wemos D1 occupancy sensor

wemosd1

/*
 * https://howtomechatronics.com/tutorials/arduino/ultrasonic-sensor-hc-sr04/
 * https://codebender.cc/sketch:356078#HC-SR04%20Ultrasonic%20Sensor%20Example.ino
 * https://einstronic.com/store/controller/esp8266/wemos/wemos-d1-mini-esp8266-wifi-development-board/
 * 
 * Uses: https://github.com/gamo256/dweet-esp
 */


#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266HTTPClient.h>


#define THING_NAME  "jjb-garage-test"  // Put here your thing name
#define WIFI_SSID "8FF71E"
#define WIFI_PASS "62C26C2C68912"

  String occupied;


// defines pins numbers

//D4 (PIN 2) is the onBoard LED!!
const int trigPin = 5; //D1
const int echoPin = 4; //D2
const int sensorPWR = 14; //D5
const int led = 2; // onboard


// defines variables
long duration;
int cm, in;

const char serverAddress[] = "dweet.io";  // server address
int port = 80;


void setup() {
  pinMode(led, OUTPUT); // on-board LED
  digitalWrite(led, LOW);
  pinMode(sensorPWR, OUTPUT); 

  //pinMode(16, OUTPUT);
  pinMode(14, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(13, OUTPUT);
  pinMode(15, OUTPUT);
  pinMode(1, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(2, OUTPUT);


  
  Serial.begin(115200);
  Serial.println("");
  Serial.println("--- Entered Setup ---");
  Serial.println("");

  WiFi.disconnect();

  WiFi.begin(WIFI_SSID, WIFI_PASS);
  while(WiFi.status()!=WL_CONNECTED)
  {
    Serial.print(".");
    delay(500);
  }
  
  Serial.println("");
  Serial.print("IP Address: ");
  Serial.print(WiFi.localIP());
  Serial.println("");

  // sensor
  pinMode(trigPin, OUTPUT); // Sets the trigPin as an Output
  pinMode(echoPin, INPUT); // Sets the echoPin as an Input


}
int i;

void loop() {

  // Power on the sensor. Must wait 
  digitalWrite(sensorPWR, HIGH);
  delay(1000);
  
  // Clears the trigPin
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  
  // Sets the trigPin on HIGH state for 10 micro seconds
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  
  // Reads the echoPin, returns the sound wave travel time in microseconds
  duration = pulseIn(echoPin, HIGH);
  
  // Calculating the distance
  cm = duration / 58.0;
  in = duration / 148.0;
  
  // Prints the distance on the Serial Monitor
  Serial.print("Distance: ");
  Serial.println(cm);
  Serial.println(in);

  String testme = "jjbgarage";

  if(i++ %2 == 0 )
    occupied = "1";
  else
    occupied = "0";
  // Post data to dweet.io
  HTTPClient http;
  String URL = "http://dweet.io/dweet/for/" + testme + "?occupied=" + occupied + "&test=123"; // Works with HTTP
  http.begin(URL); // Works with HTTP
  
  int httpCode = http.GET();
  if (httpCode > 0) {
    String payload = http.getString();
    Serial.println(payload); // Print response
  }
 
  http.end();

  pinMode(14, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(13, OUTPUT);
  pinMode(15, OUTPUT);
  pinMode(1, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(2, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(0, OUTPUT);

  // Drive all pins LOW
  //digitalWrite(16, LOW);
  digitalWrite(14, LOW);
  digitalWrite(12, LOW);
  digitalWrite(13, LOW);
  digitalWrite(15, LOW);
  digitalWrite(1, LOW);
  digitalWrite(3, LOW);
  digitalWrite(2, LOW);
  digitalWrite(5, LOW);
  digitalWrite(4, LOW);
  digitalWrite(0, LOW);


  Serial.println("Deep Sleep: ");
  ESP.deepSleep(20e6);
  Serial.println("Awake!");
}