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Rifki Suwandi
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Department of Computer Engineering, Faculty of Information Technology, Universitas Andalas, Limau Manis Campus, Padang 25163, West Sumatra
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CHIPSET (Journal on Computer Hardware, Signal Processing, Embedded System and Networking)
Published by Universitas Andalas
ISSN : -     EISSN : 27224422     DOI : https://doi.org/10.25077/chipset
Core Subject : Science, Engineering,
Computer Science & IT Electrical & Electronics Engineering Engineering
CHIPSET (Journal on Computer Hardware, Signal Processing Embedded System and Networking) is a scholarly periodical. CHIPSET will publish research papers, technical papers, conceptual papers, and case study reports. This journal is published by Computer Engineering Department at Universitas Andalas, Padang, West Sumatra, Indonesia. CHIPSET mainly discusses embedded devices, networking, and mobile computing engineering aspects.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 86 Documents
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Multimeter dengan Sistem Penayangan Data Berbasis Web dan Kacamata Data Tommy Alexy; Rian Ferdian
CHIPSET Vol. 4 No. 01 (2023): Journal on Computer Hardware, Signal Processing, Embedded System and Networkin
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/chipset.4.01.13-22.2023

Abstract

This study aims to create a multimeter system that is able to use with database system and see with data glasess . Multimeter is a measuring instrument used for measurements on electronic compositions. Electricity is indispensable today but if not careful electricity will be very dangerous. One of the dangers of electricity is the occurrence of electric arcs, electric arcs occur due to the presence of dielectric materials that result in electrode charge transfer. Practical learning of electronics is directly related to electricity so careful observation is needed, especially when measuring the three main quantities in the flow of electricity. This system is expected to help users in observing electrical components such as electrical voltage (Voltage / V) and electrical resistance (Ohm / Ω). The system uses a zmpt101b sensor used for voltage readings using a mean system that is taking some electric current data in a certain period of time and taking an average reading of the current read by the sensor, the voltage sensor is used for voltage readings using a mean system that is taking some voltage data in a certain period of time and taking an average voltage read by the sensor, in reading resistance researchers use the voltage divider formula to find out how much is in a resistor that is not known how much resistance. The information obtained will be displayed on the website so that users can more easily sort the readings on the amount of electricity read by the multimeter.
Rancang Bangun Sistem Pelacakan pada Penyewaan Sepeda Motor Menggunakan GPS Berbasis Internet of Things Zikri Rahman; Ratna Aisuwarya; Rifki Suwandi
CHIPSET Vol. 4 No. 01 (2023): Journal on Computer Hardware, Signal Processing, Embedded System and Networkin
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/chipset.4.01.47-60.2023

Abstract

Motorcycles are a means of transportation that many people choose for daily transportation. This is because motorbikes are more effective and efficient than cars. However, the rate of loss of motorbikes continues to increase, especially for motorbikes that are rented out. By designing a system that can provide comfort to vehicle renters and increase security in opening a motorbike rental business. Therefore, a system is designed that can monitor the position of motorbikes that can be monitored through an Android application. The motorcycle will be installed with a tracking system using the GPS module, RTC module and nodemcu microcontroller. The GPS module functions to determine the coordinates of the motorbike's whereabouts and is displayed on an Android-based application and the RTC module is used for scheduling notification delivery in the form of messages to tenants when the rental time is up. The results of this study are that the android application can track the position of the motorbike and make it easier for motorbike rental business owners to work.
Sistem Monitoring Penggunaan Air Kamar Kos Fathonah Ghaniyyah; Rahmi Eka Putri; Nefy Puteri Novani
CHIPSET Vol. 4 No. 01 (2023): Journal on Computer Hardware, Signal Processing, Embedded System and Networkin
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/chipset.4.01.80-87.2023

Abstract

A dormitory is a temporary residence for college students in which they are charged with a certain cost for a certain period of time. The payment for water usage in a dorm includes bathrooms that use PDAM (municipal waterworks). The management of water usage in the dorms is not recorded properly due to the absence of a flow meter in the water pipelines. Monthly water usage in each dormitory room remains uncertain depending on the tenant's need. Therefore, a system was designed to monitor the water usage in dormitory rooms. This system relies on a waterflow sensor component to measure water discharge, an LCD to display a real-time volume and costs, a solenoid valve to stop the water flow when the bill is due, a relay to control the work of the solenoid valve, and ESP32 to process data includes discharge data, volume data, and cost data. These data are sent to the server and stored in a database. Then, the water usage and the monthly cost can be accessed on the website. The system adds a lithium battery, a TP4056 charger module, and a boost converter. The testing was done by designing 3 tools with the same components and functions. The error value on device 1 is 0.5%, device 2 is 0.2%, and device 3 is 0.1%. The success ratio of each function of the system as a whole is 100%.
Penerapan Teknologi LoRa Dalam Sistem Komunikasi Early Warning System Untuk Mitigasi Bencana Tsunami Hadi Candra; Lathifah Arief; Dody Ichwana Putra
CHIPSET Vol. 2 No. 02 (2021): Journal on Computer Hardware, Signal Processing, Embedded System and Networkin
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/chipset.2.02.69-77.2021

