无法将NodeMCU与Firebase连接,因为控制台显示设置/编号失败:每次在firebase上也没有更新。
或者我应该更改云服务器?
#include <ESP8266WiFi.h>
#include <FirebaseArduino.h>
// Set these to run example.
#define FIREBASE_HOST "example.firebaseio.com"
#define FIREBASE_AUTH "token_or_secret"
#define WIFI_SSID "SSID"
#define WIFI_PASSWORD "PASSWORD"
void setup() {
Serial.begin(9600);
// connect to wifi.
WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
Serial.print("connecting");
while (WiFi.status() != WL_CONNECTED) {
Serial.print(".");
delay(500);
}
Serial.println();
Serial.print("connected: ");
Serial.println(WiFi.localIP());
Firebase.begin(FIREBASE_HOST, FIREBASE_AUTH);
}
int n = 0;
void loop() {
// set value
Firebase.setFloat("number", 42.0);
// handle error
if (Firebase.failed()) {
Serial.print("setting /number failed:");
Serial.println(Firebase.error());
return;
}
delay(1000);
}
Firebase Arduino库引用了Firebase SSL证书的指纹。此指纹可能与当前指纹不匹配。
这个指纹在FirebaseHttpClient.h
(通常在C:\Users\<User>\Documents\Arduino\libraries\firebase-arduino-<version>\src\FirebaseHttpClient.h
)。
要查找和更改当前指纹:
6F:D0:9A:52:C0:E9:E4:CD:A0:D3:02:A4:B7:A1:92:38:2D:CA:2F:26
C:\Users\<User>\Documents\Arduino\libraries\firebase-arduino-<version>\src\FirebaseHttpClient.h
的值(无冒号)例如以下指纹在这个时间点起作用:
kFirebaseFingerprint
见static const char kFirebaseFingerprint[] =
"6F D0 9A 52 C0 E9 E4 CD A0 D3 02 A4 B7 A1 92 38 2D CA 2F 26";