北海道オホーツクのメロンや米等を栽培している農家です。

/*
  DS18B20センサーの値をDiscordおよびAmbientにWebHookを使用して送信します。
  OneWire、DallasTemperature、Ambientライブラリが必要です。
*/

#include <OneWire.h>
#include <DallasTemperature.h>
#include <Discord_WebHook.h>
#include <Ambient.h>
#include <WiFiClient.h>
#include <esp_sleep.h>

Discord_Webhook discord;
Ambient ambient;
WiFiClient client;

  // デバイス個体ごとのID設定
  const char* kotaiID = "1";

// How to get the Webhook URL
// https://support.discord.com/hc/en-us/articles/228383668-Intro-to-Webhooks
String DISCORD_WEBHOOK = "https://discord.com/api/webhooks/id/token";

// Define the pin to control power to the DS18B20 sensor
const int SENSOR_POWER_PIN = 3;
// Define the OneWire pin
const int ONE_WIRE_PIN = 4;

OneWire oneWire(ONE_WIRE_PIN);
DallasTemperature sensors(&oneWire);

// Ambient settings
const char* userKey = "ユーザーキー";
char devKey[20];
unsigned int channelId;
char writeKey[20];

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

  uint8_t mac[6];
  esp_read_mac(mac, ESP_MAC_WIFI_STA);  // Wi-FiのMACアドレスを取得する
  sprintf(devKey, "%02X:%02X:%02X:%02X:%02X:%02X", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
  Serial.println(devKey);

  // Set the power pin as output and turn off the sensor initially
  pinMode(SENSOR_POWER_PIN, OUTPUT);
  digitalWrite(SENSOR_POWER_PIN, LOW);

  discord.begin(DISCORD_WEBHOOK); // Initialize the Discord_Webhook object
  discord.addWiFi("SSID", "PASSWORD"); // Add WiFi credentials (you can add multiple WiFi SSIDs)
  discord.connectWiFi(); // Connect to WiFi

  if (ambient.getchannel(userKey, devKey, channelId, writeKey, sizeof(writeKey), &client) == false) {
    Serial.printf("Cannot get channelId. Please set DeviceKey (%s) to Ambient.\r\n", devKey);
    while (true) {
      delay(0);
    }
  }
  Serial.printf("channelId: %d, writeKey: %s\r\n", channelId, writeKey);

  // Initialize Ambient
  ambient.begin(channelId, writeKey, &client);

  // Initialize the DS18B20 sensor
  sensors.begin();
}

void loop() {
  // Turn on the sensor
  digitalWrite(SENSOR_POWER_PIN, HIGH);
  delay(500); // Wait for the sensor to power up

  sensors.requestTemperatures(); // Request temperature readings
  delay(750);

  float temperature = sensors.getTempCByIndex(0); // Get temperature in Celsius

   Serial.println("");
   Serial.println("TEMP:" + String(temperature));
      delay(10);
  if (temperature != DEVICE_DISCONNECTED_C) {
    Serial.println("DS18B20 read success");

    // Send data to Discord if temperature is above 28°C or equals -127°C
    if (temperature > 28.0 || temperature == -127.0) {
      discord.send("Alert! Temp: " + String(temperature) + "°C detected." + " ID: " + String(kotaiID));
      }

    // Send data to Ambient
    ambient.set(1, temperature); // Set the first data field to the temperature value
    if (ambient.send()) {
      Serial.println("Ambient data sent successfully");
    } else {
      Serial.println("Failed to send data to Ambient");
    }
  } else {
    Serial.println("DS18B20 read failed");
    discord.send("Error: DS18B20 sensor read failed. Check sensor connection.");
  }

  // Turn off the sensor
  digitalWrite(SENSOR_POWER_PIN, LOW);

  // Enter deep sleep for 5 minutes
  esp_sleep_enable_timer_wakeup(5 * 60 * 1000000); // 5 minutes in microseconds
  esp_deep_sleep_start();
}