아두이노 esp32로 비트코인 실시간 출력 코드

#include <WiFi.h>

#include <HTTPClient.h>

#include <ArduinoJson.h>

const char* ssid = "Your_SSID";

const char* password = "Your_Password";

String url = "https://api.upbit.com/v1/ticker?markets=KRW-BTC";

void setup() {

    Serial.begin(115200);

    WiFi.begin(ssid, password);

    Serial.println("Connecting");

    while (WiFi.status() != WL_CONNECTED) {

        delay(500);

        Serial.print(".");

    }

    Serial.println("");

    Serial.print("Connected to WiFi network with IP Address: ");

    Serial.println(WiFi.localIP());

    delay(5000);

}

void loop() {

    if (WiFi.status() == WL_CONNECTED) {

        HTTPClient http;

        http.begin(url);

        int httpCode = http.GET();

        if (httpCode == 200) {

            String response = http.getString();

            Serial.println(response);

            DynamicJsonDocument doc(1024);

            deserializeJson(doc, response);

            double tradePrice = doc[0]["trade_price"].as<double>();

            String tradeDate = doc[0]["trade_date_kst"];

            String tradeTime = doc[0]["trade_time_kst"];

            Serial.println("날짜 : " + tradeDate);

            Serial.println("시간 : " + tradeTime);

            Serial.print("가격 : ");

            Serial.println(tradePrice);

 

} else {

    Serial.println("Error on HTTP request");

}

http.end();

} else {

    Serial.println("WiFi not connected");

}

delay(30000);

}

 

BITCOIN.ino

0.00MB

05.ESP32-1.pdf

9.74MB