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  • Drok
    Keymaster
    Post count: 2971

    Hi, please adjust the potentiometer on the board. Clockwise is step up voltage, and counterclockwise is step down. Any other questions, don’t hesitate to write back to us.
    Regards.

    Drok
    Keymaster
    Post count: 2971

    Hi,
    Are you talking below one?

    If yes, sorry that this buck voltage regulator cannot connect a PWM signal coming from Arduino. Our technicians are trying to upgrade this product now.
    If no, please give us your order number or the product link.
    Looking forward to your reply.
    Thanks!

    Drok
    Keymaster
    Post count: 2971
    in reply to: wire diagram #1600

    Hi, please check the image.

    100177_diagram

    You can also follow the wiring instruction:
    —————————-
    Black wire(COM): the black wire is the common wire or ground wire
    Red wire(PW+): red wire is power supply wire for the meter and also signal wire of voltage measurement(ensure voltage between red and black wire
    is less than 30V)
    Yellow wire(IN+): the yellow wire is current input terminal and should be connected to rear end of tested device(if you only use voltmeter, please
    connect yellow wire with black wire to avoid digits on ammeter flashing due to external interference)
    ———————————————–

    Thanks.

    Drok
    Keymaster
    Post count: 2971

    Hi, It is the high-precision potentiometers, so please rotating it few times, counterclockwise is step down, and clockwise is step up the voltage. thanks.

    Drok
    Keymaster
    Post count: 2971

    hi, John,

    could you please me the link of the item you buy ?

    so we can know exactly the problem.

    looking forward to hearing from you.

    best regards

    Drok
    Keymaster
    Post count: 2971
    in reply to: Drok ltc 1871 #1589

    hi, John

    maybe this thermostat can help you.

    best regards

    Drok
    Keymaster
    Post count: 2971
    in reply to: Drok Volume Control #1585

    Dear friend

    Do you mean the headset/speaker switcher? it is very easy to use.
    let me make it more clearly.

    Green plug: plug into plugged into headphone jack of computer
    Black Plug: Plug into your speaker
    Headset Marked: connect to your Headset.
    Audio Input: connect to any audio device input. for example your ipad, phone, mp3 etc.

    Now, you can press the switch button. then the headset or speaker will switch to play the music.

    Best regards

    Drok
    Keymaster
    Post count: 2971
    in reply to: Drok Volume Control #1584

    dear friend

    thank you for your message. could you please give us the item link. so that we can exactly know which item you mean.

    looking forward to hearing from you.

    best regards

    Drok
    Keymaster
    Post count: 2971
    in reply to: Drok ltc 1871 #1571

    dear friend

    ltc 1871 input/output is common ground. so it should can work with your 6v pos ground system.

    best regards

    • This reply was modified 8 years, 10 months ago by  Drok.
    Drok
    Keymaster
    Post count: 2971

    hi

    we are sorry about that we do not have AC to DC voltage regulator like that.

    but it is a good advice. maybe we will take a consider about this.

    thanks.

Viewing 10 posts - 2,956 through 2,965 (of 2,965 total)