Here is my code - I have read for days but just cannot make a break through.
In addition I have a vibration sensor hooked up to D4, it reads 1 or 0. How do I activate the timer to push D4 to the app.
I have a delay in the loop but not sure if i should take it out.
An help is appreciated.
Download latest Blynk library here:
https://github.com/blynkkk/blynk-library/releases/latest
Blynk is a platform with iOS and Android apps to control
Arduino, Raspberry Pi and the likes over the Internet.
You can easily build graphic interfaces for all your
projects by simply dragging and dropping widgets.
Downloads, docs, tutorials: http://www.blynk.cc
Sketch generator: http://examples.blynk.cc
Blynk community: http://community.blynk.cc
Follow us: http://www.fb.com/blynkapp
http://twitter.com/blynk_app
Blynk library is licensed under MIT license
This example code is in public domain.
*************************************************************
Output any data on LCD widget!
App project setup:
LCD widget, switch to ADVANCED mode, select pin V1
*************************************************************/
/* Comment this out to disable prints and save space */
#define BLYNK_PRINT Serial
#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>
#define TRIGGERPIN D1
#define ECHOPIN D2
// You should get Auth Token in the Blynk App.
// Go to the Project Settings (nut icon).
char auth[] = "c48e77b790e64b05adf1ee77fb4dbb40";
// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "Bootload Error";
char pass[] = "theraininspain";
WidgetLCD lcd(V1);
BlynkTimer timer;
// This function sends Arduino's up time every second to Virtual Pin (5).
// In the app, Widget's reading frequency should be set to PUSH. This means
// that you define how often to send data to Blynk App.
void myTimerEvent()
{
// You can send any value at any time.
// Please don't send more that 10 values per second.
Blynk.virtualWrite(V5, millis() / 3000); //was 1000
}
void setup()
{
// Debug console
Serial.begin(9600);
pinMode(TRIGGERPIN, OUTPUT);
pinMode(ECHOPIN, INPUT);
Blynk.begin(auth, ssid, pass);
// You can also specify server:
//Blynk.begin(auth, ssid, pass, "blynk-cloud.com", 8442);
//Blynk.begin(auth, ssid, pass, IPAddress(192,168,1,100), 8442);
lcd.clear(); //Use it to clear the LCD Widget
lcd.print(0, 0, "Distance in cm"); // use: (position X: 0-15, position Y: 0-1, "Message you want to print")
// Please use timed events when LCD printintg in void loop to avoid sending too many commands
// It will cause a FLOOD Error, and connection will be dropped
}
void loop()
{
lcd.clear();
lcd.print(0, 0, "Sump depth in cm"); // use: (position X: 0-15, position Y: 0-1, "Message you want to print")
long duration, distance;
digitalWrite(TRIGGERPIN, LOW);
delayMicroseconds(3);
digitalWrite(TRIGGERPIN, HIGH);
delayMicroseconds(10); //was12
digitalWrite(TRIGGERPIN, LOW);
duration = pulseIn(ECHOPIN, HIGH);
distance = 68-(duration/2) / 29.1;
Serial.print(distance);
Serial.println("Cm");
lcd.print(7, 1, distance);
Blynk.run();
timer.run(); // Initiates BlynkTimer
delay(1500); //was 3500
}