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digital dc voltmeter

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digital dc voltmeter Customers Reviews

  • The voltmeter (very precise)

    posted by szili83

    The "V20D 0.56" LED Two Line 3-Digital Direct-Current Voltmeter Meter Module - White + Green (DC 2.5~30V)" device is good. I attached some photo, and one video. The measurement is precise. It may the precision of the voltmeter to calibrate with the potmeter (bottom side). I calibrated it. The product is very cheap. It luminous intensity of the voltmeter is very strong. The color of display is reed.
    The device is very cheap, good, and exact.
    Cheap, and good device.
  • Just great

    posted by nanino

    Separate Sens from Vcc of the device. Adjustment Works great. Nice color and brightness. The cable has a connector in case you want to change it (I did)
    Just buy it if you need something like it. Accurate and cheap
    I'm now buying 3 more to complete my electrobench
  • Great DC Voltmeter/Ammeter

    posted by icefire21

    - works right out of the box, no external shunt required;- two separate adjustment screws on the pcb. Voltmeter and Ammeter can be separately adjusted/calibrated if readings are inaccurate.- easy to hook up- relatively accurate (once adjusted, accuracy is ok..)
    Excellent price/benefit ratio. If you bought a volt-/ammeter and a separate external shunt it would normally cost about 50% more, so it's pretty much a good bargain. Perfect for home DIY projects (I used it for a DIY car battery charger)
    Excellent price/benefit ratio. Just great :)
  • nice display

    posted by prOOwner89

    I like this thing a lot, i had another one in red without the frame and it didn't look as good as this one, the blue color is nice and even, no dark sports, and seems fairly correct to me. The black surrounding around the display is made of the same material as most dashboards so could be integrated very wel in a dashboard without noticing. The display has a matte cover over it to enhance visibility in the sun or bright daylight.
    This is the way to go is you want a nicely finished display with a case to match so you can build it in in something
  • Perfect for hobby

    posted by lschans

    Very smallNice and bright displayConsumes little powerLooks great in my FPV ground-station to monitor battery voltageYou can also use this in your cars with a button attached on +If you press the button your voltage will be shown
    You could make one with multiple input wires. So if you have like more than one battery you can have it automatically swap between them.
    I really like this device. It has great use for my purpose


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