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.

Sep 9, 2021

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1593 views

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3 respects

cars

remote control

robots

Components and supplies

SparkFun Breadboard Power Supply 5V/3.3V

Arduino UNO

Jumper wires (generic)

Dual H-Bridge motor drivers L298

DC motor (generic)

ESP8266 ESP-01

Tools and machines

Hot glue gun (generic)

Soldering iron (generic)

Apps and platforms

Arduino IDE

PuTTY

Project description

Code

Arduino Code

arduino

1const int i1 = 2;
2const int i2 = 3;
3const int i3 = 4;
4const int   i4 = 5;
5int i;
6void setup() {
7  Serial.begin(115200);
8  pinMode(i1,   OUTPUT);
9  pinMode(i2, OUTPUT);
10  pinMode(i3, OUTPUT);
11  pinMode(i4, OUTPUT);
12}
13
14void   loop() {
15  if(Serial.available()) {
16    i = Serial.read();
17    Serial.println(i);
18
19     if(i == 115) {
20      digitalWrite(i1, HIGH);
21      digitalWrite(i2, LOW);
22       digitalWrite(i3, LOW);
23      digitalWrite(i4, HIGH); 
24    }
25    else   if(i == 119) {
26      digitalWrite(i1, LOW);
27      digitalWrite(i2, HIGH);
28       digitalWrite(i3, HIGH);
29      digitalWrite(i4, LOW);      
30    }
31     else if(i == 97) {
32      digitalWrite(i1, HIGH);
33      digitalWrite(i2,   LOW);
34      digitalWrite(i3, HIGH);
35      digitalWrite(i4, LOW);
36    }
37     else if(i == 100) {
38      digitalWrite(i1, LOW);
39      digitalWrite(i2,   HIGH);
40      digitalWrite(i3, LOW);
41      digitalWrite(i4, HIGH);
42    }
43   }
44  else {
45    delay(600);
46    i = 0;
47    digitalWrite(i1, LOW);
48     digitalWrite(i2, LOW);
49    digitalWrite(i3, LOW);
50    digitalWrite(i4,   LOW);
51  }
52}

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);
  }
}

ESP8266 Code

arduino

1#include <ESP8266WiFi.h>
2
3#define STASSID  "your SSID"
4#define  STAPSK   "your Password"
5
6const char* ssid      = STASSID;
7const char*  password  = STAPSK;
8
9WiFiServer wifiServer(1234);
10
11void setup() {
12  Serial.begin(115200);
13  delay(1000);
14  WiFi.begin(ssid, password);
15  WiFi.mode(WIFI_STA);
16  while(WiFi.status() != WL_CONNECTED) {
17    delay(1000);
18    Serial.println("Connecting  to WiFi");
19  }
20  Serial.println("Connected");
21  Serial.print("Local  IP Address : ");
22  Serial.println(WiFi.localIP());
23  wifiServer.begin();
24}
25void  loop() {
26  WiFiClient client = wifiServer.available();
27
28  if(client) {
29    while(client.connected()) {
30      while(client.available() > 0) {
31        Serial.write(client.read());
32      }
33      delay(10);
34    }
35    client.stop();
36    Serial.println("Client  Disconnected");
37  }
38}

#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");
  }
}

Arduino Code

arduino

1const int i1 = 2;
2const int i2 = 3;
3const int i3 = 4;
4const int  i4 = 5;
5int i;
6void setup() {
7  Serial.begin(115200);
8  pinMode(i1,  OUTPUT);
9  pinMode(i2, OUTPUT);
10  pinMode(i3, OUTPUT);
11  pinMode(i4, OUTPUT);
12}
13
14void  loop() {
15  if(Serial.available()) {
16    i = Serial.read();
17    Serial.println(i);
18
19    if(i == 115) {
20      digitalWrite(i1, HIGH);
21      digitalWrite(i2, LOW);
22      digitalWrite(i3, LOW);
23      digitalWrite(i4, HIGH); 
24    }
25    else  if(i == 119) {
26      digitalWrite(i1, LOW);
27      digitalWrite(i2, HIGH);
28      digitalWrite(i3, HIGH);
29      digitalWrite(i4, LOW);      
30    }
31    else if(i == 97) {
32      digitalWrite(i1, HIGH);
33      digitalWrite(i2,  LOW);
34      digitalWrite(i3, HIGH);
35      digitalWrite(i4, LOW);
36    }
37    else if(i == 100) {
38      digitalWrite(i1, LOW);
39      digitalWrite(i2,  HIGH);
40      digitalWrite(i3, LOW);
41      digitalWrite(i4, HIGH);
42    }
43  }
44  else {
45    delay(600);
46    i = 0;
47    digitalWrite(i1, LOW);
48    digitalWrite(i2, LOW);
49    digitalWrite(i3, LOW);
50    digitalWrite(i4,  LOW);
51  }
52}

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);
  }
}

Downloadable files

Connection Diagram Fritzing File

Connection Diagram

Connection Diagram Fritzing File

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