无法将 NodeMCU 与 Firebase 连接,因为控制台显示设置/编号失败:每次 [英] Unable to connect NodeMCU with Firebase as console shows setting /number failed: each time
问题描述
无法将 NodeMCU 与 Firebase 连接,因为控制台显示设置/number 失败:每次Firebase 也没有更新.
Unable to connect NodeMCU with Firebase as console shows setting /number failed: each time No updation on firebase as well.
还是我应该更换云服务器?
or should I change the cloud server?
#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);
}
推荐答案
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.
The Firebase Arduino library has a reference to a fingerprint of the Firebase SSL certificate. This fingerprint may not match the current fingerprint.
此指纹位于 FirebaseHttpClient.h
(通常位于 C:\Users\
).
This fingerprint is in FirebaseHttpClient.h
(typically in C:\Users\<User>\Documents\Arduino\libraries\firebase-arduino-<version>\src\FirebaseHttpClient.h
).
查找和更改当前指纹:
- 转到 https://www.grc.com/fingerprints.htm莉>
- 输入test.firebaseio.com"
- 记录指纹(例如,当前为
03:9E:4F:E6:83:FC:40:EF:FC:B2:C5:EF:36:0E:7C:3C:42:20:1B:8F
- 打开
C:\Users\
\Documents\Arduino\libraries\firebase-arduino- \src\FirebaseHttpClient.h - 用指纹(不带冒号)替换
kFirebaseFingerprint
的值 - 重新编译
例如以下指纹此时有效:
e.g. the following fingerprint works at this point of time:
static const char kFirebaseFingerprint[] =
"03 9E 4F E6 83 FC 40 EF FC B2 C5 EF 36 0E 7C 3C 42 20 1B 8F";
参见 https://github.com/FirebaseExtended/firebase-arduino/issues/328
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