vtol
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::vtol:: Hot Ninja

Multifunctional network device for autonomous activity in the city environment. Its main function is communication through Wi-Fi networks.

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::vtol:: Hot Ninja

Things used in this project

Story

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Schematics

basic idea

5 g6agqglzwe

Code

code for esp8266

Arduino
#include <FS.h>
#include <ESP8266WiFi.h>
#include <DNSServer.h>
#include <ESP8266WebServer.h>
#include <PString.h>
#include <Streaming.h>

const IPAddress apIp(192, 168, 0, 1);
DNSServer dnsServer;
ESP8266WebServer server(80);

struct PrintMac
{
  const uint8_t* mac;
};

Print&
operator<<(Print& p, const PrintMac& pmac)
{
  const uint8_t* mac = pmac.mac;
  for (int i = 0; i < 6; ++i) {
    if (i > 0) {
      p << ':';
    }
    int b = mac[i];
    if (b < 0x10) {
      p << '0';
    }
    p << _HEX(b);
  }
  return p;
}

File logfile; //create log files 
File logfile1;
char logbuf[256];
PString logline(logbuf, sizeof(logbuf));
PString logline1(logbuf, sizeof(logbuf));
void
appendLog()
{
  Serial << millis() << ' ' << logline << '\n';
  logfile << millis() << ' ' << logline << '\n';
  logline.begin();
}

void
appendLog1()
{
  Serial << millis() << ' ' << logline1 << '\n';
  logfile1 << millis() << ' ' << logline1 << '\n';
  logline1.begin();
}

void
wifiStaConnect(const WiFiEventSoftAPModeStationConnected& evt) //start collecting log data
{
  logline << PrintMac{evt.mac} << " assoc";
  appendLog();
}
WiFiEventHandler wifiStaConnectHandler;

void
wifiStaDisconnect(const WiFiEventSoftAPModeStationDisconnected& evt)
{
  logline << PrintMac{evt.mac} << " deassoc";
  appendLog();
}
WiFiEventHandler wifiStaDisconnectHandler;

void
httpDefault()
{
  logline << server.client().remoteIP() << " redirect";
  appendLog();
  server.sendHeader("Location", "http://freewifi.lan/", true);
  server.send(302, "text/plain", "");
  server.client().stop();
}

void
httpHome()
{
  if (server.hostHeader() != String("freewifi.lan")) {
    return httpDefault();
  }

  logline << server.client().remoteIP() << " home";
  appendLog();
  File file = SPIFFS.open("/index.htm.gz", "r");
  server.streamFile(file, "text/html");
  file.close();
}

void
httpConnect()
{
  logline << server.client().remoteIP() << " /// message: " << server.arg("email"); //if message is send then it's redirected to log2.txt
  appendLog1();
  File file = SPIFFS.open("/connect.htm.gz", "r");
  server.streamFile(file, "text/html");
  file.close();
}

void
httpPureCss()
{
  File file = SPIFFS.open("/pure.css.gz", "r");
  server.streamFile(file, "text/css");
  file.close();
}

void
httpLog()
{
  logline << server.client().remoteIP() << " log";
  appendLog();
  logfile.seek(0, SeekSet);
  server.streamFile(logfile, "text/plain; charset=UTF-8"); 
  logfile.seek(0, SeekEnd);
}



void
httpLog1() //message goes to log2.txt file
{

  appendLog1();
  logfile1.seek(0, SeekSet);
  server.streamFile(logfile1, "text/plain; charset=UTF-8"); //set UTF-8 for both latin and cyrilic charters of messages 
  logfile1.seek(0, SeekEnd);
}

void
setup()
{
  Serial.begin(115200);
  Serial.println();

  SPIFFS.begin();
  logfile = SPIFFS.open("/log.txt", "a+");
  logfile1 = SPIFFS.open("/log1.txt", "a+"); //SPIFFS memory files

