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All Journal CHIPSET (Journal on Computer Hardware, Signal Processing, Embedded System and Networking)
Puteri Novani, Nefy
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Computer Science & IT Electrical & Electronics Engineering Engineering

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Design of Hand Sanitizing Device with Mist Spray Based On Microcontroller Kusuma Afdhal, Thirafi Hadi; Puteri Novani, Nefy
CHIPSET Vol. 6 No. 01 (2025): 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.6.01.94-102.2025

Abstract

The importance of hand washing habits as part of a healthy lifestyle is one of the basic hygiene practices that are effective in preventing the spread of disease and infection. In this study, the design and implementation of a hand sanitizer using a microcontroller-based disinfectant mist has been developed. The design of this system can be a solution to saving water when washing hands and increasing hand washing habits with the availability of this tool in public places. This tool uses a Passive Infrared (PIR) sensor to detect the presence of hands, then the mist maker will be active to produce mist from the sterilization fluid. The results obtained in this study indicate that the tool can detect hand movements with a range of 45˚ to 135˚. The mist maker produces mist at a rate of 183.323 ml/hour with a sterilization process of 15 seconds and converts 4.56 ml of liquid into mist when this tool is used. This tool is effective and efficient for use in public places.
Implementasi Smart Room Pada Ruangan Very Important Person (VIP) Berbasis Internet of Things (IoT) Arvan, Muhammad Haekal; Puteri Novani, Nefy; Hadelina, Rizka
CHIPSET Vol. 6 No. 02 (2025): 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.6.02.151-159.2025

Abstract

The development of an Internet of Things (IoT)-based smart room system in a Very Important Person (VIP) room was carried out using a NodeMCU ESP8266 microcontroller, a Passive Infrared (PIR) sensor, and the Blynk application. The system is capable of detecting human presence at a distance of up to 5 meters with a detection angle of 35°-145°, and automatically controlling electronic devices such as lights and music players. Additional manual control is carried out through the Blynk application for volume and equalizer settings. Testing shows that the system successfully reduces electricity consumption by turning off devices when no users are present. The PIR sensor detection success rate reached 98% in a 7 x 4 meter room, with a system response time of less than 2 seconds. The system also supports light control through two methods: input from the PIR sensor and the Blynk application. The overall implementation demonstrates operational efficiency, ease of management, and potential energy savings in an IoT-based VIP room facility.
Rancang Bangun Pengemasan Produk Kacang Goreng Otomatis Berbasis Mikrokontroler Hasanah, Yusni; Puteri Novani, Nefy
CHIPSET Vol. 5 No. 01 (2024): 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.5.01.49-57.2024

Abstract

The working system of this Automatic Fried Bean Product Packaging tool uses Arduino Mega2560 as a microcontroller, then a screw on the funnel to accelerate the descent of the product into the packaging plastic and prevent blockages, infrared sensors to detect product availability in storage containers. The tool made uses volume measurements to minimize error on the scales using a load cell sensors. The type of research used in making the final assignment is action research which is carried out carefully, logically and systematically. The conclusions of this research are (1) The system can detect the supply of fried peanuts in the funnel/silo using infrared FC-51 sensor with a distance range of 1 – 8 cm. (2) The system can read the mass input selected by user, namely 75 g, 100 g, and 150 g with a push button and displayed through the LCD. (3) The system can fill the fried peanuts into packages according to the mass that has been set through the KY-008 laser sensor and laser receiver, using the tube volume formula with a percentage error of 4.5% for a mass of 75 grams, 3.83% for a mass of 100 grams, and 5.41% for a mass of 150 grams. (4) The system can perform the package closing process using servo motors, heating elements, and stepper motors. The duration of time required by the heating element in gluing the plastic ranges from 3 to 4 seconds.
Sistem Pemandian dan Pembersihan Sangkar Burung Murai Batu Otomatis Berbasis Internet Of Things Savitri, Valiyana; Puteri Novani, Nefy
CHIPSET Vol. 5 No. 02 (2024): 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.5.02.132-144.2024

Abstract

This study designs an automated bathing and cage cleaning system for Murai Batu birds based on the Internet of Things (IoT) using the NodeMCU ESP32 microcontroller. The system integrates a turbidity sensor to monitor water clarity, an ultrasonic sensor to measure water level, and a load cell sensor to detect waste weight. Additionally, a PIR sensor is used to detect the bird's presence, while a stepper motor and relay are employed to automate the opening and closing of the door. Cage cleaning is performed by operating a belt conveyor driven by a DC motor, and water replacement is conducted using a water pump. All components are controlled by the NodeMCU ESP32, with monitoring facilitated through the Telegram application. The implementation results demonstrate that the system is effective, achieving sensor accuracies of 95.4%, 97.7%, and 97.36%, respectively, and providing convenience for bird owners in managing and monitoring the system remotely.
Co-Authors Arvan, Muhammad Haekal Hadelina, Rizka Hasanah, Yusni Kusuma Afdhal, Thirafi Hadi Savitri, Valiyana