ELEGOO UNO R3 Board ATmega328P with USB Cable(Arduino-Compatible) for Arduino

Five StarsThis Arduino clone board worked perfectly for me right out of the box. No drama, no issues, no system software updates. Just upload the newest compatible version of Arduino with your OS.I am a reasonably experienced multi-platform computer user, but Mac is my preferred platform. For me, running Mac 10.13.6 High Sierra on a 2012 Mac Mini, Arduino 1.8.19 works flawlessly. AccelStepper, ezButton, and all the other popular libraries worked first time.The supplied USB cable was too short for my purposes, so I had to substitute a known working data plus power USB cable. Also, the device does not like being ported through hubs, though with the right hub it probably works fine. I just didn't bother.I did get one "device drawing too much USB current" alert from my Mac OS, but I have no idea why. It was just sitting there. I think it was a fluke or a momentary short or something as I had the board laid out on my desktop.Other than that, works like a charm. Accepts the XikenTec HCDC Shield.Not all clones are created equal. See my review of "another brand" of Uno clone, the very cheapest one currently on Amazon. I'm ordering another one of these Elegoo right now to replace that one, which I am sending back.The Elegoo branded Uno clone seems like a good compromise between clone pricing and OEM compatibility. Or, screw around loading drivers and fiddling with your OS for a day or two and save an additional five dollars. :-)

It works well and it is very compatible with the original UNO.

Great board for learning the ins and outs of programming an Arduino. Easy to use. Great as a starter board.At this point I only use it for testing. For making actual projects I go with a much smaller and compact board like the ESP32 or even a Raspi Pico W.My gripes with it is its limited memory, no built in WiFi and the use of a USB B port. But as a starter board this is pretty great and documentation can easily be found online, even through youtube tutorials. As for the gripes thats really only gripes for the more professional user. Memory issues wont really be a problem for a starter. You dont really need WiFi to start learning it or i think its preferable to not have WiFi so people can stick to learning just the basic stuff first. Once they feel they need to tackle WiFi they can either upgrade to a different PLC or buy the seperate WiFi hardware. But perhaps beginners should learn to walk before they can learn to fly meaning they shouldn't tackle the wifi part before learning the basic stuff first. As for the USB B port. THat is old technology that really should only be used for printers and bigger hardware. Not something small like a PLC. The upside to it is that it makes the device stronger and less likely to break unlike usb micro and usb C which are easier to snap off during an accident.

works just like the original. no issues for my projets. came with info disc and docs

Product was as shown and the price was good, shipping was on time even in a snow storm.Delivery guy needs a 5 star rating as well.

This is a great board. It works identically to my old Arduino UNO. I noticed an extra blob of solder on my board but it doesn’t seem to create any short circuits and even if it did, I can use my soldering station to remove it. I can see how this would be a problem for those who aren’t into soldering but for me, being able to achieve the same functionality as the Arduino UNO for cheaper is worth it. I’d buy this again.

It was not the cheepest choice available but when I received it, it looks good (Other than the printing on the board, it appears to be identical to an UNO sold by Arduino) and it works. So far everything I've received from this seller has been good, which is more than I can say about some sources

Awesome board however it’s not 100% compatible with the Arduino software which was using on the application for my project.