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Technological developments in the digital world have now begun to increase the use of operating systems such as Android which are often used on electronic devices such as smartphones and tablets, penetrating various fields of human life. The use of these devices is essential in facilitating various tasks, especially digital ordering and transactions. This integration provides better transaction protection, more effective usage, and benefits and convenience. Cloud computing makes it easy and efficient to integrate digital ordering applications into payment systems. Observations show that these integrations provide user convenience and purchase trends, assist marketing strategies, and generate more accurate business decisions. If carefully developed and implemented, this integration has great potential to change the way business is done in the digital age.    

Technological developments in the digital world have now begun to increase the use of operating systems such as Android which are often used on electronic devices such as smartphones and tablets, penetrating various fields of human life. The use of these devices is essential in facilitating various tasks, especially digital ordering and transactions. This integration provides better transaction protection, more effective usage, and benefits and convenience. Cloud computing makes it easy and efficient to integrate digital ordering applications into payment systems. Observations show that these integrations provide user convenience and purchase trends, assist marketing strategies, and generate more accurate business decisions. If carefully developed and implemented, this integration has great potential to change the way business is done in the digital age.    

The business of selling coffee in the world is growing more easily and quickly with the provision of a place which is usually called a cafe or shop. One of them is the Titik Hitam Nalar cafe in Jakarta, but the ordering process with customers takes longer to wait for orders and customer payments that are not neatly arranged create conditions that’s are not conducive, resulting in continuous negative criticism. Therefore, an application is needed that helps employees work in every part, both in terms of ordering, manufacturing, and payments, using the FIFO algorithm which focuses on which services are prioritized first in order to reduce negative sentiment from customers. The Android-based application was created by involving every design phase, making it easier for customers and employees to provide a service facility that works well and is suitable for use.  

Setiap harinya hampir semua orang selalu melakukan aktivitas sehari – hari berada di luar ruangan maupun diluar rumah seperti: bekerja, bermain, berlibur, maupun berolahraga. Ruangan yang ditinggalkan dapat menyebabkan terjadinya kehilangan barang akibat pencurian maupun terjadinya kerusakan pada barang yang ada di dalam ruangan. Sistem pendeteksi gerakan dan penangkap gambar ini dimaksudkan untuk membantu pemilik ruangan melihat apakah ada pergerakan manusia yang terjadi di dalam ruangan saat pemilik tersebut berada di dalam maupun di dalam ruangan. Perancangan alat pendeteksi gerakan ini  menggunakan sensor Passive Infrared (PIR), microcontroller ESP32-CAM, Relay, Buzzer dan MB102 Breadboard Power Supply. Sistem ini berbasis Internet of Things (IoT) dan menggunakan backend as a services (BAAS) sebagai media penyimpanan menggunakan Supabase, data yang disimpan pun akan ditampilkan di aplikasi smartphone, aplikasi tersebut dibuat menggunakan flutter, pada aplikasi tersebut pemilik rumah dapat melihat gambar, dan kapan terjadinya pengambilan gambar tersebut. Sistem pendeteksi gerakan manusia ini bekerja sangat baik, selain membunyikan alarm saat sistem mendeteksi adanya pergerakan manusia, sistem ini mengambil gambar yang dikirim ke aplikasi android dan memberi notifikasi. Dengan adanya sistem ini diharapkan dapat mengurangi kehilangan barang dan kerusakan pada ruangan

Technological advancements have significantly contributed to the robotics industry, yet mobility remains a challenge that can be addressed with mobile robots. In education, it is crucial to understand the basic principles of robotics and the use of related software and hardware. This research focuses on using a 4WD mobile robot as a learning tool. This robot offers flexibility and is easily controlled via a smartphone with built-in sensors. A smartphone application was developed using App Inventor, an open-source web-based development platform. The HC-05 Bluetooth module was used to connect the smartphone application with the 4WD robot. The goal of this research is to design innovative learning media to aid in understanding the concepts and control of the 4WD robot, as well as to increase students' interest and motivation in learning robotic systems. The results of the research demonstrated success in creating a 4WD robot prototype controllable via an Android smartphone. The distance between the Arduino and smartphone did not significantly affect the robot's movement, although communication was disrupted if the distance exceeded 10 meters. Directional control was achieved through the rotation of the right and left wheels, and sufficient power supply was needed to drive all wheels. Programming with C/C++ and Bluetooth communication functioned as planned. This innovative learning media is expected to help students understand and operate the 4WD mobile robot more effectively