  WiFi.persistent(false);
  WiFi.disconnect(true);
  wifiStaConnectHandler = WiFi.onSoftAPModeStationConnected(wifiStaConnect);
  wifiStaDisconnectHandler = WiFi.onSoftAPModeStationDisconnected(wifiStaDisconnect);
  WiFi.mode(WIFI_AP);
  WiFi.softAPConfig(apIp, apIp, IPAddress(255, 255, 255, 0));
  WiFi.softAP("MT_FREE", nullptr, 1); //const network name wich will be changed after recieving data from serial input 

  dnsServer.setErrorReplyCode(DNSReplyCode::NoError);
  dnsServer.start(53, "*", apIp);

  server.on("/", httpHome);
  server.on("/connect", httpConnect);
  server.on("/pure.css", httpPureCss);
  server.on("/log.txt", httpLog); //main log file
  server.on("/log1.txt", httpLog1); //messages file 
  server.onNotFound(httpDefault);
  server.begin();

  Serial << "ready" << endl;

}

void
loop()
{
  dnsServer.processNextRequest();
  server.handleClient();

  if (Serial.available() > 0) {
    String text = Serial.readString(); //read incomming string to rename the softAP (network name)
    char copy[50];
    text.toCharArray(copy, 50);
    WiFiUDP Udp;
    char packetBuffer[255];
    unsigned int localPort = 9999;
    Serial.begin(115200);
    WiFi.softAP(copy);
    Udp.begin(localPort);

  }
}

code for arduino mega

Arduino
#include <iarduino_OLED_txt.h>     //oled lib. could be any related to your OLED                  
iarduino_OLED_txt myOLED(0x78);    //oled lib. could be any related to your OLED
extern uint8_t SmallFontRus[];     // if you need cyrilic
String stringOne, stringTwo, stringThree, stringFour; // strings for messages, don't remember if I use all of them or just 2
char packetBuffer[255];
#include <SoftwareSerial.h> //soft serial to connect MEGA with esp2866
SoftwareSerial mySerial(50, 51); //soft serial to pins
unsigned int lastStringLength = stringThree.length(); //counting string length to cut it of needed

const int buttonPin2 = 2; // keyboard buttons pins:
const int buttonPin3 = 3;
const int buttonPin4 = 4;
const int buttonPin5 = 5;
const int buttonPin6 = 6;
const int buttonPin7 = 7;
const int buttonPin8 = 8;
const int buttonPin9 = 9;
const int buttonPin10 = 10;
const int buttonPin11 = 11;
const int buttonPin12 = 12;
const int buttonPin13 = 13;
const int buttonPin14 = 14;
const int buttonPin15 = 15;
const int buttonPin16 = 16;
const int buttonPin17 = 17;
const int buttonPin18 = 18;
const int buttonPin19 = 19;
const int buttonPin20 = 45;
const int buttonPin21 = 46;
const int buttonPin22 = 22;
const int buttonPin23 = 23;
const int buttonPin24 = 24;
const int buttonPin25 = 25;
const int buttonPin26 = 26;
const int buttonPin27 = 27;
const int buttonPin28 = 28;
const int buttonPin29 = 29;
const int buttonPin30 = 30;
const int buttonPin31 = 31;
const int buttonPin32 = 32;
const int buttonPin33 = 33;
const int buttonPin34 = 34;
const int buttonPin35 = 35;
const int buttonPin36 = 36;
const int buttonPin37 = 37;
const int buttonPin38 = 38;
const int buttonPin39 = 39;
const int buttonPin40 = 40;
const int buttonPin41 = 41;
const int buttonPin42 = 42;
const int buttonPin43 = 43;
const int buttonPin44 = 44;
const int buttonPin52 = 52; //not liniar as you seen, I don't remember why, maybe because it was more easy to solder it like this.
const int buttonPin53 = 53;

int val; // variable used for debugging and detecting buttons presses in serial monitor (not softserial), not really needed but could be usefull if you have your own setup of buttons

int buttonState2 = 0;
int buttonState3 = 0;
int buttonState4 = 0;
int buttonState5 = 0;
int buttonState6 = 0;
int buttonState7 = 0;
int buttonState8 = 0;
int buttonState9 = 0;
int buttonState10 = 0;
int buttonState11 = 0;
int buttonState12 = 0;
int buttonState13 = 0;
int buttonState14 = 0;
int buttonState15 = 0;
int buttonState16 = 0;
int buttonState17 = 0;
int buttonState18 = 0;
int buttonState19 = 0;
int buttonState20 = 0;
int buttonState21 = 0;
int buttonState22 = 0;
int buttonState23 = 0;
int buttonState24 = 0;
int buttonState25 = 0;
int buttonState26 = 0;
int buttonState27 = 0;
int buttonState28 = 0;
int buttonState29 = 0;
int buttonState30 = 0;
int buttonState31 = 0;
int buttonState32 = 0;
int buttonState33 = 0;
int buttonState34 = 0;
int buttonState35 = 0;
int buttonState36 = 0;
int buttonState37 = 0;
int buttonState38 = 0;
int buttonState39 = 0;
int buttonState40 = 0;
int buttonState41 = 0;
int buttonState42 = 0;
int buttonState43 = 0;
int buttonState44 = 0;
int buttonState52 = 0;
int buttonState53 = 0;

