A global system for mobile communications-based electrical power consumption for a non-contact smart billing system

<span>This paper proposes a cheap solution to be a starting point for building smart electrical power billing systems. Electrical power has many challenges issues in Iraq, one of these challenges and the most important is the Billing system. The smart power meter uses an Arduino Uno as the core for controlling the sensed data and transmits it to the electrical power unit for billing services. The system is constructed with two parts: the transmitting unit measures the current, voltage, power and power factor through the compact new sensor PZEM-004T. The data sensed and processed by the microcontroller which displayed the KWh on (2*16 LCD) display. This data also transmitted to the electrical power company unit via the global system for mobile communications (GSM) module (SIM900A) which is a dual band GSM/GPRS-</span><span>general packet radio service</span><span> modem. The receiving part is mainly dedicated for collecting the required consumed power data via the same (SIM900A) module and also can display it using (2*16 LCD) display. For the sake of saving these data, the receiver part uses SD ram for such purposes. With such proposed system the electrical power company can control and collect their fees monthly without loss and with minimum cost.</span>

Grid-Tie Rotating Solar Rooftop System Using Atmega

This paper presents a grid-tie rotating solar rooftop system solar power project which is powered by using Atmega 328 microcontroller. It includes solar panel, LCD display, and battery charging circuit and an inverter circuit with sun tracking capability. This project represents whether a particular industrial or residential load would be powered by the photovoltaic panel or the company. This project is based on Atmega 328 micro-controller which controls the solar array by rotating it consistently with the position of sun. This energy obtained from the solar array is then stored in battery which is then sent back to power the domestic or industrial area. The remaining energy is then reverted to the power house through the gird-tie system. Hence with the assistance of this project, power usage can be reduced by the renewable source of energy and profit can be earned with the help of the power which is fed back to the grid.

GSM Based SMS Alert Fire Alarm System

The design of a fire alarm with Arduino-based system by means of GSM Module. The work purposely for house safety where the main point is to avoid the fire accidents occurred to the residents and the properties inside the house. In order to prevent losses accrued from fire accidents, various alarm systems have been developed such as smoke detectors, temperature sensor based systems etc. The design and implementation of a cost effective and reliable GSM based SMS Alert fire alarm system. The device will be able to monitor the temperature of the environment, the smoke level, send SMS alert to an inbuilt GSM number. When the system detects the temperature of 100C or more, it will immediately display an alert notification on LCD display and simultaneously sending an SMS alert to the users upon the high raise temperature in the house. This fire detection system consists of a smoke sensor, buzzer, LCD display and GSM module is interfaced with Arduino board. Keywords: Smoke sensor, GSM Module, Arduino, LED display, Buzzer

Automatic Kinking Device System Design Based on Microcontroller

To solve the problem that traditional Kinking equipment can not meet the needs of handcrafters today. The system to automation, intelligence asa breakthrough point, the use of STC12C5A60S2 micro-controller as the control core of the entire system, through the Hall encoder, film keyboard, LCD display, so that producers can use only keys to control the wire-tanger, and can be real-time from the display to observe the state of work, so as to achieve low-cost, high-efficiency wire production. Experiments show that in the case of 14 hours of continuous work, the tanger can still complete the normal tanger work and the accuracy rate is as high as 99.8percent. Low cost, good stability, high efficiency, small size, wire-tanger can assist people’s production and life, to achieve the goal of efficient production.

Methods to improve colour mismatch between displays

With the rapid development of display technology, the colour mismatch of the colours having same tristimulus values between devices is an urgent problem to be solved. This is related to the wellknown problem of observer metamerism, caused by the spectral power distribution (SPD) of primaries and the difference between individual observers' and the standard CIE colour matching functions. An experiment was carried out for 20 observers to perform colour matching of colour stimuli with a field-of-view of 4° between 5 displays, including two LCD and two OLED, against a reference LCD display. The results were used to derive a matrixbased colour correction method. The method was derived from colorimetric visually matched colorimetric data. Furthermore, different colour matching functions were evaluated to predict the degree of observer metamerism. The results showed that the correction method gave satisfactory results. Finally, it was found that the use of 2006 2° colour matching function outperformed 1931 2° CMFs with a large margin, most marked between an OLED and an LCD display.