In today's digital era, most people use smartphones for various purposes. In the laboratory field,  as an innovation in laboratory examinations, and as a form of community service to promote healthy living and change people's lifestyles, medical laboratory technicians play a role in creating medical record applications. The development of this application is based on the fact that patients often forget about the examinations they have undergone, making it difficult to accurately record medical history. The examinations conducted on patients are a benchmark for lifestyle patterns that should be carefully considered by patients. This attention begins with the periodic recording of health history, which should be done to anticipate spikes or abnormalities in the body's condition. The application system, created through a semi-automatic method for recording and reminding examinations, is able to minimize errors or inaccuracies in the examination results in the history, thus facilitating self-control of both lifestyle, examinations, and health. Medical record application software can provide health data from previous laboratory examinations and can provide reminders for the next scheduled examination."

This article aims to understand the impact of gadget use on  childhood as well as implement  solutions on the impact of gadget use on  childhood. This gadget is a medium  used as a  modern communication tool. Gadgets make human communication easier. Today, communication has become more advanced with the advent of gadgets. Among them, 4,444 are smartphones such as iPhones, Androids and laptops. In preschool psychology, development refers to children from 0 to 6 years old. The research method used is literary research. Results show that amenities impact  social development in young children. Excessive use of gadgets harms children's social and emotional development. Harmful effects of electronic device use on children include isolation, sleep disturbances, loneliness, violent behavior, reduced creativity and threats of cyberbullying. Solution to device use in  childhood by limiting device use, supervising children's screen time with parents who play a crucial role, and providing a schedule timely  when children play with devices, so that devices do not hinder young children's social development.

Currently, mobile technology developments are increasing rapidly. Crompton and Burke (2018) conveyed that smartphone as one of mobile technology is is rapidly advancing. Approximately 90% of students possessed a smartphone, and a few even had multiple mobile phones. (Wong et al., 2010; Bhati & Song, 2019). This study aimed to examine how the students perceive the utilization of “Splash” as a media on learning listening skill. Splash is one of android program that developed by the English team in Stekom University. It is made for improve students’ listening skill and grammar skill. This research used quantitative descriptive. The sample consists of 50 students who taken language class. The result showed that there are positive attitudes from the students about the usage of “Splash” to improve listening skill. They can use it every time and everywhere without worried running out of internet package because this application doesn’t need internet package to use. The students also found that the content of this application is interesting. They also got post-activity activities and tasks to help them improve their skills.

Aminah Islamic Hospital in Blitar City has workload problems, including calculations that are still done manually, long workload calculation formulas that also make it difficult for officers to carry out monitoring, rarely do evaluations resulting in uneven workloads, and. In this 4.0 era, it is possible to have an information system to assist in the process of calculating workload analysis. In making an information system analysis is needed according to user needs. Needs analysis is useful for determining what information systems should be done in a problem solving. This is done to identify strengths, weaknesses, and opportunities for improvement. The purpose of this study was to analyze the needs of the Android-based WMA (Workload Measurement Analysis) application for calculating workload analysis at RSI Aminah Blitar. This research method uses descriptive research with a qualitative approach. This study resulted in an analysis of the needs of the WMA application using an Android-based smartphone. The WMA application menu consists of a login display, data input, conclusion, and history so as to produce a WMA application that fits user needs to calculate workload requirements analysis at RSI Aminah Blitar.

Budaya Indonesia beraneka ragam mulai dari sabang sampai merauke . N amun, banyak masyarakat Indonesia yang belum mengetahui tentang kebudayaan Fakfak karena jarang diperkenalkan dan kurang terekspos di media. Dalam menghadapi perkembangan global saat ini, teknologi adalah saran a yang te pat untuk mengenalkan budaya secara menyeluruh. Dengan teknologi pula kualitas sumber daya manusia dapat ditingkatkan. Peneltian ini bertujuan untuk merancang bangun aplikasi pengenalan budaya di Kabupaten Fakfak berbasis android. Pemanfaatkan teknologi  dapat menjadi media pendukung untuk memperkenalkan budaya Kabupaten Fakfak sekaligus menjaga kelestarian Budaya. Metode yang digunakan dalam perancangan sistem adalah metode waterfall yang terdiri dari analisa kebutuhan, desain sistem, penulisan kode, pengujian sistem, dam pemeliharaan sistem.  Peneltian ini menghasilkan suatu aplikasi pengenalan budaya yang berisi informasi sejarah, bahasa, dan tari tradisional yang dapat diakses pada smartphone dan dapat digunakan oleh siapa saja kapan pun dan dimanapun berada.