Abstract

Lora technology is implemented on prototype to carry out a Tsunami early warning system by sending a trigger code to sound the arduino. the sender uses Dragino LoRa LG01 outdoor while on the other side uses Dragino LoRa node and Arduino Mega. Triggers are input data from Dragino LoRa Gateway in form of string of data which is then converted and sent via LoRa communication. The data that arrives at the node will trigger the program to turn on the siren that has been keep in Arduino Mega. The application of this LoRa is to turn on the sire with a maximum distance. In this research also calculated the capacity of resource at the node that will be sent to the Gateway each time the trigger code is sent. Tests carried out in sub-urban areas with several distance parameters. The maximum distance that can be reached is 500 meters with Receive signal strong indicator (RSSI) -95. While the average time span since the trigger is sent untill the siren is sounded is 0.45 seconds.
Rancang Bangun Sistem Pemberi Minum Lalat BSF (Black Soldier Fly) Otomatis Berbasis Mikrokontroler Putri Utari; Ratna Aisuwarya; Resti Rahayu
CHIPSET Vol. 4 No. 02 (2023): Journal on Computer Hardware, Signal Processing, Embedded System and Networkin
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/chipset.4.02.141-155.2023

Abstract

The BSF fly (Black Soldier Fly) commonly known as the black soldier fly is an insect whose larvae are widely used as animal feed or commonly known as a maggot. BSF flies only need to drink, and do not eat. BSF fly feeding should be given regularly based on the ambient temperature around the cage. At this time, BSF fly breeders tend to have a busy and congested schedule so the cage spraying schedule is neglected. In addition, human negligence factors such as laziness and forgetting also make the spraying schedule irregular. Spraying of the cage was done manually using a plant sprayer. Therefore, research was conducted on the design of a microcontroller-based BSF fly drinking system. This system can perform automatic spraying of BSF flies based on the high and low temperatures around the cage, as well as provide notifications to the telegram of the BSF fly owner. Based on the study's results, this system detects the temperature around the cage using a DHT22 sensor and then sprays drinking BSF flies with the help of a DC pump. This system can be connected to the internet to send notifications that the cage has been sprayed via the telegram application of the cage owner.
Rancang Bangun Kunci Pintu Perpustakaan Otomatis Menggunakan Algoritma Histogram of oriented gradients Berbasis Mini-PC Muhammad Fauzan Azhim; Werman Kasoep; Desta Yolanda
CHIPSET Vol. 4 No. 02 (2023): Journal on Computer Hardware, Signal Processing, Embedded System and Networkin
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/chipset.4.02.129-140.2023

Abstract

Facial recognition has been a long-standing problem in computer vision. Recently, Histograms of Oriented Gradients (HOGs) have been shown to be effective descriptors for object recognition in general and face recognition in particular. In this study, HOGs are used as an algorithm to achieve facial recognition, which aims to recognize the faces of registered students when visiting the library without the need to fill in the attendance list in the visitor book and open the door and lock the door automatically.
Prototipe Pendeteksi Keberadaan Pelanggan Pada Meja Restoran Berbasis Mikrokontroler dengan Notifikasi Telegram Fatihaturrizkah; Werman Kasoep; Nefy Puteri Novani
CHIPSET Vol. 4 No. 01 (2023): Journal on Computer Hardware, Signal Processing, Embedded System and Networkin
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/chipset.4.01.88-92.2023

