try telnet 192.168.1.75:80
instead of telnet 192.168.1.75 80 (without : )
Hello, I've just adapt wifly librarie for a little projet. I've followed the advices of arduino site. My project can build without error, but I don't tested it on a wifly board (I don't have one at this time). I've replaced Client.h and Server.h by WiFlyClient.h and WiFlyServer.h. And replaced to th...