Top positive review
7 people found this helpful
on 18 July 2013
I got this to use with a SainSmart MEGA2560. It is a no-name board, but it looks well made and fitted easily on top of the MEGA2560. But it didn't work. After some head scratching wondering what I might be doing wrong, I realised that the problem was that the SPI header pins on the MEGA2560 were not making good contact with the socket on the Ethernet shield - the socket only partially absorbs the pins. I cut a bit off the length of the pins on the Ethernet shield, as there was plenty of headroom, and it was then fine.
It works well with the standard Ethernet and SD Card libraries, and can be used as a client (e.g., to get the time by NTP) or server (e.g., to pick up sensor readings remotely), so it certainly expands greatly what you can do with an Arduino type processor board. It is a pity that genuine Arduino Ethernet shields are so expensive - you could buy a Raspberry Pi cheaper and get a lot more than an Ethernet interface and an SD Card slot. But the price of this board makes it a reasonable proposition.