    We are sorry there is network failure  a few days ago. Now the problem is fixed. You can try again.

    For any more questions, please let us know.

    Best regards,

    DROK

    Drok
    Keymaster
    March 9, 2021 at 2:14 am
    Post count: 2971
    in reply to: AC Voltage Current Monitor, DROK AC 80-260V 100A LCD SKU 200123 #62911

    Hello Hobart L Austin,

    Do you mean the actual accumulated energy is over than meter range？Could you please tell us the maximum value?

    Best regards.

    Drok
    Keymaster
    March 5, 2021 at 9:00 am
    Post count: 2971
    in reply to: Shipping #62534

    Hello Joe Golden,

    We have sent tracking number to your e-email. Please kindly check it.

    Best regards.

    Drok
    Keymaster
    March 3, 2021 at 8:54 am
    Post count: 2971
    in reply to: LM2596 DC Buck Volt Regulator – need instructions #62338

    Hello ian cummings，

    Would you please kindly offer the product link or SKU number so that we can confirm which item it is?

    No matter which converter it is, please set the output voltage and current for your battery firstly.

    Best regards,

    DROK

    Drok
    Keymaster
    March 3, 2021 at 8:51 am
    Post count: 2971
    in reply to: Buck Converter Step Down Voltage Regulator Charging Indicator #62337

    Hello,

    When actual load current decrease to 10% of preset current, “Charging” led will be off and “Fully” led is on.

    For example, preset current is 1A, if actual output  current  is lower than 0.1 A, “Fully” led is on.

    Best regards.

    Drok
    Keymaster
    March 2, 2021 at 8:33 am
    Post count: 2971
    in reply to: Buck Converter Step Down Voltage Regulator Charging Indicator #62208

    Hello Grant Yardley，

    We are not sure exactly how it is. Did you connect USB-C PD board to converter output or input?

    For charging battery, you can connect diode in series to converter output port, that can prevent backfeed current.

    Best regards.

     

     

    Drok
    Keymaster
    March 2, 2021 at 8:10 am
    Post count: 2971
    in reply to: Digital Meter DC 3.3~30V Signal Generator PWM No Serial Read Data (SKU:200382) #62207

    Hello,

    Are the serial parameters the same? For example, baud rate 9600, data bits 8, stop bits 1.

    Best regards.

    Drok
    Keymaster
    March 2, 2021 at 7:37 am
    Post count: 2971
    in reply to: Output voltage on 200150 boost converter drops as soon as I connect a load #62205

    Hello Blake Ward，

    Would you like to show us how it is by video?

    When actual output current reaches the preset value, the CC indicator is on. Constant current mode is actually a current limit feature.  Assume  preset current is 2A,  load will not draw more than 2A.

    If you don’t want to limit load current, just increasse preset  value.

    Notice: For  dead battery, charging current is high in the beginning, without current limit, it is easy to damage battery.

    If you prefer constant voltage charging, please check if it is appropriate method for your battery.

    Best regards.

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