void setup() {


  myOLED.begin();
  myOLED.setFont(SmallFontRus);

  Serial.begin(115200);
  mySerial.begin(115200);

  pinMode(buttonPin2, INPUT);
  pinMode(buttonPin3, INPUT);
  pinMode(buttonPin4, INPUT);
  pinMode(buttonPin5, INPUT);
  pinMode(buttonPin6, INPUT);
  pinMode(buttonPin7, INPUT);
  pinMode(buttonPin8, INPUT);
  pinMode(buttonPin9, INPUT);
  pinMode(buttonPin10, INPUT);
  pinMode(buttonPin11, INPUT);
  pinMode(buttonPin12, INPUT);
  pinMode(buttonPin13, INPUT);
  pinMode(buttonPin14, INPUT);
  pinMode(buttonPin15, INPUT);
  pinMode(buttonPin16, INPUT);
  pinMode(buttonPin17, INPUT);
  pinMode(buttonPin18, INPUT);
  pinMode(buttonPin19, INPUT);
  pinMode(buttonPin20, INPUT);
  pinMode(buttonPin21, INPUT);
  pinMode(buttonPin22, INPUT);
  pinMode(buttonPin23, INPUT);
  pinMode(buttonPin24, INPUT);
  pinMode(buttonPin25, INPUT);
  pinMode(buttonPin26, INPUT);
  pinMode(buttonPin27, INPUT);
  pinMode(buttonPin28, INPUT);
  pinMode(buttonPin29, INPUT);
  pinMode(buttonPin30, INPUT);
  pinMode(buttonPin31, INPUT);
  pinMode(buttonPin32, INPUT);
  pinMode(buttonPin33, INPUT);
  pinMode(buttonPin34, INPUT);
  pinMode(buttonPin35, INPUT);
  pinMode(buttonPin36, INPUT);
  pinMode(buttonPin37, INPUT);
  pinMode(buttonPin38, INPUT);
  pinMode(buttonPin39, INPUT);
  pinMode(buttonPin40, INPUT);
  pinMode(buttonPin41, INPUT);
  pinMode(buttonPin42, INPUT);
  pinMode(buttonPin43, INPUT);
  pinMode(buttonPin44, INPUT);
  pinMode(buttonPin52, INPUT);
  pinMode(buttonPin53, INPUT);

  digitalWrite(2, HIGH); //pull-up pins, so you don't need any resistors (much less soldering).
  digitalWrite(3, HIGH);
  digitalWrite(4, HIGH);
  digitalWrite(5, HIGH);
  digitalWrite(6, HIGH);
  digitalWrite(7, HIGH);
  digitalWrite(8, HIGH);
  digitalWrite(9, HIGH);
  digitalWrite(10, HIGH);
  digitalWrite(11, HIGH);
  digitalWrite(12, HIGH);
  digitalWrite(13, HIGH);
  digitalWrite(14, HIGH);
  digitalWrite(15, HIGH);
  digitalWrite(16, HIGH);
  digitalWrite(17, HIGH);
  digitalWrite(18, HIGH);
  digitalWrite(19, HIGH);
  digitalWrite(45, HIGH);
  digitalWrite(46, HIGH);
  digitalWrite(22, HIGH);
  digitalWrite(23, HIGH);
  digitalWrite(24, HIGH);
  digitalWrite(25, HIGH);
  digitalWrite(26, HIGH);
  digitalWrite(27, HIGH);
  digitalWrite(28, HIGH);
  digitalWrite(29, HIGH);
  digitalWrite(30, HIGH);
  digitalWrite(31, HIGH);
  digitalWrite(32, HIGH);
  digitalWrite(33, HIGH);
  digitalWrite(34, HIGH);
  digitalWrite(35, HIGH);
  digitalWrite(36, HIGH);
  digitalWrite(37, HIGH);
  digitalWrite(38, HIGH);
  digitalWrite(39, HIGH);
  digitalWrite(40, HIGH);
  digitalWrite(41, HIGH);
  digitalWrite(42, HIGH);
  digitalWrite(43, HIGH);
  digitalWrite(44, HIGH);
  digitalWrite(52, HIGH);
  digitalWrite(53, HIGH);
}



