Smart car | arduino Bluetooth TT remote control car upgraded version

Project description:
There are three design drawings, which can be switched by clicking.
This circuit board is suitable for novices. It has the use of nano module, Bluetooth module, OLED module, car chassis, TT motor, steering gear and ultrasonic wave.
If you don’t want to use TT motor, please see another project (under editing)
old version of the project [Standard Version Bluetooth Car](https://oshwhub.com/001_han-dan-xue-yuan/zhi-neng-xiao-ju-dian- ji-qu-dong)
Project Video [Show Video](https://www.bilibili.com/video/BV15E411g78h/)

Advantages of the new version of the car: The motor drive and tracking modules and NANO and Bluetooth modules are detachable.
It has peripherals such as light seeking, fire seeking, Bluetooth remote control, ultrasonic, steering gear, WS2812 colored lights and other peripherals. Loadable speed detection module. There are short-circuiting caps on both sides of NANO to facilitate pin switching. The connectors are made of high-quality materials and are convenient for frequent plugging and unplugging.
This model is an upgrade based on the original car. Click on the chassis and click on the 3D preview to see the effect. The steering gear, ultrasonic module and car chassis are not shown.
To purchase materials, you can get coupons here [new registration coupon link] (https://activity.szlcsc.com/register/coupon?ru=2D9B229263775EAB1D8B65A7B17AF80B&c=G116). There is a 30 yuan coupon, and you will get ** when you register here. Coupons are issued from time to time**, emmmmm, we can still save some money.

Rendering of the complete version
! [QQ screenshot 20220924221915.jpg] Pictures of the beggar’s version that can be played
! [IMG_20200302_161019.jpg]