doge.cc

// Be in Arduino

// Go to file -> preferences -> settings tab -> additional board manager URL
// Paste this: https://dl.espressif.com/dl/package_esp32_index.json,http://arduino.esp8266.com/stable/package_esp8266com_index.json

// Go to tools -> board -> board manager
// Find "esp32" and install it

// Copy https://github.com/Bodmer/TFT_eSPI into  C:\Users\you\Documents\Arduino\libraries

#include <TFT_eSPI.h>
#include <SPI.h>
#include <WiFi.h>
#include <HTTPClient.h>

const char *SSID = "YOUR WIFI SSID";
const char *WiFiPassword = "YOUR WIFI PASSWORD";

TFT_eSPI tft = TFT_eSPI();

uint32_t targetTime = 0;
String price;

void doTheThing () {
  if (WiFi.status() == WL_CONNECTED) {
    HTTPClient http;

    String serverPath = "https://api.cryptonator.com/api/ticker/doge-usd";
    http.begin(serverPath.c_str());
    int httpResponseCode = http.GET();

    if (httpResponseCode > 0) {
      Serial.print("HTTP Response code: ");
      Serial.println(httpResponseCode);
      String payload = http.getString();
      Serial.println(payload);

      price = payload.substring(49, 56);
      Serial.println(price);

      tft.setTextColor(0x39C4, TFT_BLACK);
      tft.drawString("888888", 0, 30, 7);
      tft.setTextColor(0xFBE0, TFT_BLACK);
      tft.drawString("DOGE", 0, 7, 4);
      tft.drawString(price, 0, 30, 7);
    }
    else {
      Serial.print("Error code: ");
      Serial.println(httpResponseCode);
    }

    http.end();
  }
}


void ConnectToWiFi()
{
  Serial.begin(115200);
  WiFi.mode(WIFI_STA);
  WiFi.begin(SSID, WiFiPassword);
  Serial.print("Connecting to ");
  Serial.println(SSID);
  uint8_t i = 0;
  while (WiFi.status() != WL_CONNECTED)
  {
    Serial.print('.');
    delay(500);

    if ((++i % 16) == 0)
    {
      Serial.println(F(" still trying to connect"));
    }
  }

  Serial.print(F("Connected. My IP address is: "));
  Serial.println(WiFi.localIP());
}

void setup(void) {
  tft.init();
  tft.setRotation(1);
  tft.fillScreen(TFT_BLACK);
  tft.setTextColor(TFT_YELLOW, TFT_BLACK);
  targetTime = millis() + 1000;
  ConnectToWiFi();
  doTheThing();
}

unsigned long lastTime = 0;
unsigned long timerDelay = 600000; // 10m

void loop() {
  if ((millis() - lastTime) > timerDelay) {
    doTheThing();
    lastTime = millis();
  }
}