Here is the wiring configuration you will need if you wish to connect this commonly found Ethernet module to an Arduino Nano v3.0. I use this module quite a bit, mainly as it's reliable, cheap, and pretty quick too. Mine came from Fasttech, and is listed for around £3 currently, though I didn't pay that much, and I believe you can pick these up for around half that price on … [Read more...] about JY-MCU ENC28J60 & Arduino Nano v3.0 Wiring