beginer : create new input

I m a beginer

my setup = Rpi + RFM12B + TinyTx DHT22 (from Nathan Chantrell)

i installed the rock solid gateway

connected to my emoncms and get the apikey

tried the input and feed

but i dont understantd if it s just an example or the setup

i don t know how to setup my node

i read forum and docs but i didn t find

please help me

include picture 

thinks