Voice Controlled
Robotic Car

The Voice Controlled Robotic Car by NextGenRoboticX is a cutting-edge project that bridges the gap between human speech and machine action. Utilizing the power of the Wemos D1 R2 WiFi-Esp8266 board, this project enables seamless control via a custom Android application.

Whether you're a beginner or an advanced maker, this guide provides everything you need to implement real-time voice processing and motor control logic. Transform your spoken words into precise mechanical movements.

• Intelligent Voice Recognition
• Low-latency WiFi Communication
• Dedicated Android Interface
• Precise L298N Motor Calibration

Core Hardware

Essential components for your Voice Controlled Robot.

• Wemos D1 R2: An ESP8266-based board that provides the necessary processing power and WiFi connectivity for handling voice commands.
• L298N Driver: A dual H-bridge motor driver that translates digital signals from the Wemos board into high-current power for the motors.
• Power Source: Reliable Li-ion batteries providing the necessary voltage for both the controller board and the high-torque gear motors.
• Robotic Chassis: A high-quality 4WD chassis designed for stability and durability, perfectly suited for voice-controlled navigation.

Circuit Architecture

The circuit design focuses on isolating power for the motors while maintaining a common ground for logic signals. Ensure all connections are secure for voice command reliability.

Command Logic

// Voice Control Implementation - NextGenRoboticX
#include <ESP8266WiFi.h>

void processCommand(String voiceInput) {
  voiceInput.toLowerCase();
  
  if (voiceInput.indexOf("forward") >= 0) {
    moveForward();
  } else if (voiceInput.indexOf("backward") >= 0) {
    moveBackward();
  } else if (voiceInput.indexOf("left") >= 0) {
    turnLeft();
  } else if (voiceInput.indexOf("right") >= 0) {
    turnRight();
  } else {
    stopRobot();
  }
}

// ... setup and loop functions ...