Archive for category: Arduino

การหลับ Deepsleep จะเป็นหน่วย microsecond

#include <ESP8266WiFi.h>
#include “DHT.h”
//deep sleep  wire GPIO16 (D0) to RST Pin
#define DHTPIN D4 // ขา Out ของ Sensor ต่อเข้าขา D4 ของ Esp8266
#define DHTTYPE DHT11 // DHT 22 (AM2302), AM2321
DHT dht(DHTPIN, DHTTYPE);
void setup()
{
dht.begin();
Serial.begin(9600);
Serial.println(“Humidity and temperature\n\n”);
delay(700);
}

void loop()
{
float h = dht.readHumidity();
float t = dht.readTemperature();
Serial.print(“Current humidity = “);
Serial.print(h);
Serial.print(“% “);
Serial.print(“temperature = “);
Serial.print(t);
Serial.println(“C “);
//ESP.deepSleep(30e6); // Deep sleep mode for 30 seconds
//ESP.deepSleep(60e6); // Deep sleep mode for 60 seconds
ESP.deepSleep(300e6); // Deep sleep mode for (~5 min) 300 seconds
delay(800);
}

credit:https://roboindia.com/tutorials/DHT11-NodeMCU-arduino

// www.arduinesp.com
//
// Plot DTH11 data on thingspeak.com using an ESP8266
// April 11 2015
// Author: Jeroen Beemster
// Website: www.arduinesp.com
// ใช้กับ กล่อง วัดอุณหภูมิที่บ้าน
// 20-3-2017 ใช้งานครั้งแรก DHT22
// 19-5-2017 เพิ่ม DS18B20
// 18-12-2017 ซ่อมครั้งที่ 1 เปลี่ยน DHT22 เป็น AM2305
// 26-2-2018 เปลี่ยน accesspoint ใหม่ ตั้งรหัสใหม่ เปลี่ยน thingspeak acc ใหม่
#include <DHT.h>
#include <ESP8266WiFi.h>
#include <OneWire.h>
#include <DallasTemperature.h>
#include “ThingSpeak.h”

// replace with your channel’s thingspeak API key,
unsigned long myChannelNumber = xxxxxx;
const char * myWriteAPIKey = “xxxxxxxxxxxxxx”;

const char* ssid = “SMART_xxx”;
const char* password = “xxxxxxxxxxx”;

#define DHTPIN1 D1 // d0 dht22 ext
// #define DHTPIN2 D2 // d1 dht22 mushroom
DHT dht1(DHTPIN1,DHT22,15);
// DHT dht2(DHTPIN2,DHT22,15);
#define sensorPin D2 // Data wire is plugged into pin D3 on NodeMCU
OneWire oneWire(sensorPin); // Setup the oneWire Sensor
DallasTemperature DS18B20(&oneWire); // Pass reference to Dallas Temperature.
WiFiClient client;

ADC_MODE(ADC_VCC);
// int vcc;
void setup() {
Serial.begin(115200);
delay(10);
dht1.begin();
//dht2.begin();
WiFi.begin(ssid, password);

Serial.println();
Serial.println();
Serial.print(“Connecting to “);
Serial.println(ssid);

WiFi.begin(ssid, password);

while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(“.”);
}
Serial.println(“”);
Serial.println(“WiFi connected”);
Serial.println(“IP address: “);
Serial.println(WiFi.localIP());
ThingSpeak.begin(client);
}

