DIY Smartphone Bluetooth Controlled 4WD Car Chassis Kit


4x Wheels (67 mm) + 4x DC Motors + Rechargeable Battery with USB-C Charger + Bluetooth Controller + App + Mechanics + Tools

Upgradable smartphone-controlled car chassis kit.

Build your 4-wheel 4-motor car chassis parts or attach wheels on anything and enjoy a fun play!

    • High quality materials.
    • Use your smartphone or tablet to control your own made chassis.
    • Add additional elements.
    • Use hot glue or double-sided tape to attach motors to anything – from cardboard to your favorite toy car.
Control with your smartphone or tablet


In stock

SKU: TMK-4WDU Categories: ,
Weight 0.7 kg
Dimensions 16 × 14 × 9 cm
EU over 100€
Worldwide over 200€
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Follow the Assembly Book to make a Platform: 

4WD car chassis platform assembly book


Detailed Contents 

  • 1x Mini Control Board X3 – Bluetooth motor controller.
  • 4x DC Motor – with leads and JST connectors, 48:1 gear ratio, 200 rpm shaft output at 6 V.
  • 4x Wheels – with rubber tires (67 mm diameter). Two sides flattened shaft holes, to conveniently mount directly on the motor.
  • 1x Battery – LiPo, 3.7 V, 250 mAh.
  • 1x USB-C battery charger.
  • Totem mechanical parts and tools for building chassis frame.
  • 1x Printed color Assembly book.


Quick Start – Controller/Receiver 

Kit uses the following functions of the Board:

  • Light Bar – to indicate the battery charge level.
  • Battery input.
  • Antenna.
  • Supports up to 4 DC motor channels.
  • Supports up to 2 Servo motor channels.


You can also add additional elements, like Servo Motors, to your project.


Mini Control Board X3 by Totemmaker


Follow the schematics.

DC motors connection to x3 electronics board
















Connecting to the App

We suggest using a smartphone or a tablet to control. Follow these easy steps to connect chassis to your device:

1. Download Totem App available on the Google Play or IOS App Store.

Google play icon
iOs app store icon


2. Connect the power cable (see the schematics). The lights on the board will indicate the battery charge level.

3. Two running lights show that Board is waiting for your device to connect.

4. Open the Totem App and press “Connect” button.

5. Make sure to fully charge the battery for your longer play. Simply connect the Battery to the USB charger and plug it into any USB charging device (like your PC or smartphone charger).


That was it, have fun!


Upgrading Ideas


  • Totem Pre-Cut Maker Kit – perfect addition to build on top of the chassis;
  • Totem Maker Kit – perfect for building larger car projects;
  • Add Servo or other motors up to 0.5 A (not included in the Kit) for more complex and fun projects;
  • Use hot glue or double-sided tape to attach motors to anything. Build from cardboard, use old toy or even 3D print your own idea.


 4WD wheels usage example


Mini Control Board X3

Totem robots (including 4WD car) use our developed Mini Control Board X3 to control motors and other accessories. Here are some examples of what can be made with it:

collage of car examples with Mini control board electronics board





Follow the Assembly Book to make a Platform: 



showcase for totem 4wd car chassis kit

4wd2wdmini trooper 280x280

Spider bot with X3-FBI boardhockey carslink shot 280x280

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