i need help i am trying to make a temperature sensor thing i am using a LM35 sensor and a nodemcu and i have this problem first the original code use the simpletimer library and i found in another forum that the simpletimer wont work with blynk so i change it to BlynkTimer and it show me a error
this error
sketch_feb18a:7:24: fatal error: BlynkTimer.h: No such file or directory
#include <BlynkTimer.h>
^
compilation terminated.
exit status 1
BlynkTimer.h: No such file or directory
This report would have more information with
"Show verbose output during compilation"
option enabled in File -> Preferences.
here is my code
#include <ESP8266WiFi.h>//Install these library
#include <BlynkSimpleEsp8266.h>
#include <BlynkTimer.h>
#define BLYNK_PRINT Serial
float vref = 3.3;
float resolution = vref / 1023.0;
float temperature;
char auth[] = "*QjxX";//yourauthtoken
char ssid[] = "helloworld";//name of your wifi
char pass[] = "helloworld";//password of wifi
BlynkTimer timer;
void setup()
{
Serial.begin(9600);
Blynk.begin(auth, ssid, pass);
timer.setInterval(2000, sendUptime);
}
void sendUptime()
{
float temperature = analogRead(
1. List item
A0);//lm35 is connected to pin A0 on NodeMcu
temperature = (temperature * resolution);
temperature = temperature * 100.0;
Serial.print("LM35 temperature: ");//serial print the value
Serial.println(temperature);
Blynk.virtualWrite(V0, temperature);//send the value to blynk application
}
void loop()
{
Blynk.run();
}
im sorry if it a simple fix im new to blynk