PENERAPAN IOT (INTERNET OF THINGS) PADA PEMANTAUAN KESEHATAN KANDANG HEWAN JENIS LANDAK MINI BERBASIS ARDUINO DENGAN MENGGUNAKAN METODE LOGIKA FUZZY

Hobi merawat binatang bagi sebagian orang dari usia muda sampai orang dewasa memiliki minat tersendiri, salah satunya memelihara binatang berjenis landak mini atau mempunyai bahasa latin hedgehog yang termasuk kedalam keluarga erinaceinae. Mengontrol suhu dan kelembaban kandang landak mini sangat penting bagi para pemelihara hewan tersebut apalagi ketika pemilik sedang tidak dirumah, landak mini dapat dipelihara dalam kotak kayu atau aquarium akrilik sebagai tempat pemeliharaan sehingga tidak memakan tempat yang lebih besar. Dengan permasalahan latar belakang tersebut, penelitian mengembangkan sistem monitoring hewan jenis landak mini berbasis internet of things(IOT) agar pemilik dapat melakukan pemantauan kandang saat sedang tidak dirumah dan memberikan informasi secara langsung melalui internet, pada sistem ini terdapat beberapa sensor, modul dan aktuator ke dalam pembuatan sistem monitoring kandang hewan jenis landak mini berbasis Arduino seperti sensor DHT11, Motor Servo, sensor WaterLevel dan sensor Load Cell, Waterpump, Motor servo, lcd Display i2c,Hx711, L298N, Kipas dan Esp8266 yang digunakan untuk memonitoring kandang, sensor DHT11 digunakan untuk mendeteksi suhu dan kelembaban pada kandang, sensor Water Level digunakan untuk mendeteksi air minum pada kandang. Dari hasil perhitungan, diketahui pengujian alat menggunakan sensor dht11 memiliki nilai keakuratan sebesar ± 93.82 % dengan rata presentase error sebesar 6,28%, sensor load cell memiliki nilai rata presentase error sebesar 3,08% sedangkan tingkat error pada sensor waterlevel sebesar 0,18%, kipas dapat menyala dengan kecepatan yang telah dihasilkan menggunakan basis aturan fuzzy mamdani, ketika suhu dan kelembaban kandang mencapai kondisi keanggotaan dingin, dan normal maka kipas akan berputar sedang, jika suhu dan kelembaban kandang mencapai panas dan lembab maka kipas akan menyala dengan cepat.

Desenvolvimento de um Sistema de Detecção de Gás Hidrogênio / Development of a Hydrogen Gas Detection System

Nowadays it is very necessary to handle hydrogen correctly to avoid accidents. Due to its high flammability in exposure and operation in industrial environments, it is possible that a gas leak or a fault may occur for correct operation of an equipment. In this paper, a detection system of a commercial hydrogen sensor was developed, using microcontroller, sensor, LCD display and a microSD card module. The communication of the sensor with the microcontroller was carried out, followed by the communication between the sensor and the microSD module with the saved data, where serially it was possible to obtain measurements in real time on an LCD display. Finally, the tests on the system validated the used methodology.

RFID-Based Digital Door Locking System

This is an IoT-enabled RFID-based door locking gadget. This door lock system will know how long the door is open and in this door lock system, only those people who register will be able to enter using their card. It uses a servo motor that operates with the help of Arduino. The Arduino board runs with complete programming that is stored inside it. By using this gadget, an owner can track his office and the place where he wants to let the specific people in. It is also very secure. RFID Module, LCD Display Red and Green and Yellow LED Light and Buzzer have also been used in this door lock system. When the door is locked, the yellow LED will be on and when the door lock is open, the green led light will turn on. The Red LED work will alert you that your card is wrong.

RFID-Based Digital Door Locking System

This is an IoT-enabled RFID-based door locking gadget. This door lock system will know how long the door is open and in this door lock system, only those people who register will be able to enter using their card. It uses a servo motor that operates with the help of Arduino. The Arduino board runs with complete programming that is stored inside it. By using this gadget, an owner can track his office and the place where he wants to let the specific people in. It is also very secure. RFID Module, LCD Display Red and Green and Yellow LED Light and Buzzer have also been used in this door lock system. When the door is locked, the yellow LED will be on and when the door lock is open, the green led light will turn on. The Red LED work will alert you that your card is wrong.

Automated data monitoring of MEMS cleanroom parametric requirements

<p>Cleanroom parameters such as temperature, relative humidity and particle count are vital in maintaining cleanliness. People and machines working inside the cleanroom are main contributors for the sudden changes of the separameters. Measurements and monitoring of these parameters are therefore necessary to reduce rejects and downtime in the production of micro-electro-mechanical systems (MEMS). This paper presents a method of developmentof an automated data monitoring of MEMS cleanroom parametric requirements. The prototype developed uses DHT11 sensor and Sharp dust sensor for measuring the temperature, humidity and particle count respectively which are displayed in an LCD display. These parameters are recorded through a data logger for analysis and control. Additionally, agraphical user interface was also developed using visual studio for the working personnel and for supervisory monitoring and control. As a result, the possible quality compromise in the production of MEMS is detected when the monitored parameters are beyond the range.</p>