Mini Rover Robot Chassis Kit – 4WD (4 Wheeler)
1,250.00৳

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Mini Rover Robot DIY Kit – WiFi Controlled (4WD, Multi-Color)

Name: Smart DIY Line Follower Robot PCB Kit
SKU: 22824
Availability: InStock

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2,250.00৳

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Mini Rover Robot DIY Kit – WiFi Controlled (4WD, Multi-Color) quantity

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Description

Build your own WiFi-controlled 4WD robot with this Mini Rover Robot DIY Kit, designed for students, hobbyists, and robotics enthusiasts! With an eye-catching multi-color 3D printed chassis, this kit lets you learn, experiment, and explore robotics and IoT control through WiFi.

🔧 Kit Includes:

1× 3D Printed Chassis (Multi-color, lightweight & durable)
4× TT Gear Motors with matching Wheels
1 Set Nut, Bolt & Screw Pack for easy assembly
1× Wires Set
1× Battery Holder (18650 2S) with 2pcs Battery, Charging Module, and Power Switch
1× L298N Motor Driver Module
1× NodeMCU V3 (ESP8266 WiFi Module)

💡 Features:

WiFi Controlled: Operate your robot from your smartphone or computer
Durable 3D Printed Chassis: Multi-color design with lightweight strength
4WD System: Better traction, balance, and movement
Easy Assembly: Great for learning robotics, IoT, and Arduino programming
Educational Value: Perfect for STEM projects, school robotics clubs, and personal learning

⚙️ Demo Code (For NodeMCU + L298N):

#define ENA 14 // Enable/speed motors Right GPIO14(D5)
#define ENB 12 // Enable/speed motors Left GPIO12(D6)
#define IN_1 15 // L298N in1 motors Right GPIO13(D8)

#define IN_2 13 // L298N in2 motors Right GPIO13(D7)
#define IN_3 2 // L298N in3 motors Left GPIO2(D4)
#define IN_4 0 // L298N in4 motors Left GPIO0(D3)

#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>

String command; //String to store app command state.
int speedCar = 800; // 400 – 1023.
int speed_Coeff = 3;

const char* ssid = “Radiogear BD WiFi Car”;
ESP8266WebServer server(80);

void setup() {

pinMode(ENA, OUTPUT);
pinMode(ENB, OUTPUT);
pinMode(IN_1, OUTPUT);
pinMode(IN_2, OUTPUT);
pinMode(IN_3, OUTPUT);
pinMode(IN_4, OUTPUT);

Serial.begin(115200);

// Connecting WiFi

WiFi.mode(WIFI_AP);
WiFi.softAP(ssid);

IPAddress myIP = WiFi.softAPIP();
Serial.print(“AP IP address: “);
Serial.println(myIP);

// Starting WEB-server
server.on ( “/”, HTTP_handleRoot );
server.onNotFound ( HTTP_handleRoot );
server.begin();
}

void goAhead(){

digitalWrite(IN_1, LOW);
digitalWrite(IN_2, HIGH);
analogWrite(ENA, speedCar);

digitalWrite(IN_3, LOW);
digitalWrite(IN_4, HIGH);
analogWrite(ENB, speedCar);
}

void goBack(){

digitalWrite(IN_1, HIGH);
digitalWrite(IN_2, LOW);
analogWrite(ENA, speedCar);

digitalWrite(IN_3, HIGH);
digitalWrite(IN_4, LOW);
analogWrite(ENB, speedCar);
}

void goRight(){

digitalWrite(IN_1, HIGH);
digitalWrite(IN_2, LOW);
analogWrite(ENA, speedCar);

digitalWrite(IN_3, LOW);
digitalWrite(IN_4, HIGH);
analogWrite(ENB, speedCar);
}

void goLeft(){

digitalWrite(IN_1, LOW);
digitalWrite(IN_2, HIGH);
analogWrite(ENA, speedCar);

digitalWrite(IN_3, HIGH);
digitalWrite(IN_4, LOW);
analogWrite(ENB, speedCar);
}

void goAheadRight(){

digitalWrite(IN_1, LOW);
digitalWrite(IN_2, HIGH);
analogWrite(ENA, speedCar/speed_Coeff);

digitalWrite(IN_3, LOW);
digitalWrite(IN_4, HIGH);
analogWrite(ENB, speedCar);
}

void goAheadLeft(){

digitalWrite(IN_1, LOW);
digitalWrite(IN_2, HIGH);
analogWrite(ENA, speedCar);

digitalWrite(IN_3, LOW);
digitalWrite(IN_4, HIGH);
analogWrite(ENB, speedCar/speed_Coeff);
}

void goBackRight(){

digitalWrite(IN_1, HIGH);
digitalWrite(IN_2, LOW);
analogWrite(ENA, speedCar/speed_Coeff);

digitalWrite(IN_3, HIGH);
digitalWrite(IN_4, LOW);
analogWrite(ENB, speedCar);
}

void goBackLeft(){

digitalWrite(IN_1, HIGH);
digitalWrite(IN_2, LOW);
analogWrite(ENA, speedCar);

digitalWrite(IN_3, HIGH);
digitalWrite(IN_4, LOW);
analogWrite(ENB, speedCar/speed_Coeff);
}

void stopRobot(){

digitalWrite(IN_1, LOW);
digitalWrite(IN_2, LOW);
analogWrite(ENA, speedCar);

digitalWrite(IN_3, LOW);
digitalWrite(IN_4, LOW);
analogWrite(ENB, speedCar);
}

void loop() {
server.handleClient();

command = server.arg(“State”);
if (command == “F”) goAhead();
else if (command == “B”) goBack();
else if (command == “L”) goLeft();
else if (command == “R”) goRight();
else if (command == “I”) goAheadRight();
else if (command == “G”) goAheadLeft();
else if (command == “J”) goBackRight();
else if (command == “H”) goBackLeft();
else if (command == “0”) speedCar = 400;
else if (command == “1”) speedCar = 470;
else if (command == “2”) speedCar = 540;
else if (command == “3”) speedCar = 610;
else if (command == “4”) speedCar = 680;
else if (command == “5”) speedCar = 750;
else if (command == “6”) speedCar = 820;
else if (command == “7”) speedCar = 890;
else if (command == “8”) speedCar = 960;
else if (command == “9”) speedCar = 1023;
else if (command == “S”) stopRobot();
}

void HTTP_handleRoot(void) {

if( server.hasArg(“State”) ){
Serial.println(server.arg(“State”));
}
server.send ( 200, “text/html”, “” );
delay(1);
}

Available now at Radiogear BD — Since 2019, your trusted source for Robotics, FPV & 3D Printing solutions!

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Mini Rover Robot DIY Kit – WiFi Controlled (4WD, Multi-Color)

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