Manual control from a web page and autonomous mode - wall following
Step 1: Components
For this project you will need :
one 4wd chassis - from aliexpress.
4 dc motors
1 hy-srf05 ultrasonic sensor
1 wemos d1 r2 bord based on esp8266
L298N motor driver
2000mA power bank for the Arduino board.
4x1.5V batteries for motor driver
Step 2: Connect to Robot
you have to use a smartphone and make a hotspot connection
Step 3: Connect to the Board
In browser you have to acces the IP adress of the board.