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rfid keyboard.ino
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rfid keyboard.ino
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//RFID
#include <SPI.h>
#include <MFRC522.h>
#define SS_PIN 20
#define RST_PIN 4
#define MOSI_PIN 22
#define MISO_PIN 23
#define SCK_PIN 21
MFRC522 mfrc522(SS_PIN, RST_PIN); // Create MFRC522 instance.
byte masterCard[4];
//OLED
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
#define OLED_RESET 4
Adafruit_SSD1306 display(OLED_RESET);
//OTHER
#include <Base64.h>
int ledPin = 6; //Teensy Onboard LED
//const int ledGreen = 14; //IRL Green LED
void setup()
{
//OLED
Serial.begin(9600);
display.begin(SSD1306_SWITCHCAPVCC, 0x3C); // initialize with the I2C addr 0x3C (for the 128x32)
delay(2000);
display.setTextColor(WHITE);
//RFID
Serial.begin(9600);
SPI.begin(); // Init SPI bus
mfrc522.PCD_Init(); // Init MFRC522
Serial.println("Teensy Device by BetterWayElectronics");
Serial.println();
//OTHER
pinMode(ledPin, OUTPUT);
}
void loop()
{
// Main Message
display.clearDisplay();
display.setCursor(0, 0);
display.println("Teensy Device");
display.setCursor(0, 10);
display.println("BetterWayElectronics");
display.display();
// display.startscrollright(0x00, 0x05);
// delay(4800);
// display.stopscroll();
// delay(1000);
// display.startscrollleft(0x00, 0x05);
// delay(4800);
// display.stopscroll();
// delay(1000);
//Other
//pinMode(ledGreen, OUTPUT); //Set IRL LED as Output (PWM)
// Look for new cards
if ( ! mfrc522.PICC_IsNewCardPresent())
{
return;
}
// Select one of the cards
if ( ! mfrc522.PICC_ReadCardSerial())
{
return;
}
//Show UID on serial monitor
Serial.print("UID tag :");
String content= "";
for (byte i = 0; i < mfrc522.uid.size; i++)
{
Serial.print(mfrc522.uid.uidByte[i] < 0x10 ? " 0" : " ");
Serial.print(mfrc522.uid.uidByte[i], HEX);
content.concat(String(mfrc522.uid.uidByte[i] < 0x10 ? " 0" : " "));
content.concat(String(mfrc522.uid.uidByte[i], HEX));
}
Serial.println();
Serial.print("Message : ");
content.toUpperCase();
if (content.substring(1) == "00 00 00 00") // RFID Card/Device UID
{
display.clearDisplay();
display.setCursor(0, 0);
display.println("Authorized Access:");
display.setCursor(0, 10);
display.println("Windows Login");
display.display();
Serial.println("Authorized Access: Windows Login");
Serial.println();
digitalWrite(ledPin, HIGH);
display.invertDisplay(true);
// Do It!
char inputString[] = "BASE64PASSWORD";
int inputStringLength = sizeof(inputString);
int decodedLength = Base64.decodedLength(inputString, inputStringLength);
char decodedString[decodedLength];
Base64.decode(decodedString, inputString, inputStringLength);
Keyboard.begin();
Keyboard.releaseAll();
delay(400);
Keyboard.write(decodedString);
Keyboard.press(KEY_RETURN);
Keyboard.releaseAll();
Keyboard.end();
// Pause & Clear Display
delay(2000);
display.clearDisplay();
digitalWrite(ledPin, LOW);
display.invertDisplay(false);
//
}
else if (content.substring(1) == "00 00 00 00") // RFID Card/Device UID
{
display.clearDisplay();
display.setCursor(0, 0);
display.println("Authorized Access:");
display.setCursor(0, 10);
display.println("Windows Login");
display.display();
Serial.println("Authorized Access: Windows Login");
Serial.println();
digitalWrite(ledPin, HIGH);
display.invertDisplay(true);
// Do It!
