If you are searching for mini projects for engineering or if you are a student who is looking for Hobby project idea or best projects using Arduino This can be easy and best Arduino project you can make on a budget, i.e Arduino toll tax barrier Toll tax barrier using arduino What is Toll Tax? Some of the roads are managed by third party authorities, Hence if we want to travel through those roads which is well maintained or to compensate construction costs they charge us some money, so they stop us before entering the road and collect some money, since the number of vehicles passing through that road will be very high they need a form of a gate which is automated so