Serasan Jaya 3 Building Materials Wood Depot is a business engaged in the sale of building material products, especially wood. Until now the Serasan Jaya 3 Building Materials Timber Depot only uses a manual sales and transaction system, which in this case requires a new breakthrough to keep up with technological developments that are developing in the current era because basically almost all ages demand something practical and easier. By looking at some of the existing problems, the researcher tries to design and build an information system for selling goods at the Serasan Jaya 3 Building Materials Wood Depot based on Android, therefore, the author chose this topic for a thesis entitled "Android-Based Sales Information System at Wood Materials Depot Serasan Jaya 3 Building With the Extreme Programming Development Method” which of course provides speed and convenience for the public to make transactions using mobile phones or mobile-based communication devices such as smartphones, tablets, gadgets, and so on. So that it can make it easy for the Serasan Jaya 3 Building Materials Timber Depot to promote products, product prices and make it easier for people to buy products and find out the prices of building material products from mobile devices. Android-Based Sales Information System at the Serasan Jaya 3 Building Materials Wood Depot was built using UML (Unifield Modeling Language) as its design mode and Extreme Programming as a system development method..

Technological developments are currently widely used by some people to commit cyber crimes, especially in this case using the .apk file. Android Package Kit / APK is an application format for Android-based smartphones. The number of victims arising from the phenomenon of file.apk fraud, so understandably there are still many who don't know about file.apk fraud. Therefore the designer makes a design for a media campaign as a means of preventing the phenomenon of file.apk fraud. The design method used is Design Thinking which is based on data obtained through questionnaires, documentation, and literature studies regarding the phenomenon of file.apk fraud. In the problem solving process, apply the 5W+1H analysis (what, who, when, why, where, and how). This design produces prevention media in the form of infographic posters.  

Each individual's interest in reading is different, it requires encouragement from both the individual himself and encouragement from outside. Interest in reading in Indonesia is classified as very low compared to other countries. This is also influenced by technology that is developing rapidly. People in Indonesia, especially teenagers, prefer playing on their smartphones rather than reading books. In developing reading interest, visualization plays an important role to create a strong bond between the reader and the text. The purpose of this research is to develop public interest in reading through the Android-based Book Reading application. The Book Reading application is an application that combines text in various types of books with pictures to make visualizations even more interesting. Baca Buku generally also has branching stories, which have different epilogues in each path. This makes Baca Buku different from other game categories because of the minimal interaction and focus on stories. The platform used is an Android-based smartphone. The Baca Buku application was created with the Ren'Py engine and converted into an APK using the Ren'Py Android Packaging Tool (RAPT). This research was conducted to find out what features in the Baca Buku application can increase public interest in reading, find out how the development of Baca Buku can increase public interest in reading, and find out whether the Baca Buku application can increase public interest in reading. The results of this study are to find out what features in the Baca Buku application can increase reading interest, and how to develop the Baca Buku application which can increase public interest in reading.

Effect of Application Usage “Hello English” Smartphone Based Android Against Upgrades Student Learning Outcomes in English Subjects in Middle School (Quasi-Experiments in Language Subjects English Class VII Students at Sidrap 1 Public Middle School) The research started with a lack of student learning outcomes with a percentage below 50% for English material, especially listening skills . Research done by using the experimental method. Planning is made such as using the Hello English Application based on Android and research instruments to support learning. The implementation of learning is passed properly starting from the initial activities (giving pretest questions), core activities (introduction, and use of the application Hello English) and closing activities (giving post test questions).  This shows that the use The Hello English application has the effect of increasing student learning outcomes in English subjects in junior high schools, specifically ability listening.

