ok...actually i want to build a swiffba robot which when the sensor hit the wall, it will turn right/left n then move straight again..
ok now i want to compared Swifba robot with $50 robot...for example, at the step 3(Electronics) and step 4(programming)..
so my question is can i use the same circuit at the step 3 and same programming at the step 4 in my Swiffba robot?