It's the example of the code for esp8266 to control the toy car. you can download ESP8266 car wifi apk from playstore and upload the code to the ESP8266. Connect the D0, D1, D2 and D3 pin to any motordriver and connect the wifi in your mobile open the apk and start controlling the car.
Step 1 : Connect the wire according to the code using this GPIO pin in figure Link-: https://i0.wp.com/randomnerdtutorials.com/wp-content/uploads/2019/05/ESP8266-NodeMCU-kit-12-E-pinout-gpio-pin.png?resize=817%2C542&quality=100&strip=all&ssl=1
Step 2 : Change the SSID and Password of WiFi from code.
Step 3 : Download the app Link-: https://drive.google.com/file/d/17QFx7VeoK4WDRzU7NjmfP5mUHYXRtkpu/view?usp=sharing
(It's custom build app from MIT app inventor website.)
Step 4 : Configure the settings of app:
a. IP address (Gateway of the ESP8266 WiFi)
b. Port (80)
You have two joystick (4 channel) in which 2 channel is used. Either you can use 2 channel from 1 joystick or from both of them.
c. Put "leftjoystick?FB=" in a box where you want your car to move forward and backward.
d. Put "rightjoystick?LR=" in a box where you want your car to move left and right.
Step 5 : Press Back and enjoy the ESP8266 car.
