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All Journal Indonesian Journal of Electrical Engineering and Computer Science
Nani Fadzlina Naim
Universiti Teknologi MARA

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Smart insects repeller Suzi Seroja Sarnin; Nur Jumaatul Hidayati Binti Mohammad; Nani Fadzlina Naim; Norsuzila Ya’acob; Azlina Idris; Wan Norsyafizan Wan Mohamad; Mohd Nor Md Tan
Indonesian Journal of Electrical Engineering and Computer Science Vol 17, No 1: January 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v17.i1.pp205-212

Abstract

One of the key issues for those involved in farming and greenhouse is the use of pesticides. In a recent headline, there has been an epidemic of insect infestation that has destroyed 211 hectares of rice plants. These concerns have led to the discussion of possible over-use of pesticides that are not just killing dangerous pests, but also other animals that help combat the pest. In order to overcome the problem, a research was conducted by introducing a smart insect killer.  In this developing project, Pyroelectric (PIR) sensor will be using as a motion detector towards insects. This sensor plays a role to transmit the signal for action in taking care of the plant. The IR sensors will install around the plant, so that it has good range to detect any motion. As a result, suitable chemical spray will trigger to repel these insects. A light emitting diode as an indicator of functional to the system.  "Smart Insect Repeller" will work when certain pests are detected and this will reduce the use of poisons and the quality of the crop will be preserved due to the use of minimal poisons.
Single-pump multiwavelength hybrid raman-EDF laser using a non-adiabatic microfiber interferometer Muhammad Faiz Ibrahim; Nani Fadzlina Naim; Mas Izyani Bt Md Ali
Indonesian Journal of Electrical Engineering and Computer Science Vol 18, No 3: June 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v18.i3.pp1446-1453

Abstract

This paper presents a multiwavelength fiber laser utilizing non-adiabatic tapered EDF based Mach Zehnder Interferometer (MZI) in hybrid Raman-EDF gains design with a linear cavity. A stable laser was obtained from the single pump with a 1497 nm wavelength through the employment of a 20:80 optical circulators and 99% reflective mirror. The generated backward propagating oscillates inside the laser cavity generate the stable multiwavelength output with 4 channels, which is coupled out via the 10:90 coupler and the output laser is characterized using an OSA with a resolution of 0.015 nm. The hybrid Raman-EDF gain is pumped from the external cavity by a Raman Pump Unit (RPU) and produced a stable multiwavelength laser output with SMSR of 28.9 dBm for 300 mW pump power, 30.7 dBm for 1000 mW pump power and 33.7 dBm for 1500 mW pump power.
Liquefied petroleum gas monitoring and leakage detection system using nodemcu ESP8266 and wi-fi technology Suzi Seroja Binti Sarnin; Divine Senanu Ametefe; Nani Fadzlina Naim; Wan Norsyafizan Wan Mohamad; Norlela Ishak; Norfishah Ab Wahab; Norsuzila Ya’acob
Indonesian Journal of Electrical Engineering and Computer Science Vol 17, No 1: January 2020
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijeecs.v17.i1.pp166-174

Abstract

Liquefied Petroleum Gas which is popularly known as LPG is a clean source of energy which is highly flammable and usually compressed into storage tanks. Due to the flammable nature of LPG it can easily lead to uncontrollable explosions in the presence of any ignition action or may lead to complete depletion of oxygen in a particular area. This study is focused on the fabrication of a system that would detect, monitor and control LPG gas leakages for domestic gas cylinders. A MQ-2 gas sensor was used for the detection of LPG gas leakages, the monitoring aspect was satisfied locally through notifications triggered by LEDs, piezo buzzer and remotely through the use of an application known as Blynk. The control aspect was implemented with the use of a stepper motor which turns off gas cylinder regulators whenever gas concentrations are high. All operations are primary hinged on the NodeMCU ESP8266 controller and Wi-Fi communication technology. 
Co-Authors Azlina Idris Divine Senanu Ametefe Mas Izyani Bt Md Ali Mohd Nor Md Tan Muhammad Faiz Ibrahim Norfishah Ab Wahab Norlela Ishak Norsuzila Ya’acob Nur Jumaatul Hidayati Binti Mohammad Suzi Seroja Binti Sarnin Suzi Seroja Sarnin Wan Norsyafizan Wan Mohamad