Arduinoで扉の開閉監視する

ArduinoRoomdoor.ino

void setup() {
  Serial.begin(9600) ;
  pinMode(13, OUTPUT);
  pinMode(2, INPUT_PULLUP);
}

unsigned long prev=0; 
  void loop() {
  int x;
  unsigned long current = millis();
  if(abs(current-prev)>1000){
    prev=current;
    x = digitalRead(2);
    if (x == 0){
      digitalWrite(13, 1);
    }
    else{
      digitalWrite(13, 0);
    }
    Serial.println(x);
    Serial.flush();
  }
}

Gemfile

source "https://rubygems.org"
gem 'washbullet'
gem 'serialport'

roomdoor.rb

require 'bundler'
Bundler.require

serial_port = '/dev/ttyACM1'
serial_bps = 9600
prev_value = 0

client = Washbullet::Client.new(ENV['PUSHBULLET_API_KEY'])
sp = SerialPort.new(serial_port,serial_bps)
sp.read_timeout = 0
while line = sp.readline
  line = line.strip
  t = Time.now
  if line.to_i == 1 and line.to_i != prev_value then
    t = Time.now
    #平日の10-19時ならPushbulletで通知する
    if t.wday.between?(1,5) and t.hour.between?(10,19) then
      client.push_note(nil,'Room door sensor','open')
    end
  end
  prev_value = line.to_i
end