Sawangan Village, which is one of the villages in Kebasen District, Banyumas Regency, is one of the villages that focuses on reducing stunting rates. According to the interviews we conducted with Posyandu cadres, they experienced problems during the weighing and measuring process. So far, Posyandu cadres have had trouble in the process of weighing and measuring the height of toddlers, because the process is still using conventional tools. In the process of recording the growth and development of children under five is done by recording using a boloin in a book. Because the recording was done by hand, it was constrained by handwriting which was difficult to read. Based on these problems, Forum Group Discussion (FGD) activities were carried out, socialization and training on the use of digital scales, outreach and training on the use of the website-based “Smart Immunization Application” system and Android mobile. The number of participants in this activity was 17 people. Indicators of the success of the activities that have been carried out are coordination with partners, management of a team of lecturers as assistant partners, training on the use of digital scales, training and outreach systems. Based on the activities that have been carried out, it can be concluded that this activity is of interest to Posyandu cadres and parents of toddlers as evidenced by the enthusiasm of the participants. Obstacles faced are not all parents use smartphones, internet access, and constraints on parents' age.

Permasalahan jumlah kasus Pencurian Kendaraan Bermotor pada tahun 2017 terdapat 35226 kasus, tahun 2018 sebanyak 27731 kasus dan tahun 2019 terdapat 23476 kasus. Masih tingginya tingkat pencurian sepeda listrik di indonesia. Mudah dirusaknya pengaman sepeda listrik bawaan pabrik dengan menggunakan kunci T atau cairan kimia. Pengaman konversional pada sepeda listrik yang digunakan belum bisa mencegah tindakan pencurian, sebatas hanya menghambat. Informasi yang kurang lengkap menyebabkan kesulitan dalam proses pencarian sepeda listrik yang telah dicuri. Tujuan analisis sistem pengaman GPS tracker pada sepeda listrik, Pengujiban fitur-fitur yang dimiliki modul GPS tracker. Mengetahui titik lokasi kendaraan pada aplikasi GPS di smartphone android. Mengetahui koordinat garis bujur dan garis lintang pada aplikasi GPS. Perbandingan hasil titik koordinat dari aplikasi GPS dengan google maps. Menghitung tingkat keakuratan pada modul GPS tracker. Atas dasar permasalahan yang ada maka dikembangkan alat pengaman sepeda listrik yang menggunakan teknologi GPS dan smartphone android. Pengaman yang dapat melacak, menemukan, memonitor dan mengontrol sepeda listrik secara realtime dan live tracking menggunakan aplikasi berbasis android. Sistem pelacak kendaraan menggunakan GPS tracker dan GSM ini bertujuan untuk mengetahui posisi kendaraan pengguna, mematikan dan menghidupkan kendaraan yang dapat diatur menggunakan aplikasi dari perangkat smartphone android dan hasil pengujian perbandingan titik koordiant aplikasi GPS dengan google maps memiliki beberapa selisih angka yang berbeda. Tetapi tidak terlalu mempengaruhi lokasi sepedalistrik. Dari hasil perhitungan keakuratan koordinat modul GPS tracker dapat melacak koordinat GPS tracker dengan baik. Namun masih memiliki toleransi  keakuratan dengan rata-rata 10 meter. Hasil tersebut masih baik karena dari keakurasian GPS yaitu 3-12meter

Suara manusia memiliki banyak sekali karakteristik. Ada yang memiliki suara berat, suara yang lembut, suara yang tinggi, suara yang rendah dan lain sebagainya. Manusia dapat mengenali karakteristik suara tersebut dan mengerti hal-hal yang diucapkan. Berbagai inovasi telah dikeluarkan untuk merancang suatu kecerdasan buatan untuk mengerti arti ucapan yang diberikan oleh manusia. Hal ini menjadi ketertarikan bagi penulis untuk merancang sistem pengenalan suara. Rancangan yang dibuat penulis adalah membuat sistem pengenalan suara yang berbasis Google Speech API pada Smartphone Android untuk dapat mengendalikan sepeda motor dengan menggunakan teknologi Bluetooth HC-05 pada Raspberry Pi. Penelitian ini menggunakan 3 tahap pengujian. Pengujian pertama merupakan pengujian untuk mengetahui jarak ideal antara bibir dengan microphone pada Smartphone Android saat memberikan perintah kepada sepeda motor. Pengujian kedua dilakukan untuk mengetahui jarak ideal untuk berkomunikasi antara Smartphone Android dengan Raspberry Pi, dan pengujian ketiga adalah untuk merancang sistem keamanan tambahan dengan menggunakan sidik jari pada Smartphone Android. Hasil yang didapatkan pada pengujian pertama adalah persentase keberhasilan tertinggi berada pada jarak 5cm dengan nilai sebesar 99.17% dan tingkat terendah pada jarak 30cm antara bibir dengan microphone dengan nilai sebesar 78.33%. Pengujian kedua didapatkan hasil bahwa jarak maksimal untuk melakukan komunikasi antara Smartphone Android dengan modul Bluetooth HC-05 pada Raspberry Pi adalah sebesar 20m, lebih dari itu perangkat tidak dapat berkomunikasi. Pengujian ketiga didapatkan hasil bahwa selain sidik jari yang terdaftar maka user tidak dapat menggunakan aplikasi yang telah dirancang karena aplikasi akan melakukan looping secara terprogram.