void loop() {

  buttonState2 = digitalRead(buttonPin2);
  buttonState3 = digitalRead(buttonPin3);
  buttonState4 = digitalRead(buttonPin4);
  buttonState5 = digitalRead(buttonPin5);
  buttonState6 = digitalRead(buttonPin6);
  buttonState7 = digitalRead(buttonPin7);
  buttonState8 = digitalRead(buttonPin8);
  buttonState9 = digitalRead(buttonPin9);
  buttonState10 = digitalRead(buttonPin10);
  buttonState11 = digitalRead(buttonPin11);
  buttonState12 = digitalRead(buttonPin12);
  buttonState13 = digitalRead(buttonPin13);
  buttonState14 = digitalRead(buttonPin14);
  buttonState15 = digitalRead(buttonPin15);
  buttonState16 = digitalRead(buttonPin16);
  buttonState17 = digitalRead(buttonPin17);
  buttonState18 = digitalRead(buttonPin18);
  buttonState19 = digitalRead(buttonPin19);
  buttonState20 = digitalRead(buttonPin20);
  buttonState21 = digitalRead(buttonPin21);
  buttonState22 = digitalRead(buttonPin22);
  buttonState23 = digitalRead(buttonPin23);
  buttonState24 = digitalRead(buttonPin24);
  buttonState25 = digitalRead(buttonPin25);
  buttonState26 = digitalRead(buttonPin26);
  buttonState27 = digitalRead(buttonPin27);
  buttonState28 = digitalRead(buttonPin28);
  buttonState29 = digitalRead(buttonPin29);
  buttonState30 = digitalRead(buttonPin30);
  buttonState31 = digitalRead(buttonPin31);
  buttonState32 = digitalRead(buttonPin32);
  buttonState33 = digitalRead(buttonPin33);
  buttonState34 = digitalRead(buttonPin34);
  buttonState35 = digitalRead(buttonPin35);
  buttonState36 = digitalRead(buttonPin36);
  buttonState37 = digitalRead(buttonPin37);
  buttonState38 = digitalRead(buttonPin38);
  buttonState39 = digitalRead(buttonPin39);
  buttonState40 = digitalRead(buttonPin40);
  buttonState41 = digitalRead(buttonPin41);
  buttonState42 = digitalRead(buttonPin42);
  buttonState43 = digitalRead(buttonPin43);
  buttonState44 = digitalRead(buttonPin44);
  buttonState52 = digitalRead(buttonPin52);
  buttonState53 = digitalRead(buttonPin53);

  /////////////////// eng charters

  if (buttonState53 == LOW) {     //switcher that is choosing the language is in "ENG" position, from now all the charters will be latin.
    myOLED.print("ENG", OLED_R, 3);

    if (buttonState2 == LOW) {
      stringOne = " "; //add "space" to string
      stringTwo = stringThree + stringOne;
      delay (1);
      stringThree = stringTwo;
      val = 2;
      Serial.println(val);
      delay (151); //delay to make it singleshot
    }

    if (buttonState3 == LOW) {     //ENTER that sends string to the esp2866
      char copy[50];
      stringThree.toCharArray(copy, 32);
      val = 3;
      Serial.println(val);
      mySerial.println(copy);
      myOLED.print("send", OLED_R, 7);
      delay (1000);
      myOLED.print("        ", OLED_R, 7);
    }


    if (buttonState4 == LOW) {     //delet last charter from the string
      stringThree = stringThree.substring(0, stringThree.length() - 1);
      val = 4;
      Serial.println(val);
      delay (50);
      myOLED.print("                                                ", 0, 5); //clean lines on OLED
      myOLED.print("                                                ", 0, 6); //clean lines on OLED
    }

    if (buttonState5 == HIGH) {     //shift key is not pressed, all charters are small
      myOLED.print("        ", 0, 7); //clean the line where the "shift" should be writen


      if (buttonState6 == LOW) {
        stringOne = "1";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 6;
        Serial.println(val);
        delay (151);
      }

      if (buttonState7 == LOW) {

        stringOne = "2";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 7;
        Serial.println(val);
        delay (151);

