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All Journal Journal of Intelligent Networks and IoT Global Jurnal Ilmiah Teknologi dan Komputer (JITTER)
Tasmi
Universitas Indo Global Mandiri
Computer Science & IT

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Rancang Bangun Alat Pendeteksi Gas Hidrogen Di Dalam Kendaraan Roda Empat Berbasis Internet Of Things (IoT) Aprieji Istiawan; Rachmansyah; Tasmi; Hastha Sunardi
Journal Of Intelligent Networks and IoT Global Vol 1 No 1 (2023)
Publisher : Universitas Indo Global Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36982/jinig.v1i1.3076

Abstract

Tujuan dari penelitian ini yaitu untuk membuat rancangan alat yang dapat mendeteksi gas hidrogen dengan menggunakan sensor MQ-8. Kadar kualitas udara yang ada pada suatu ruangan menjadikan tolak ukur keamanan dan kebersihan dan ruangan tersebut begitu juga dengan ruangan tertutup seperti pada kabin kendaraan roda empat. Salah satu gas berbahaya yang berasal dari kendaraan roda empat adalah Gas hidrogen. gas yang dikeluarkan dari terjadinya kebocoran AC saat kendaraan dalam keadaan menyala didalam keadaan tertutup sehingga sangat berbahaya bagi kesehatan manusia apabila terhirup pada kadar tertentu. Berdasarkan kondisi tersebut diperlukan untuk dibuat sistem monitoring gas hidrogen didalam kendaraan roda empat berbasis Internet Of Things (IoT). Pada penelitian ini, dibuat sistem monitoring kadar gas hidrogen dengan metode real-time berbasis Internet of Things (IoT). Sensor gas yang dipakai adalah MQ-8 yang digabungkan dengan mikrokontroler NodeMcu ESP 8266. Hasil dari pengujian Freon yang mengandung gas hidrogen sensor MQ-8, Buzzer dan LED indikator merah menyala dengan action power window akan turun ketika gas hidrogen lebih dari 20 ppm, yang berarti kondisi tersebut melebihi batas aman kesehatan dan data yang telah dikirim NodeMCU akan disimpan dalam database, pengiriman data secara real-time yang ditampilkan pada website monitoring,dan dapat memberikan notifikasi dengan cepat kepada penumpang agar mencegah keracunan pada kandungan gas hidrogen. dengan melakukan pengujian tersebut bahwa sensor dapat bekerja dengan baik
SISTEM BUKA TUTUP TERPAL SECARA OTOMATIS PADA PENJEMURAN GABAH BERBASIS TELEGRAM BERDASARKAN SENSOR BH1750 (SENSOR CAHAYA) DAN RAIN DROP SENSOR (SENSOR HUJAN) Nonik Wulantika; Tasmi; Ricky Maulana Fajri
Journal Of Intelligent Networks and IoT Global Vol 1 No 1 (2023)
Publisher : Universitas Indo Global Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36982/jinig.v1i1.3078

Abstract

Tujuan dari penelitian ini adalah untuk membantu meringankan pekerjaan petani, dan agar gabah yang dijemur dapat menghasilkan kualitas yang baik. Dikarenakan masih banyaknya petani di daerah-daerah tertentu yang melakukan proses penjemuran gabah secara manual bergantung pada sinar matahari yang tidak bisa diprediksi. Dilakukan percobaan sensor hujan akan mendeteksi turunya hujan Ketika menerima tetesan air dengan nilai kurang dari 1000 RH dan tidak mendeteksi hujan bila lebih dari 1000 RH, Sedangkan sensor BH1750 akan mendeteksi terang bila nilai lebih dari 70 lux dan mendeteksi mendung bila kurang dari 70 lux. Hasil Kedua sensor dapat bekerja dengan baik, sensor BH1750 dapat mendeteksi adanya perubahan cahaya dari terang ke gelap atau sebaliknya dan sensor hujan dapat mendeteksi adanya tetesan air hujan. Dari pengujian membuktikan bahwa sensor BH1750 dan sensor hujan berkerja dengan baik dalam mendeteksi cuaca dan motor DC bergerak sesuai dengan nilai yang telah diinput
SISTEM PENYIRAMAN BUDIDAYA TANAMAN CABAI BERDASARKAN PENGUKURAN SUHU DAN KELEMBABAN TANAH Puji Lestari; Tasmi; Fery Antony
Journal Of Intelligent Networks and IoT Global Vol 1 No 1 (2023)
Publisher : Universitas Indo Global Mandiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36982/jinig.v1i1.3080

