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led 4 digit

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led 4 digit Customers Reviews

  • simple USB consumption measuring

    posted by mkobylan

    looks like standard USB flash memory so you should not have problem to push it into any USB port0.1A 0.01V measurement resolution
    producer should think of next generation with different display module
    it's too long so device you are connecting is bending/pulling USB port down - I would rather buy something smaller (I don't need digits 9mm high)
  • Cool electronic clock

    posted by madmax1981

    It is a cool electronic clock, it look's very nice on the desk. It came packed in bubble foil. It has temperature sensor and it can display the temperature wich is very usefull. It has 4 display modes: only clock, only date, only temperature and alternate. The temperature is not very accurate, but if you have a accurate termometer you can correct the error because the module has that function. Also has the correction function for the clock too.
    This is a cool clock with bright led's.
  • PCI 4-Digit PC Motherboard Diagnostic Card review

    posted by CataVP

    Well-built, arrived in good condition. Does exactly what it is supposed to do. The book included in the package was also great and has a lot of additional information about the passwords and beep codes. There are leds that show the power on PCI pins so it's useful to check if any PCI slot is not working 'cause of missing or broken power pin. You can used only pluged in the USB port too and it will show you if you have BIOS errors.I used it to find a CPU overheating problem already when the only thing that was working on that laptop were the power and hard disk leds.
    - none ;
    Every pc technician should have one in his bag it is a very useful tool if the pc won't boot or won't show anything on screen. Buy one you will be grateful to have one when testing a pc .
  • pvieira

    posted by Paulo9133

    Great product, very useful if you need a simple voltmeter. I was looking for a product like this for months, but I found just car voltmeters. Looks like a professional product, you can install it in a professional power supply and sell, good presentation, no scratchs or failures on injected plastic.
    This product could have some instructions, for example: what is the trimpot for? What is maximum and minimum dc power input? And about range, could be 0 to 19.99Vcc? If we could change dot position (with a simple jumper), this meter could be used in much more applications.
    I really like this product, I recommend.
  • Nice cheap timer relay

    posted by mr22turbo

    Great price! Screwed one open and the electronics on the inside are well made.Its possible for the timer to count down or up to the set time. Timer can be set in seconds, minutes and hours.
    There are different types of timers, check the product number, this one needs AC220V as a power source. Timer has possiblity to hook up a reset and pause switch. The relay can be connected as normally opended as well as normally closed. English manuals can easly be found on the internet through the product number.
    Great product for a great price!

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