Arduino Serial to Ethernet Using an NSLU2  Techni
Here is another option for getting your Arduino (or other PIC) connected to your network (ethernet)  use an old NSLU2!The NSLU2 and Arduino both talk TTL, but the NSLU2 is 3.3v and Arduino is 5v. Simple fix  add a resistor!Only 3 wires a...英国华人论坛