In everyday life, trucks are used to transport goods. Not infrequently seen a lot of use of trucks that exceed the carrying capacity. Accidents on the highway include the impact caused by trucks that are overloaded or overloaded. The purpose of this study is to reduce the risk of accidents due to overloading or overloading. The truck load monitoring system aims to make it easier for truck users to see the truck load weight directly through a smartphone with an application. In addition, users can also see the excess weight of the load and there is an overweight indicator in the form of a buzzer. With this system, users can reduce the risk of accidents on their vehicles. This system consists of a load cell sensor and HX711 module as a weight detector, NodeMCU as a microcontroller and data transmission, firebase as a database, and android studio as a container for creating applications. Payload weight data can be monitored remotely or close according to the principles of the Internet of Things (IoT). The results of this study indicate that the system works well with the sensor accuracy level on the prototype truck 1 and truck prototype 2 above 95%. Writing data on firebase, reading firebase through the application and testing the buzzer has a 100% success rate percentage. There is no diference transmission delay between serial monitor and firebase.

Seiring perkembangan zaman dan teknologi yang pesat saat ini, dalamkehidupan sehari-hari manusia tidak pernah lepas dari aktivitasnya untuk berinteraksi dengan peralatan elektronik yang membantu dan mempermudah pekerjaan manusia. Salah satunya adalah brankas otomatis dengan keamanan menggunakan sensor facerecognition dan fingerprint supaya perhiasan dan barang berharga lainnya lebih terjamin keamanannya dengan sistem keamanan ganda pada brankas.   Proyek akhir ini bertujuan untuk mengembangkan sebuah teknologi yang memanfaatkan beberapa macam komponen sensor, dimana komponen sensor tersebut melibatkan sensor getar untuk mengirimkan sms gateway jika brankas berpindah tempat, dan sim800l akan mengirimkan titik kordinat brankas berupa sms gateway. Dan GPS akan melacak keberadaan brankas sesuai titik kordinat tersebut. Buzzer akan berbunyi untuk memberikan tandaatau notifikasi.

Pengelolaan sampah yang buruk telah menjadi permasalahan yang masih dialami  di seluruh dunia, tak terkecuali Indonesia. Pengedukasian mengenai pengelolaan sampah perlu ditingkatkan terutama pada anak-anak dengan memanfaatkan perkembangan teknologi yang ada seperti teknologi smartphone. Berdasarkan masalah tersebut, dikembangkanlah aplikasi edukasi mengenai pengelolaan sampah yang ditujukan untuk anak sekolah dasar dengan memanfaatkan teknologi Android dan machine learning. Dengan tingkat akurasi sebesar 90% pada training dan testing dataset, pemanfaatan teknologi machine learning ini akan efektif untuk membantu anak-anak dalam mendeteksi sampah yang ditemukan ketika bereksplorasi. penelitian ini menggunakan metode Waterfall yang terdiri dari 5 tahapan yaitu requirement,  design, implementation, testing dan maintenance. Dengan menggunakan metode pengujian Black Box dan Beta Test, hasil pengujian yang didapatkan pada pengujian Black Box telah memenuhi semua skenario yang ada, dan melalui Beta Test mendapatkan respons positif serta beberapa saran dari calon pengguna untuk pengembangan aplikasi kedepannya. Dengan hasil yang didapatkan, aplikasi edukasi mengenai pengelolaan sampah dapat menjadi sarana untuk membantu anak-anak dalam memahami betapa pentingnya pengelolaan sampah melalui media pembelajaran interaktif.