char inputString[] = "BASE64PASSWORD";
int inputStringLength = sizeof(inputString);
int decodedLength = Base64.decodedLength(inputString, inputStringLength);
char decodedString[decodedLength];
Base64.decode(decodedString, inputString, inputStringLength);
Keyboard.begin();
Keyboard.releaseAll();
delay(400);
Keyboard.write(decodedString);
Keyboard.press(KEY_RETURN);
Keyboard.releaseAll();
Keyboard.end();
// Pause & Clear Display
delay(2000);
display.clearDisplay();
digitalWrite(ledPin, LOW);
display.invertDisplay(false);
//
}
else if (content.substring(1) == "00 00 00 00") // RFID Card/Device UID
{
display.clearDisplay();
display.setCursor(0, 0);
display.println("Authorized Access:");
display.setCursor(0, 10);
display.println("Windows Login");
display.display();
Serial.println("Authorized Access: Windows Login");
Serial.println();
digitalWrite(ledPin, HIGH);
display.invertDisplay(true);
// Do It!
char inputString[] = "BASE64PASSWORD";
int inputStringLength = sizeof(inputString);
int decodedLength = Base64.decodedLength(inputString, inputStringLength);
char decodedString[decodedLength];
Base64.decode(decodedString, inputString, inputStringLength);
Keyboard.begin();
Keyboard.releaseAll();
delay(400);
Keyboard.write(decodedString);
Keyboard.press(KEY_RETURN);
Keyboard.releaseAll();
Keyboard.end();
// Pause & Clear Display
delay(2000);
display.clearDisplay();
digitalWrite(ledPin, LOW);
display.invertDisplay(false);
//
}
else if (content.substring(1) == "00 00 00 00") // RFID Card/Device UID
{
display.clearDisplay();
display.setCursor(0, 0);
display.println("Authorized Access:");
display.setCursor(0, 10);
display.println("Windows Login");
display.display();
Serial.println("Authorized Access: Windows Login");
Serial.println();
digitalWrite(ledPin, HIGH);
display.invertDisplay(true);
// Do It!
char inputString[] = "BASE64PASSWORD";
int inputStringLength = sizeof(inputString);
int decodedLength = Base64.decodedLength(inputString, inputStringLength);
char decodedString[decodedLength];
Base64.decode(decodedString, inputString, inputStringLength);
Keyboard.begin();
Keyboard.releaseAll();
delay(400);
Keyboard.write(decodedString);
Keyboard.press(KEY_RETURN);
Keyboard.releaseAll();
Keyboard.end();
// Pause & Clear Display
delay(2000);
display.clearDisplay();
digitalWrite(ledPin, LOW);
display.invertDisplay(false);
//
}
else {
Keyboard.begin();
Keyboard.releaseAll();
delay(400);
Keyboard.press(KEY_RIGHT_GUI);
delay(400);
Keyboard.press('r');
delay(400);
Keyboard.write("shutdown -r -t 1 -c 'yikes'");
delay(400);
Keyboard.press(KEY_RETURN);
delay(400);
Keyboard.press(KEY_RIGHT_GUI);
delay(400);
Keyboard.press('l');
delay(400);
Keyboard.releaseAll();
Keyboard.end();
fail();
}
}
void fail() {
display.clearDisplay();
display.setCursor(45, 5);
display.println("ACCESS");
display.setCursor(45, 15);
display.println("DENIED!");
display.display();
Serial.println(" Access Denied!");
digitalWrite(ledPin, HIGH);
display.invertDisplay(true);
delay(400);
digitalWrite(ledPin, LOW);
display.invertDisplay(false);
delay(400);
digitalWrite(ledPin, HIGH);
display.invertDisplay(true);
delay(400);
digitalWrite(ledPin, LOW);
display.invertDisplay(false);
delay(400);
digitalWrite(ledPin, HIGH);
display.invertDisplay(true);
delay(400);
digitalWrite(ledPin, LOW);
display.invertDisplay(false);
delay(400);
fail();
}