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5v module

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5v module Customers Reviews

  • How to Program

    posted by StevenHolland

    This module comes with separate pins as a set. There is a module like this with part no: SKU 178183.It's cheaper and according to the reviews comes with the pins soldered. There may be differences between these boards as the soldered module is referred to and paint-stamped as Funduino. This board has good and clear port indication in white paint but no painted brand name on the back.
    Programming is as follows:Connect module to pc with for example upload cable SKU 199553.Wiring is ground-black vcc-red rx-green tx-white.Connect USB, the board will start with quick flash.Choose Arduino Pro or Pro mini in Arduino Sketch.Choose the automatically added com poort.While the Arduino program on your pc compiles hold down the reset button. Release the button when compiling finishes and uploading starts.I'm glad I found this procedure, together with connecting picture, under SKU 178183. If connecting the USB cable to PC fails please check your USB drivers. I already had an Arduino Leonardo installed before so my computer USB drivers are already present. you'll have it programmed and running the Arduino 'blink' example software within minutes after arrival from China (which takes about 20 days to Europe).Should you get an avrdude:stk500_getsync() error just make sure you release the reset button when uploading starts.
    Superb computerpower on a post stamp.
  • 2 Channel 5V High Level Trigger Relay Module for Arduino

    posted by Troncs

    The value is low compared with other modules of the same segment, ie 5v input with 2 relay, 28v to 250v supports in a strain of 10A.
    Can be used with a switch in parallel. Easy installation for aqules who has basic knowledge of electronics and arduino. This relay will serve 95% of the projects, taking due attention to the engines pscina.
    Plate of red and blue relay. The circuit comes with an opto-isolator which very important for this type of connection.
  • Cheap

    posted by metal03326

    - It's cheap. - It has good build quality. - It's small.
    I bought this for my solar panel (3.4 volts at 40mA) to experiment. My expectations were this thing to supply solid 5V no matter the load. This is not what I got - when plug something to charge, the voltage drops to the input one (3.4V) and the current stays as input one (40mA). I was expecting the current to drop, but the voltage to remain 5V.
    It's cheap, so it can be used for experimenting without emptying your wallet.
  • Works perfect !

    posted by Thioden

    This usart has a genuine FTDI chip on board. this means there are drivers available for most operating systems. It works flawless on Win 7 and OSX Mountain Lion. Comes with short jumper wires to easily connect to other boards.
    A storage box of some sort would have been nice, but for this price you really can't complain.PCB seems to be of decent quality and well produced.
    Will definitely buy another one and recommend this to others. Great product for a great price.
  • Cheap, cheerful, exactly what I wanted.

    posted by maxlan

    The ones I purchased have very little beam divergence. I was expecting to need some lenses but they put a dot on the wall 10 feet away no trouble. The photo with these makes it look like they diverge a lot.
    All 6 I bought were almost exactly the same output (from an uncalibrated eyeball.)
    If you want a handful of lasers to make dots on stuff, these do the job.
    Cheap Cheerful, "does what it says on the tin" i.e. red laser

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