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I saw some radio controllers for kids robots alike xbox/playstion game pads few months ago. But I couldn't find them by searching. I am looking for some cheap radio controllers for RC cars or other kids robots like console game pads.May you help me?

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What about using an inexpensive 2.4GHz RC transmitter?

I already had one for a WLToys V222 quadcopter If you don't already have one, you can pick one up on ebay for \$5 to \$15.

I opened up the quadcopter and Identified the chips it used

Based on this, I found the NRF24L01 which appeared to be compatible which I purchased on eBay for a whopping \$0.67US. Add a \$15 Arduino Mega (or a $2 Arduino Nano clone) and you are all set to go.

After a bit of time and part in hand I hooked it up to the Arduino and I was able to control a servo using my inexpensive wireless controller.

My Setup

SUCCESS!!

My guess is that the protocol varies depending manufacturer; so, a bit of reverse protocol engineering may be required. If you would like more information on the code and config for the controller I used, Up Vote this and add a comment.

2.4GHz gamepads

There are also 2.4GHz gamepads available for a similar price. Their protocol might also be a bit different; so, a bit of reverse protocol engineering may be required in that case as well.

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  • $\begingroup$ Thank you mark, But I am looking for a game pad like controller. something like ps2 controller. Also about voting up, I am new user and I can't do this until have 15 reps. $\endgroup$ – WDR Sep 16 '17 at 4:54
  • $\begingroup$ Can you clarify your question? If you want a way to remote for a DIY project, using an RC transmitter is going to be cheaper and have better range than a wireless game controller. $\endgroup$ – markshancock Sep 16 '17 at 15:16
  • $\begingroup$ I am trying to build warrior robot for kids and I think usual gamepads are easy and more interesting for kids to play with $\endgroup$ – WDR Sep 17 '17 at 8:10
  • $\begingroup$ There are also 2.4GHz Gamepads out there for a similar cost. You may be able to use the same scheme. $\endgroup$ – markshancock Sep 18 '17 at 15:44

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