Published September 9, 2021 © GPL3+

Keyboard Controlled Wi-Fi Bot/Spy Bot

Keyboard keys controlled Spy Bot using ESP8266 as a Wi-Fi communication medium between Serial Monitor software PuTTY and Arduino.

IntermediateFull instructions provided1,319

Things used in this project

Hardware components

Arduino UNO

Any Arduino Board would work

Espressif ESP8266 ESP-01

SparkFun Dual H-Bridge motor drivers L298

SparkFun Breadboard Power Supply 5V/3.3V

DC motor (generic)

Jumper wires (generic)

Software apps and online services

Arduino IDE

PuTTY

Hand tools and fabrication machines

Soldering iron (generic)

Hot glue gun (generic)

Story

This project would help you to monitor/spy and control the bot at the same time from your PC so that you don't need to go out and do it on your own. A simple example for the application of this project could be to manipulate the bot as a waiter to server tables, while the actual waiter controls the bot from a computer. This may help to deal with the current COVID - 19 pandemic situation.

This project was inspired by car driving games, the way most of them use WASD keys on the keyboard for the car movement. This project utilizes PuTTY, a really awesome Serial Monitor with Serial over Network and continuous key input functionality(Sends key input to the Serial Device until pressed).

You can very easily attach your smartphone on the Bot and use any IP webcam apps and connect it to your PC to remotely have a visual aspect of the Bot and Control it at the same time. Ex : DroidCam is available for both Android and iPhone; https://www.dev47apps.com/

Important Notes

Change the SSID and Password to your the respective details of your Wi-Fi network to which ESP8266 will connect.

#define STASSID  "your SSID"
#define STAPSK   "your Password"

Steps to configure PuTTY

Step 1 :

Download PuTTY from this link : https://www.putty.org/

and then install it.

Open PuTTY and this is how it would look like.

Step 2 :

After uploading the ESP8266 code at the bottom, use the local IP Address listed by ESP8266 on the Serial Monitor.

Use this IP Address in the Host Name (or IP Address) text box in PuTTY, as in this case I'll put 192.168.29.37 because that is the IP Address of my ESP8266 on my Home Network.

Now by default in the Source Code, the port number is 1234 but you can change it to any unused port on your network.

Enter the default port number or your desired port number in the Port text box of PuTTY.

Step 3 :

The connection type used in ESP8266 Wi-Fi server library is Raw so we need to change the connection type in PuTTY to Raw.

Step 4 :

This next step will enable Continuous Key Input. For that, head over to Terminal Category and set Local Echo and Local Line Editing to Force off.

You can also save all these settings by making a profile on the first page and this part is done.

Here are few pictures of the Bot dismantled :

Hope you like this project.

Code

const int i1 = 2;
const int i2 = 3;
const int i3 = 4;
const int i4 = 5;
int i;
void setup() {
  Serial.begin(115200);
  pinMode(i1, OUTPUT);
  pinMode(i2, OUTPUT);
  pinMode(i3, OUTPUT);
  pinMode(i4, OUTPUT);
}

void loop() {
  if(Serial.available()) {
    i = Serial.read();
    Serial.println(i);

    if(i == 115) {
      digitalWrite(i1, HIGH);
      digitalWrite(i2, LOW);
      digitalWrite(i3, LOW);
      digitalWrite(i4, HIGH); 
    }
    else if(i == 119) {
      digitalWrite(i1, LOW);
      digitalWrite(i2, HIGH);
      digitalWrite(i3, HIGH);
      digitalWrite(i4, LOW);      
    }
    else if(i == 97) {
      digitalWrite(i1, HIGH);
      digitalWrite(i2, LOW);
      digitalWrite(i3, HIGH);
      digitalWrite(i4, LOW);
    }
    else if(i == 100) {
      digitalWrite(i1, LOW);
      digitalWrite(i2, HIGH);
      digitalWrite(i3, LOW);
      digitalWrite(i4, HIGH);
    }
  }
  else {
    delay(600);
    i = 0;
    digitalWrite(i1, LOW);
    digitalWrite(i2, LOW);
    digitalWrite(i3, LOW);
    digitalWrite(i4, LOW);
  }
}

#include <ESP8266WiFi.h>

#define STASSID  "your SSID"
#define STAPSK   "your Password"

const char* ssid      = STASSID;
const char* password  = STAPSK;

WiFiServer wifiServer(1234);

void setup() {
  Serial.begin(115200);
  delay(1000);
  WiFi.begin(ssid, password);
  WiFi.mode(WIFI_STA);
  while(WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi");
  }
  Serial.println("Connected");
  Serial.print("Local IP Address : ");
  Serial.println(WiFi.localIP());
  wifiServer.begin();
}
void loop() {
  WiFiClient client = wifiServer.available();

  if(client) {
    while(client.connected()) {
      while(client.available() > 0) {
        Serial.write(client.read());
      }
      delay(10);
    }
    client.stop();
    Serial.println("Client Disconnected");
  }
}

Credits

devansh_tangri

2 projects • 10 followers

I'm a 17 yo student, making Arduino Projects and Electrical Circuits is my favorite hobby. I have been making circuits for about 8 years.

Contact

Comments

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Keyboard Controlled Wi-Fi Bot/Spy Bot

Things used in this project

Hardware components

Software apps and online services

Hand tools and fabrication machines

Story

Important Notes

Steps to configure PuTTY

Schematics

Connection Diagram

Connection Diagram Fritzing File

Code

Arduino Code

ESP8266 Code

Credits

devansh_tangri

Comments

Embed the widget on your own site

Keyboard Controlled Wi-Fi Bot/Spy Bot

Keyboard Controlled Wi-Fi Bot/Spy Bot

Things used in this project

Hardware components

Software apps and online services

Hand tools and fabrication machines

Story

Important Notes

Steps to configure PuTTY

Schematics

Connection Diagram

Connection Diagram Fritzing File

Code

Arduino Code

ESP8266 Code

Credits

devansh_tangri

Comments

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