Complete description: Search for a fire and blow it off Functions : Line Following,Obstacle detection,Flame sensor Specifications : 2 30 RPM motors, 7 digital sensors,1 IR flame sensor 1 1000 RPM motor for Fan Parts used : IR sensors,SN754410,L293D,LM324 Comparator Problems encountered: Sensor interface Time to build : 2 weeks Cost : 75$ Any other important information Web site URL :http://www.geocities.com/gear996 Email: gerryseq@rediffmail.com