#include <SPI.h>
#include <Adafruit_GFX.h>
#include <Adafruit_ILI9341.h>
#include <XPT2046_Touchscreen.h>
#include <WiFi.h>
#include <BlynkSimpleEsp32.h>
#define TFT_CS 15 // Chip select pin for ILI9341 display
#define TFT_RST 33 // Reset pin for ILI9341 display
#define TFT_DC 32 // Data/Command pin for ILI9341 display
#define TFT_MOSI 23 // MOSI pin for SPI communication
#define TFT_SCK 18 // SCK pin for SPI communication
#define BLYNK_AUTH "YourAuthToken"
#define WIFI_SSID "YourWiFiSSID"
#define WIFI_PASSWORD "YourWiFiPassword"
#define LED_PIN 2 // Example LED pin
#define MISO_PIN 4 // Example mist pin
#define SDA_PIN 21 // SDA pin for I2C communication
#define SCL_PIN 22 // SCL pin for I2C communication
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC, TFT_RST, TFT_MOSI, TFT_SCLK);
XPT2046_Touchscreen ts(TOUCH_CS, TOUCH_IRQ);
bool isAuthenticated = false;
void setup() {
Serial.begin(115200);
delay(100);
tft.begin();
ts.begin();
Blynk.begin(BLYNK_AUTH, WIFI_SSID, WIFI_PASSWORD);
pinMode(LED_PIN, OUTPUT);
pinMode(MIST_PIN, OUTPUT);
}
void loop() {
Blynk.run();
TS_Point p = ts.getPoint();
if (p.z > 100) {
int16_t x = map(p.x, 0, 4095, 0, tft.width());
int16_t y = map(p.y, 0, 4095, 0, tft.height());
if (x > 50 && x < 150 && y > 50 && y < 90) {
isAuthenticated = authenticateUser();
}
}
if (isAuthenticated) {
digitalWrite(LED_PIN, HIGH); // Turn on LED if authenticated
} else {
digitalWrite(LED_PIN, LOW); // Turn off LED if not authenticated
}
}
bool authenticateUser() {
// Your authentication logic here
// For example, you could check if a specific area of the screen was touched
// Or display a password input screen
// Return true if authentication successful, false otherwise
// Remember to adjust this logic based on your specific requirements
Blynk.notify("Please authenticate on Blynk app");
delay(5000); // Wait for 5 seconds for user confirmation
// Check if user confirmed authentication on Blynk app
if (Blynk.connected()) {
return true;
} else {
return false;
}
}