制御の試し
参考資料１そのまま。
/*
* Relay Shield - Blink
* Turns on the relay for two seconds, then off for two seconds, repeatedly.
*
* Relay Shield transistor closes relay when D1 is HIGH
*/
const int relayPin = D1;
const long interval = 2000; // pause for two seconds
void setup() {
pinMode(relayPin, OUTPUT);
}
void loop() {
digitalWrite(relayPin, HIGH); // turn on relay with voltage HIGH
delay(interval); // pause
digitalWrite(relayPin, LOW); // turn off relay with voltage LOW
delay(interval); // pause
}
firebaseから制御
FAN_Onエントリーをみて、リレーを制御。
#include "Firebase_ESP_Client.h"
#include <ESP8266WiFi.h>
#define relayPin D1
#define FIREBASE_HOST "test2-＊＊＊.firebaseio.com" // Enter the Firebase Database URL Without Https and backslash
#define API_KEY "AIzaSyDfl-s-7-＊＊＊＊＊＊＊＊＊＊"
FirebaseData fbdo;
FirebaseAuth auth;
FirebaseConfig config;
FirebaseJson json;
#define WIFI_SSID "SSID003" // Change the name of your WIFI
#define WIFI_PASSWORD "12345" // Change the password of your WIFI
#define USER_EMAIL "xxx@yyy.net"
#define USER_PASSWORD "12345"
void setup() {
pinMode(relayPin, OUTPUT);
Serial.begin(115200);
Serial.println("Relay for FAN Test");
WiFi.begin (WIFI_SSID, WIFI_PASSWORD);
while (WiFi.status() != WL_CONNECTED)
{
delay(500);
Serial.print(".");
}
Serial.println ("");
Serial.println ("WiFi Connected!");
/* Assign the project host and api key (required) */
config.host = FIREBASE_HOST;
config.api_key = API_KEY;
/* Assign the user sign in credentials */
auth.user.email = USER_EMAIL;
auth.user.password = USER_PASSWORD;
Firebase.begin(&config, &auth);
Firebase.reconnectWiFi(true);
}
void loop() {
String target;
// if (Firebase.RTDB.getBool(&fbdo, "Thermostat/FAN_On")) {
// target = fbdo.boolData();
if (Firebase.RTDB.getString(&fbdo, "Thermostat/FAN_On")) {
target = fbdo.stringData();
Serial.println(target);
Serial.println(fbdo.dataType());
digitalWrite(relayPin, target.equals("true"));
}
else
{
Serial.println("FAILED");
Serial.println("REASON: " + fbdo.errorReason());
Serial.println("------------------------------------");
Serial.println();
}
delay(500);
}
