[lckfb] Smart car

1. Function introduction:

(1) Four-wheel drive vehicle, four-drive force, remote control forward, backward, left turn, right turn.

(2) Bluetooth remote control, install Bluetooth APP on the mobile phone for control.

(3) Ultrasonic obstacle avoidance, which will automatically avoid obstacles.

(4) Infrared tracking, which can automatically drive along the black line marked.

(5) Power detection, the battery level will be alerted when it falls below a certain value.

(6) Wireless remote control, reserved 2.4G wireless module, can be matched with the corresponding handle remote control.

(7) OLED screen, through the 0.96-inch OLED screen to display status information.

(8) PS2 controller, with PS2 controller for remote control.

(9) Voice control, using voice to interact with the car, controlling the movement of the car, broadcasting temperature and humidity, etc.

(10) Play music, connect speakers, and play audio.

Appearance: A tribute to the cartoon "Four-wheel Drive Kid" and "Iron Armor Xiaobao", 3D printed shell, two-dimensional coating.

2. Schematic diagram description

On the basis of the official smart car of the lckfb:

(1) Replace the active buzzer with the non-active buzzer;

(2) Added a 0.96-inch OLED screen display module;

(3) Added PS2 controller receiver interface;

(4) LU-ASR01 voice module + DHT11 temperature and humidity sensor has been added;

3. PCB design description

(1) The layout of the components is shown in the figure and placed neatly.

(2) Wire connection, pay attention to the power cord to be thickened.

4. The description of key procedures

Modular programming, each function drive package is organized, the configuration parameters are modified in the .h header file, and it is easy to call in the main function.

5. The physical display

No enclosure:

With enclosure:

For the demonstration video, please refer to the attachment or Bilibili: [lckfb] Smart Smart Car  https://b23.tv/nbupriq