RC Car

! PROJECT IN PROGRESS !

Overview

• Hardware
  • Car
  • Phone
  • Esp8266
• Software
  • Computer Program to control
  • Android app
  • Board program

Hardware

See instructions here

Computer program

• Shall be able to connect to phone (ip address, port) in local network
• Shall be able to control car movement (forward / backward [-1.0, 1.0], steering [-1.0, 1.0])
• Shall be able to receive images from camera
• Shall be able to record it camera image
• Shall be able to receive GPS info, accelerometer value (?)
• Shall be able to receive phone info - battery percent
• Control usingKeyboard / Gamepad / Wheel ?

Android App

• Shall be able to run http server
• Shall be able to receive command for car movement
• Shall be able to stream camera to computer program in real time
• Shall be able to send GPS and other phone info
• Shall be able to connect the board and send command (speed, steering)

API

• GET /camera - return image
• GET /info - return phone info
• GET /camerapREVIEW - return a small image
• GET /position?timeout= - return GPS position
• GET /drive?motor=[speed]&steering[angle] - control car
• POST /setStream?ipAddress=[ipAddress]&port[port] - set the stream receiver
• POST /startStream - start stream to the set receiver
• POST /stopStream - stop stream

Board program

• Shall receive info from phone and set motors and steering according it.
• Communication using Wifi (hotspot) or serial port
• WIFI:
  • In board program USE_WIFI true
  • Run on port 5101
  • UDP Packet structure (3 bytes) - [1, STEERING, MOTOR]
    • STEERING - 1 - LEFT, 2 - RIGHT, 3 - STRAIGHT, other values does not change current status
    • MOTOR - 1 - FORWARD, 2 - BACKWARD, 3 - STOP, other values does not change current status
• Serial Port
  • In board program USE_WIFI false
  • Communication via USB Serial.
  • Packet structure (3 bytes) - [1, STEERING, MOTOR]
    • STEERING - 1 - LEFT, 2 - RIGHT, 3 - STRAIGHT, other values does not change current status
    • MOTOR - 1 - FORWARD, 2 - BACKWARD, 3 - STOP, other values does not change current status