> For the complete documentation index, see [llms.txt](https://longer-vision-robot.gitbook.io/arduino-full-stack/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://longer-vision-robot.gitbook.io/arduino-full-stack/01_getting_started_with_arduino/04_race_car_chassis.md).

# 1.4 Race Car Chassis Model

Students who take our Arduino course on-site will be given a **FREE** full set of race car chassis model. Students are also welcome to puchase the kits from our website at <http://www.longervisionrobot.com/en-us/products/race-car-chassis>. A full set of race car chassis model from [Longer Vision Robot](http://www.longervisionrobot.com) contains:

| Item              | No. of Pieces | Model             | Features                  |
| ----------------- | ------------- | ----------------- | ------------------------- |
| Acrylic plate     | 2             |                   |                           |
| Wheels            | 4             |                   |                           |
| DC Gear Motor     | 4             | TB6612            | DC 3.3V\~12V              |
| Speed ​​Encoder   | 2             |                   |                           |
| Speed Sensor      | 2             |                   |                           |
| Tracking Sensor   | 4             |                   |                           |
| Ultrasonic Sensor | 1             | HY-SRF04/HY-SRF05 | Working Range: 2cm\~450cm |
| Wifi              | 1             | ESP8266           |                           |
| Bluetooth         | 1             | HC-06/ZS-040      |                           |
| Battery           | 2             | 18650             | 3.7V                      |
| Cradle Head       | 1             |                   |                           |
| Screw & Nut       | some          |                   |                           |
| Nylon Column      | some          |                   |                           |
| Electrical Wire   | some          |                   |                           |

![Race Car Chassis](/files/-LCFEQeqjCii60-NRFKa)