float sensor+arduino

you hv send me ciruit diagram for arduino+float sensor.first of all thank u very much for that..but as i told that i m totally newer to ele. so i cant understand circuit diagrams so can u plz make it in easy way???please...what materials will be needed and i m going to use arduino uno so on which pin i will have to attach sensor...plz plz plz help..thnx in advance sir