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How to convert a wired toy car into a wireless robot car?

Updated on March 21, 2012

Being a beginner into aeromodelling, it would be better off to start with a wired robo using a very simple chassis (a body on which you can mount wheels, motors, etc.), 4 DC motors preferable 300 RPM, a pair of two-way switches, each pair controlling the left side motors (2 motors are on the left and 2 on the right) and another controlling the right side motors.

Anyways coming to increasing your level in robotics, you can go for wireless, making your wired robot wireless requires some circuitry and a mobile power source onboard. I will give you the easiest option and it is to hack the wireless parts of your remote controlled cars but remember making it yourself would be the most satisfying thing in the world. Here is the link to my first hub on How to make a Remote Controlled Robot Car?

The most difficult bit is getting a controller connected and programing it, using a DC motor will not be easy for beginners and I would recommend servos for that.

So ideally your first step is to get: 1. Microcontroller. 2. Development board. 3. The connecting stuff. 4. Servos.

And try to program or get a downloaded PWM code working, depending on button or sensor.

Another question here arises is that is the microcontroller programming possible in C? My suggestions are that if you have succeeded to make a wired robot, to make it wireless you can do following.

1. If you are not familiar with microcontrollers , better to start now. Use PIC microcontrollers (start with 16F628) with "PIC BASIC" or if you don't have access to PICs in your areas, try 89c2051 with "BASCOM", as both BASCOM and PIC BASIC are basic compilers and it will be very easy to start the programming.

2. For batteries, do not use NICD or nickel cadmium batteries, but use NiMH batteries.

3. Also, you can get the old laptop batteries from electronics scrap. Open the laptop battery and check the internal bank of batteries for working ones. As these are Li-ion or Lithium ion batteries, they have very good capacity. Be aware while charging these batteries, you will need to make a proper charger; otherwise, these will burst, as I have experienced it.

Simple wired car
Simple wired car
Advanced wireless robo car
Advanced wireless robo car


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    • GetitScene profile image

      Dale Anderson 4 years ago from The High Seas


    • profile image

      maddy 4 years ago

      hello sir, i am making a project would you please help me how can i make a radio controler for a quad helicopter .

    • soni2006 profile image

      Rajinder Soni 5 years ago from New Delhi, India

      Okay friends.

    • profile image

      anurag tak 5 years ago

      sir,please please please tell me how make a wireless toy car.please reply at

    • profile image

      ravi 5 years ago

      sir i want to make a rc control helicopter will u plz help me that where would i get neccesary equipments for it..??


    • profile image

      Anderson 5 years ago

      Hello sir i have had lots of problem building rc toy helicopter could you please tell me how to make it i would be very grateful please send to me in my email address or thanks

    • profile image

      ABHIJEET JADHAV 5 years ago

      Hello, sir ur site is very useful to new generation to invent some diffrent,

      sir, i want to make small remote or pc controlled camera inside the small helicopter,sir plz guide me to invent or make it.send me instructions on my email

    • profile image

      shashank 5 years ago

      got a good brief knowledge about wireless bots thanks

    • profile image

      Ishesh 6 years ago

      plz sir tell me i m started just to make cam car plz tell me how to handle this and material requirements.

      Plz send me mail on

      Thanks and Best Regards


    • profile image

      Akash 6 years ago

      Dear Sir,

      As a hobey i would like to make my own RC Car. Kindly help me with technical and material requirements for the same. Send me mail on

      Thanks and Best Regards,


    • profile image

      meet patel 6 years ago

      sir i want to make a robot which is control by my fone(samsung galaxy) plz give me some basic concept and which circuit i use for that robot .................

      plz reply on my id

      thank u sir for help............

    • profile image

      henok gebrhiwot from ethiopia 6 years ago

      i lik to be ur meamber i have many car models i want to convert them into remot car

    • profile image

      jeetendra singh 6 years ago

      sir how to control remote control car by the mobile phone please tell me ""

    • profile image

      GAUTHAM JOSHY 6 years ago

      Sir please tell me an detail idea about how to make it and what r the components recquired & their uses with its clear photo...

    • profile image

      atul 6 years ago

      rir i want to make wireless robo car pls help me sir!

    • profile image

      sathiya333 6 years ago

      hai sir, iam doing a project in voice controlled robocar, now i have found out the voice recognition and interfacing circuits but i have a confusion in using the robocar, whether i should use a true robocar or i can just make a toy car to work according to my commands.....

      we waiting eagerly for ur reply sir..

      send ur reply and suggestions to sir.,,.,

    • profile image

      kyawsoe 6 years ago

      sir, i want to make this car .plz sent me at

    • profile image

      asad 6 years ago

      i want make the car

    • profile image

      asad 6 years ago

      pless tell me how can make car

    • profile image

      given 6 years ago

      may you also teach me too

    • profile image

      rajesh nepal 6 years ago

      im neppali student.i also learn about making toy robort . could u teach me?

    • profile image

      azaz 6 years ago

      sir, if i use camera with this vehicle, how can i program it with matlab so that it can detect obstracles?

      Please reply me at

    • profile image

      Vidhunnan Sparklite 6 years ago

      Sir can any one of u tell me how t make a remote controlled toy car. Please reply me at

      Thank You Sir.

    • profile image

      bunty 6 years ago

      its a encourageous info for biginers like me. thanx a lot 4 encouraging me

    • profile image

      pankaj kumar 6 years ago


    • profile image

      RANJEET SINGH 6 years ago


    • profile image

      rahul porwal 6 years ago

      sir i m a student of II year

      i have a wired robo car which i used in roborace

      now i want to make it wireless

      wat can i do?????

      plz suggest me and tell me the components plzzz....

    • profile image

      sunny verma 6 years ago

      sir is we are operating the toy car with mobile phone

    • profile image

      naveen 6 years ago

      sir i wanna know about a remote control robo car

    • profile image

      joshi 7 years ago

      sir,please please please tell me how make a wireless toy car.

      please reply at

      it's very humble request sir.

    • nms profile image

      nms 7 years ago from Cochin

      my first lesson on robotics :) cool hub

    • soni2006 profile image

      Rajinder Soni 7 years ago from New Delhi, India

      You need to read this Rohan: How to Control Robot with Java Enabled Phone or IPhone?

      and Robotics As a Career Option in India

      Best of luck

    • profile image

      Rohan Botre 7 years ago

      I am a student and i m doing a project for my final year.

      My project is about Wifi Controlled robotic car. In this project i want to control a robotic car placed in one wifi zone with the help of the mobile phone which in another wifi zone, that is the two equipments are in different wifi zones. The robotic car should have a camera which will capture images and send it back to the Mobile phone. Plz help me how should i start with the project. Plz guide me for the various components required for the hardware of the robotic car.

      Waiting for your reply.

    • soni2006 profile image

      Rajinder Soni 7 years ago from New Delhi, India

      Thanks a lot for your comment Nikhil.

    • profile image

      Nikhil 7 years ago

      Above data is usefull for starters.