void loop() {

float h1 = dht1.readHumidity();
float t1 = dht1.readTemperature();
float vcc = 0.00f;
vcc = ESP.getVcc()/1024.00f;
// uint32_t vcc = ESP.getVcc()/1000.0;
DS18B20.requestTemperatures();
float t2 = DS18B20.getTempCByIndex(0);
//if (isnan(h1) || isnan(t1) ||isnan(h2) || isnan(t2)) {
if (isnan(h1) || isnan(t1) ) {
Serial.println(“Failed to read from EXT DHT sensor 1 !”);
//return;
t1=0;
h1=0;
}
else if (isnan(t2) ) {
Serial.println(“Failed to read from DS18B20 mushroom sensor 2 !”);
//return;
t2=0;
//h2=0;
}
Serial.print(“Temperature 1: “);
Serial.print(t1);
Serial.print(” C Humidity 1: “);
Serial.print(h1);
Serial.print(” % Voltage : “);
Serial.print(vcc);
Serial.print(” V MushRoom Temperature 2: “);
Serial.print(t2);
Serial.println(” C”);
//Serial.print(” C MushRoom Humidity 2: “);
//Serial.print(h2);
//Serial.println(“% send to Thingspeak”);

ThingSpeak.setField(1,t1);
ThingSpeak.setField(2,h1);
ThingSpeak.setField(3,vcc);
ThingSpeak.setField(4,t2);
ThingSpeak.writeFields(myChannelNumber, myWriteAPIKey);
Serial.println(“Waiting”);
delay(20000);
// ThingSpeak will only accept updates every 15 seconds.
// delay 1 minitue delay 1000=1sec

client.stop();

Serial.println(“Wifi Disconnect”);
WiFi.disconnect();
//delay(60000);
delay(100);
//โดย 1,000,000 microseconds = 1 second)
Serial.println(“”);
Serial.println(“Deep Sleep 5 min”);
// deep sleep 1 min
//ESP.deepSleep(60 * 1000000, WAKE_RF_DEFAULT);
//deep sleep 5 min
ESP.deepSleep(360 * 1000000, WAKE_RF_DEFAULT);
//ESP.deepSleep(5*60 * 1000000);
//node.dsleep(60 * 1000000);
delay(500); // wait for deep sleep to happen
}

1. download android auto    https://www.apkmirror.com/apk/google-inc/android-auto/android-auto-2-8-5745-release/android-auto-maps-media-messaging-voice-2-8-574513-release-android-apk-download/
2. Youtube  Auto http://www.thekirankumar.com/blog/2017/12/29/play-youtube-video-android-auto-app/

/**************************************************************
* 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
* Social networks: http://www.fb.com/blynkapp
* http://twitter.com/blynk_app
*
* Blynk library is licensed under MIT license
* This example code is in public domain.
*
**************************************************************
* This example runs directly on ESP8266 chip.
*
* Note: This requires ESP8266 support package:
* https://github.com/esp8266/Arduino
*
* Please be sure to select the right ESP8266 module
* in the Tools -> Board menu!
*
* Change WiFi ssid, pass, and Blynk auth token to run 🙂
*
**************************************************************/

#define BLYNK_PRINT Serial // Comment this out to disable prints and save space
#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>

// You should get Auth Token in the Blynk App.
// Go to the Project Settings (nut icon).
char auth[] = “xxxxxxxxxxxxxxxxxxxxxxxxxx”;

// Your WiFi credentials.
// Set password to “” for open networks.
char ssid[] = “yyyyyyyyyyyyyyy”;
char pass[] = “zzzzzzzzzz”;

void setup()
{
Serial.begin(9600);
pinMode(0, OUTPUT);
pinMode(2, OUTPUT);
Blynk.begin(auth, ssid, pass);
}
BLYNK_WRITE(V1)
{
int i=param.asInt();
if (i==1)
{
delay(300);
digitalWrite(0, HIGH);
digitalWrite(2, HIGH);
delay(1750); // delay 1000 = 1 sec
digitalWrite(0, LOW);
digitalWrite(2, LOW);
}
else
{
digitalWrite(0, LOW);
digitalWrite(2, LOW);
}
}

void loop()
{
Blynk.run();
}

credit:http://docs.blynk.cc/#blynk-main-operations-get-data-from-hardware

https://community.blynk.cc/t/blynk-virtual-pin-blynk-write/7001/3