      }

      if (buttonState8 == LOW) {
        stringOne = "3";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 8;
        Serial.println(val);
        delay (151);

      }

      if (buttonState9 == LOW) {
        stringOne = "4";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 9;
        Serial.println(val);
        delay (151);

      }

      if (buttonState10 == LOW) {
        stringOne = "5";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 10;
        Serial.println(val);
        delay (151);
      }

      if (buttonState11 == LOW) {
        stringOne = "6";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 12;
        val = 11;
        Serial.println(val);
        delay (151);

      }

      if (buttonState12 == LOW) {
        stringOne = "7";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 12;
        Serial.println(val);
        delay (151);

      }

      if (buttonState13 == LOW) {
        stringOne = "8";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 13;
        Serial.println(val);
        delay (151);

      }

      if (buttonState14 == LOW) {
        stringOne = "9";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 14;
        Serial.println(val);
        delay (151);
      }

      if (buttonState15 == LOW) {
        stringOne = "0";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 15;
        Serial.println(val);
        delay (151);

      }

      if (buttonState16 == LOW) {
        stringOne = "-";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 16;
        Serial.println(val);
        delay (151);

      }

      if (buttonState17 == LOW) {
        stringOne = "q";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 17;
        Serial.println(val);
        delay (151);

      }


      if (buttonState18 == LOW) {
        stringOne = "w";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 18;
        Serial.println(val);
        delay (151);
      }

      if (buttonState19 == LOW) {
        stringOne = "e";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 19;
        Serial.println(val);
        delay (151);

      }

      if (buttonState20 == LOW) {
        stringOne = "r";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 20;
        Serial.println(val);
        delay (151);

      }

      if (buttonState21 == LOW) {
        stringOne = "t";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 21;
        Serial.println(val);
        delay (151);

      }

      if (buttonState22 == LOW) {
        stringOne = "y";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 22;
        Serial.println(val);
        delay (151);
      }



      if (buttonState23 == LOW) {
        stringOne = "u";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 23;
        Serial.println(val);
        delay (151);

      }

      if (buttonState24 == LOW) {
        stringOne = "i";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 24;
        Serial.println(val);
        delay (151);

      }

      if (buttonState25 == LOW) {
        stringOne = "o";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 25;
        Serial.println(val);
        delay (151);
      }

      if (buttonState26 == LOW) {
        stringOne = "p";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 26;
        Serial.println(val);
        delay (151);

      }

      if (buttonState27 == LOW) {
        stringOne = "a";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 27;
        Serial.println(val);
        delay (151);
      }

      if (buttonState28 == LOW) {
        stringOne = "s";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 28;
        Serial.println(val);
        delay (151);

      }

      if (buttonState29 == LOW) {
        stringOne = "d";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 29;
        Serial.println(val);
        delay (151);

      }

      if (buttonState30 == LOW) {
        stringOne = "f";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 30;
        Serial.println(val);
        delay (151);

      }


      if (buttonState31 == LOW) {
        stringOne = "g";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 31;
        Serial.println(val);
        delay (151);
      }

      if (buttonState32 == LOW) {
        stringOne = "h";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 32;
        Serial.println(val);
        delay (151);

      }

      if (buttonState33 == LOW) {
        stringOne = "j";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 33;
        Serial.println(val);
        delay (151);

      }

      if (buttonState34 == LOW) {
        stringOne = "k";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 34;
        Serial.println(val);
        delay (151);
      }

      if (buttonState35 == LOW) {
        stringOne = "l";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 35;
        Serial.println(val);
        delay (151);

      }

      if (buttonState36 == LOW) {
        stringOne = "z";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 36;
        Serial.println(val);
        delay (151);
      }

      if (buttonState37 == LOW) {
        stringOne = "x";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 37;
        Serial.println(val);
        delay (151);

      }

      if (buttonState38 == LOW) {
        stringOne = "c";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 38;
        Serial.println(val);
        delay (151);