Abstract

The culinary business is the top two contributors from the manufacturing sector (6.66%). The Association of Indonesian Food and Beverage Entrepreneurs (GAPMMI) estimates that the food and beverage industry will grow by 7% by the end of 2022, this shows that the basic needs business such as the food or beverage business has good business prospects. A restaurant at certain hours such as lunch, dinner and on certain days, will be the busiest time to visit. It is at this time that the service of a restaurant will find it difficult to serve customers, and will experience a decline in service. At this time there are still many restaurants that check tables manually, by checking each table in turns. One technology that can be used to help in this situation is to use an ultrasonic sensor, this sensor can detect the presence of an object or certain objects above the sound waves of 20 kHz to 2 MHz. This can help business people to improve restaurant waiters to be better, by creating a system that can detect the arrival of customers at the restaurant table with an identifiable time and develop with various other capabilities. The research focuses on monitoring table availability by detecting the presence of customers in restaurants.
Rancang Bangun Sistem Analisa Biaya Manfaat Ternak Sapi Berdasarkan Berat Badan Sapi Emyr Riyanda Azra; Dodon Yendri; Adrizal
CHIPSET Vol. 4 No. 02 (2023): Journal on Computer Hardware, Signal Processing, Embedded System and Networkin
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/chipset.4.02.93-106.2023

Abstract

Cattle fattening proccess is very important to increase the weight of cattle before being sold. However, there are many traditional breeders looking for cows that have reached puberty, but the cow's body is still thin. This could be due to the absence of records in monitoring the weight growth of cows so that feeding becomes less precise. Based on these problems, a system was designed that helps farmers in managing their livestock management by recording the progress of each beef cattle that are kept, regulating cattle feeding so that it is more optimal, and knowing the cost benefits of cattle that are kept based on the growth of cow body weight. This system uses two load cells to weigh cows. The weight of the weighed cow can be stored in the web application database. The main function of this system is to be able to calculate and display the cost of benefits of cattle based on the growth of the cow's body weight. Based on the tests carried out, the system can weight cows using two 500kg load cells with an error value of 3.61%. The system can check cow data using keypad input with an average time of 3.99 seconds and store cattle data in the database with an average time of 4.99 seconds. The system can calculate the cost of cow feed needs in one month and income due to changes in cow weight with a 100% success rate.
Rancang Bangun Perangkap Tikus Jenis Falling Floor Trap Menggunakan Dengan Notifikasi Android Berbasis Mikrokontroler Abdul Hamid; Budi Rahmadya; Arrya Anandika
CHIPSET Vol. 4 No. 02 (2023): Journal on Computer Hardware, Signal Processing, Embedded System and Networkin
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/chipset.4.02.119-128.2023

Abstract

This Study aims to create a Falling Floor type of Rats Trap that can automatically catches and kills rats that enter the trap and then, it will send a notification to the user’s phone via telegram chat app also automatically set it back to steady state again once the times given to kill the rat is over by using a sensor while system is controlled by a microcontroller. The system consists several main components that construct the system, first Wemos D1 “a wifi connections ready microcontroller” that controls whole system, an ultrasonic sensor as the main input, it detects the range of the sensor from the rat that enter the trap, the exact range will be determined as the the right condition so that system says a rat is detected, servo motors that used as rat traps mechanic that move each exact part of rat traps, like moves the rat enter‘s door, moves the trap floor, and moves the fences insde the rat cage, and especially systems should be connected to an internet connection by the wemos D1, so that system can sends a notification to user’s phone if a rat caught by the system with overall success rate is 67%.
Sistem Pemberian Air Dan Pupuk Pada Tanaman Melon Menggunakan Irigasi Tetes Ella Alfareza; Tati Erlina
CHIPSET Vol. 4 No. 02 (2023): Journal on Computer Hardware, Signal Processing, Embedded System and Networkin
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/chipset.4.02.107-118.2023

Abstract

Melon is one of the high value crops, so it needs to be empowered. Melon growth is closely related to the state of water, soil pH, and nutrients. A mismatch in water content causes stunted growth. Melon grow well in soil with a pH of 6-7, where nutrients are easily absorbed. Human has limitations in watering, fertilising and controlling the pH of the soil manually. Therefore, a system for automatic watering, fertilisation and pH control with drip irrigation is needed. This system uses Arduino Mega2560 as a microcontroller, RTC for scheduling watering and fertiliser, pH sensor for controlling soil pH, water level sensor to measure the contents of the container with notification to Telegram. In this research, the system succeeded in watering and fertilising on schedule with 100% time accuracy, and controlling soil pH with a pH measurement accuracy of 95.57%. The system also successfully detected the solution running out and sent the notification to Telegram. The melon plants grow faster using the system than manually, with a difference in plant height of 1.029 cm on day 7. Thus it can be concluded that the system for automatic watering, fertilising, and pH control of melon plants has been successfully built.

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