Abstract

The process of growing peppers requires extra attention important to maintaining soil moisture. The intensity of temperature and humidity in chili plants can make it easier for farmers to measure soil conditions and make it easier for farmers to monitor the quality of the chili they grow. In this study, the progression of an Internet of Things (IoT)-based system was performed out. To monitor and find out the temperature and humidity and can carry out the plant watering system automatically. NodeMcu ESp32 microcontroller as a data center, with temperature values taken from DHT11 sensors and humidity values from Soil Moisture sensors. This soil moisture control system works at temperatures of more than 20°C and humidity levels of more than 70% so that the system can control the water pump according to the measured level of soil moisture. From the results of experiments that have been carried out testing chili plants with a Soil Moisture sensor, the dry soil output value is >=70% with a temperature from the DHT11 sensor of 33.30 °C and a wet soil output value of <=60% with a temperature from the DHT11 sensor of 29.00°C has an accurate value with what has been tested with several conditions that have been made previously
Analysis of the Sensitivity of the SW-420 Vibration Sensor to Minor Mechanical Disturbances in the Safe Security System Naila Cahaya Putri; Tasmi; Muhammad Gald Teary
JITTER: Jurnal Ilmiah Teknologi dan Komputer Vol. 6 No. 3 (2025): JITTER Vol.6, No.3, December 2025
Publisher : Program Studi Teknologi Informasi, Fakultas Teknik, Universitas Udayana

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Abstract

Abstract The security of assets in closed storage such as safes faces challenges in the form of illegal unit removal and physical manipulation. This study aimed to design and evaluate an anti-theft alarm system based on the Arduino Uno microcontroller with an SW-420 vibration sensor. The approach used was a laboratory experimental method focusing on testing the system's responsiveness to low-intensity mechanical interference or "Level Easy". The results showed that the integration of the SW-420 sensor, relay module, and buzzer successfully detected physical anomalies in real-time with a response time of less than one second. The implementation of the pulseIn() function in the programming logic proved effective in processing digital vibration signals into accurate alarm activation instructions. Threshold adjustments via potentiometers and the application of debouncing methods successfully minimized the potential for false alarms. In conclusion, this prototype demonstrated high reliability as an independent and portable early warning system for the protection of static assets.  Keywords : Arduino Uno, SW-420 Sensor, Safe Security, Vibration.
Design and Implementation of Automatic Fan Control System Based on Room Temperature Using Microcontroller-Based LM35 Sensors Rangga Aditiawarman; Tasmi; Muhammad Gald Teary
JITTER: Jurnal Ilmiah Teknologi dan Komputer Vol. 6 No. 3 (2025): JITTER Vol.6, No.3, December 2025
Publisher : Program Studi Teknologi Informasi, Fakultas Teknik, Universitas Udayana

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Abstract

Room temperature control is an important aspect in maintaining user comfort and ensuring the efficient performance of electronic devices in enclosed spaces. Manual fan operation is considered ineffective because it cannot respond promptly to temperature changes and may lead to energy inefficiency. Therefore, this study aims to design and implement an automatic fan control system based on room temperature using an LM35 temperature sensor and an Arduino Uno microcontroller. The control method applied is threshold-based control, in which the fan automatically turns on or off according to a predefined temperature limit. The system consists of an LM35 sensor for temperature sensing, a microcontroller for data processing, a relay module as the actuator controller, a DC fan as the cooling device, and an I2C-based LCD as the display unit. System testing was conducted in an enclosed room with naturally varying temperature conditions. The experimental results show that the system is capable of reading room temperature stably and in real time, displaying temperature data clearly, and controlling the fan automatically and consistently according to the room temperature conditions. Based on its performance, the proposed system can be considered a simple, efficient, and easily applicable solution for room temperature control in small- to medium-scale enclosed environments. Keywords: temperature control, automatic fan, LM35 sensor, microcontroller, embedded system.
Co-Authors Aprieji Istiawan Fery Antony Muhammad Gald Teary Naila Cahaya Putri Nonik Wulantika Puji Lestari Rachmansyah Rangga Aditiawarman Ricky Maulana Fajri Sunardi, Hastha