      }

      if (buttonState39 == LOW) {
        stringOne = "v";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 39;
        Serial.println(val);
        delay (151);

      }


      if (buttonState40 == LOW) {
        stringOne = "b";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 40;
        Serial.println(val);
        delay (151);
      }



      if (buttonState41 == LOW) {
        stringOne = "n";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 41;
        Serial.println(val);
        delay (151);

      }

      if (buttonState42 == LOW) {
        stringOne = "m";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 42;
        Serial.println(val);
        delay (151);

      }

      if (buttonState43 == LOW) {
        stringOne = ",";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 43;
        Serial.println(val);
        delay (151);
      }

      if (buttonState44 == LOW) {
        stringOne = ".";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 44;
        Serial.println(val);
        delay (151);

      }
    }

    // "no shift" end

    if (buttonState5 == LOW) {     // with shift pressed:

      myOLED.print("shift", 0, 7);
      val = 5;
      Serial.println(val);
      delay (1);

      if (buttonState6 == LOW) {
        stringOne = "!";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 6;
        Serial.println(val);
        delay (151);
      }

      if (buttonState7 == LOW) {
        stringOne = "@";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 7;
        Serial.println(val);
        delay (151);

      }

      if (buttonState8 == LOW) {

        stringOne = "#";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 8;
        Serial.println(val);
        delay (151);

      }

      if (buttonState9 == LOW) {
        stringOne = "$";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 9;
        Serial.println(val);
        delay (151);

      }

      if (buttonState10 == LOW) {
        stringOne = "%";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 10;
        Serial.println(val);
        delay (151);
      }

      if (buttonState11 == LOW) {
        stringOne = "^";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 12;
        val = 11;
        Serial.println(val);
        delay (151);

      }

      if (buttonState12 == LOW) {
        stringOne = "&";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 12;
        Serial.println(val);
        delay (151);

      }

      if (buttonState13 == LOW) {
        stringOne = "*";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 13;
        Serial.println(val);
        delay (151);

      }

      if (buttonState14 == LOW) {
        stringOne = "(";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 14;
        Serial.println(val);
        delay (151);
      }

      if (buttonState15 == LOW) {
        stringOne = ")";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 15;
        Serial.println(val);
        delay (151);

      }

      if (buttonState16 == LOW) {
        stringOne = "_";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 16;
        Serial.println(val);
        delay (151);

      }

      if (buttonState17 == LOW) {
        stringOne = "Q";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 17;
        Serial.println(val);
        delay (151);

      }


      if (buttonState18 == LOW) {
        stringOne = "W";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 18;
        Serial.println(val);
        delay (151);
      }

      if (buttonState19 == LOW) {
        stringOne = "E";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 19;
        Serial.println(val);
        delay (151);

      }

      if (buttonState20 == LOW) {
        stringOne = "R";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 20;
        Serial.println(val);
        delay (151);

      }

      if (buttonState21 == LOW) {
        stringOne = "T";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 21;
        Serial.println(val);
        delay (151);

      }


      if (buttonState22 == LOW) {
        stringOne = "Y";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 22;
        Serial.println(val);
        delay (151);
      }



      if (buttonState23 == LOW) {
        stringOne = "U";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 23;
        Serial.println(val);
        delay (151);

      }

      if (buttonState24 == LOW) {
        stringOne = "I";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 24;
        Serial.println(val);
        delay (151);

      }

      if (buttonState25 == LOW) {
        stringOne = "O";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 25;
        Serial.println(val);
        delay (151);
      }

      if (buttonState26 == LOW) {
        stringOne = "P";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 26;
        Serial.println(val);
        delay (151);

      }


      if (buttonState27 == LOW) {
        stringOne = "A";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 27;
        Serial.println(val);
        delay (151);
      }

      if (buttonState28 == LOW) {
        stringOne = "S";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 28;
        Serial.println(val);
        delay (151);

      }

      if (buttonState29 == LOW) {
        stringOne = "D";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
        val = 29;
        Serial.println(val);
        delay (151);

      }

      if (buttonState30 == LOW) {
        stringOne = "F";
        stringTwo = stringThree + stringOne;
        delay (1);
        stringThree = stringTwo;
...

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Credits

vtol

vtol

1 project • 12 followers

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