Check out my new project on sending a balloon into space!!
Step 1: Get the Materials
Then you'll need a Ping UltraSonic Sensor which you'll find at most radioshack stores...
A base and scrap metal or plastic that you have lying around.
Some extra wires.
Some cheap mounting tape from Walgreens or the dollar store.
Two Futaba S3003 servos.
Some lego wheels -4 of them ......or other small wheels.
Also a rechargeable battery. (The only reason is that the servos use a lot of energy.
Now your all set to go!
Step 2: Making your Servos Move 360 degrees
We're gonna make it move all of the way around....
Basically changing some of the mechanics inside it.
Follow this tutorial and get your servo to go all of the way around and you can go to the next step!
Hacking Some Servos
This should give you two perfectly, well yea, they move all the way around.
Step 3: Putting it all together
Then attach the (giant) in my case battery to the top of the metal. Then place the Ping sensor into a piece of pcb and make it with the end of the servo you cut off and now you have most of it done.
Then attach the Arduino on top of the battery. For a little size comparison here is how large this robot should be....