WiFi Robot Car: How to Control an ESP8266 Based Robot Car over WiFi
Robot Car Control Download: How to Build and Control Your Own Robot Car
Have you ever dreamed of building your own robot car and controlling it wirelessly from your smartphone or computer? If so, this article is for you. In this article, you will learn what a robot car is, why you should build one, what are the main components of a robot car, and what are the different methods of wireless control. You will also learn how to build a robot car using Arduino and ESP8266, and how to control it using different apps. By the end of this article, you will be able to create your own robot car and have fun with it.
What is a robot car and why you should build one
A robot car is a vehicle that can move autonomously or remotely by following commands from a controller. A robot car can perform various tasks, such as obstacle avoidance, line following, object tracking, or remote surveillance. Building a robot car is a great way to learn about robotics, electronics, programming, and engineering. It is also a fun and creative hobby that can challenge your skills and imagination. You can customize your robot car according to your preferences and needs, and you can share your creations with others.
robot car control download
What are the main components of a robot car
The main components of a robot car are:
A chassis: This is the frame or body of the robot car that supports all the other components.
Motors: These are the devices that provide motion to the wheels or tracks of the robot car.
A motor driver: This is a circuit that controls the speed and direction of the motors.
A microcontroller: This is a small computer that runs the code or program that controls the behavior of the robot car.
A wireless module: This is a device that enables communication between the microcontroller and the controller (such as a smartphone or computer).
A power source: This is a battery or adapter that provides electricity to the robot car.
Sensors: These are optional devices that can detect various physical phenomena, such as light, sound, distance, color, etc.
Actuators: These are optional devices that can perform actions, such as turning on lights, making sounds, moving arms, etc.
What are the different methods of wireless control
The different methods of wireless control are:
Bluetooth: This is a short-range wireless technology that uses radio waves to connect devices. Bluetooth is widely used for connecting smartphones, headphones, speakers, keyboards, mice, etc.
WiFi: This is a medium-range wireless technology that uses radio waves to connect devices. WiFi is widely used for connecting computers, routers, printers, cameras, etc.
Radio Frequency (RF): This is a long-range wireless technology that uses radio waves to connect devices. RF is widely used for connecting remote controls, radios, TVs, etc.
How to build a robot car using Arduino and ESP8266
Step 1: Gather the materials and tools
To build a robot car using Arduino and ESP8266, you will need the following materials and tools:
MaterialQuantityArduino Uno board1
ESP8266 WiFi module1
L298N motor driver1
Robot car chassis kit (with 4 wheels, 4 motors, and screws)1
9V battery and holder1
Laptop or desktop computer1
Smartphone or tablet1
You will also need the following tools:
Wire cutter and stripper
Soldering iron and solder (optional)
Arduino IDE software (download from
ESP8266 WiFi Robot Car app (download from
ELEGOO Smart Robot Car app (download from
Arduino Bluetooth Controller app (download from
Step 2: Assemble the chassis and motors
To assemble the chassis and motors, follow these steps:
robot car control app download
robot car control software download
robot car control code download
robot car control arduino download
robot car control android download
robot car control apk download
robot car control bluetooth download
robot car control wifi download
robot car control elegoo download
robot car control esp8266 download
robot car control tutorial download
robot car control manual download
robot car control project download
robot car control kit download
robot car control pdf download
robot car control video download
robot car control game download
robot car control simulator download
robot car control online download
robot car control pc download
robot car control windows download
robot car control mac download
robot car control linux download
robot car control raspberry pi download
robot car control python download
robot car control java download
robot car control c++ download
robot car control scratch download
robot car control processing download
robot car control node.js download
robot car control web download
robot car control html5 download
robot car control jquery download
robot car control react.js download
robot car control vue.js download
robot car control angular.js download
robot car control firebase download
robot car control aws download
robot car control azure download
robot car control google cloud download
robot car control blynk download
robot car control mit app inventor download
robot car control blocklyduino download
robot car control makeblock download
robot car control mblock5 download
robot car control microbit download
robot car control lego mindstorms ev3/nxt/rcx/boost/spike prime/education/we-do/robotics-invention-system/creator/download
Take the robot car chassis kit and unpack it.
Attach the four motors to the four corners of the chassis using screws.
Attach the four wheels to the four motors using screws.
Attach the battery holder to the center of the chassis using screws.
Your robot car chassis is ready.
Step 3: Connect the ESP8266 module and the motor driver
To connect the ESP8266 module and the motor driver, follow these steps:
Take the ESP8266 module and solder some male header pins to its pins. Alternatively, you can use a breadboard adapter for ESP8266.
Take the L298N motor driver and solder some male header pins to its pins. Alternatively, you can use a breadboard adapter for L298N.
Take the breadboard and place it on top of the chassis using some double-sided tape or glue.
Connect the ESP8266 module to the breadboard using jumper wires. Make sure to connect the VCC pin to 3.3V, the GND pin to GND, the TX pin to RX, and the RX pin to TX.
Connect the L298N motor driver to the breadboard using jumper wires. Make sure to connect the VCC pin to 5V, the GND pin to GND, the ENA pin to D5, the IN1 pin to D6, the IN2 pin to D7, the IN3 pin to D8, and the IN4 pin to D9.
Connect the four motors to the L298N motor driver using jumper wires. Make sure to connect each motor's positive wire to one of the OUT pins, and each motor's negative wire to another OUT pin.
Your ESP8266 module and motor driver are connected.
Step 4: Upload the code to the ESP8266 using Arduino IDE
To upload the code to the ESP8266 using Arduino IDE, follow these steps:
Connect your Arduino Uno board to your computer using a USB cable.
Open Arduino IDE software on your computer.
Select Tools > Board > Arduino Uno from the menu.
Select Tools > Port > COMX (where X is your Arduino port number) from the menu.
Copy and paste the following code into Arduino IDE:
// Robot Car Control Download: How to Build and Control Your Own Robot Car // Code for ESP8266 WiFi module #include
// WiFi credentials const char* ssid = "Your WiFi Name"; const char* password = "Your WiFi Password"; // WiFi server WiFiServer server(80); // Motor pins const int ena = 5; // D5 const int in1 = 6; // D6 const int in2 = 7; // D7 const int in3 = 8; // D8 const int in4 = 9; // D9 // Motor speed int speed = 255; // Command from controller String command = ""; void setup() // Initialize serial monitor Serial.begin(9600); // Initialize motor pins pinMode(ena, OUTPUT); pinMode(in1, OUTPUT); pinMode(in2, OUTPUT); pinMode(in3, OUTPUT); pinMode(in4, OUTPUT); // Stop the motors stop(); // Connect to WiFi network Serial.print("Connecting to "); Serial.println(ssid); WiFi.begin(ssid, password); while (WiFi.status() != WL_CONNECTED) delay(500); Serial.print("."); Serial.println(""); Serial.println("WiFi connected"); // Start the server server.begin(); Serial.println("Server started"); // Print the IP address Serial.print("Use this URL to connect: "); Serial.print(" Serial.print(WiFi.localIP()); Serial.println("/"); void loop() // Check if a client has connected WiFiClient client = server.available(); if (!client) return; // Wait until the client sends some data Serial.println("New client"); while(!client.available()) delay(1); // Read the first line of the request String request = client.readStringUntil('\r'); // Print the request Serial.println(request);