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In the current era, learning adheres to the 2013 curriculum which includes HOTS (Higher Order Thinking Skills) consisting of critical thinking competencies, creativity and innovation, communication skills, collaboration skills and selfconfidence. These five things need to be trained or improved for deaf children so that they can take part in learning well. So learning media products are made that can be used to recognize letters and numbers. This Learning Media is equipped with sign language to support the understanding of deaf children in addition, it is packaged with an attractive appearance so that deaf children are interested in learning it. Often in daily teaching and learning activities students still often experience problems in remembering the material being taught both in the introduction of letters and also the introduction of numbers and what becomes an obstacle for students learning must be done repeatedly so that they can remember it and can really understand what it means. being taught and also they are sometimes bored and lazy in learning. From the problems that occur above, it is necessary to have a learning media that can help children with disabilities, especially the deaf, especially for the introduction of numbers and letters so that they can easily understand and understand letters and numbers. not bored, bored and lazy in learning. Learning media in the form of an android application so that it can be used on smartphones which are currently very widely used by both teachers and parents of students with disabilities.

Tujuan dari penelitian ini adalah untuk mengetahui lebih jauh bagaimana implementasi kebijakan aplikasi e-kelurahan di Kelurahan Gunung Pangilun Kota Padang dalam rangka peningkatan pelayanan publik. Penelitian ini menggunakan metode penelitian kualitatif, yang menggambarkan subjek dan objek terhadap fakta yang ditemukan. Purposive sampling, atau metode pemilihan sumber data untuk diwawancarai dengan pertimbangan dan tujuan tertentu digunakan dalam penarikan informan dalam penelitian ini. Dalam penelitian ini, wawancara, studi observasi, dan studi dokumentasi digunakan untuk memperoleh data. Analisis data dilakukan dengan menggunakan teknik manual data analysis procedure (MDAP). Keabsahan data ini diuji dengan triangulasi sumber lalu kemudian dianalisis. Berdasarkan hasil temuan, dapat ditarik kesimpulan bahwa implementasi kebijakan aplikasi e-kelurahan di kelurahan Gunung Pangilun Kota Padang belum berjalan secara maksimal. Hal ini  karena belum terpenuhinya variabel-variabel teori kebijakan yang digunakan George C. Edward III, yaitu variabel komunikasi dan sumber daya, penyebabnya ialah terdapat kendala-kendala yang menghambat implementasi kebijakan aplikasi e-kelurahan diantaranya yaitu kurangnya pemberian sosialisasi dan informasi kepada masyarakat terkait, kurangnysa staff yang bertugas dalam membantu pekerjaan di kelurahan, sarana dan prasarana yang kurang mendukung, nik masyarakat yang tidak valid dan tidak terdaftar di Disdukcapil, aplikasi e-kelurahan yang belum sempurna, masyarakat yang tidak memiliki smartphone android, dan tidak lengkapnya syarat-syarat pengurusan surat masyarakat yang ingin mengurus ke kelurahan.  

The advances in mobile technology have created a new learning method known as mobile learning technology or mobile learning. This method utilizes the use of smartphones which have become part of the daily life of people of all ages and levels of education. in this mobile learning ,android platform is selected. The reason for choosing android is that it is the most popular mobile OS. This learning is designed to run on Android with the aim that it can be used easily and can be run at any time as long as you carry an Android cellphone and there is an internet connection. This application is addressed to the Persatuan pemuda sandya karya mandiri desa reksosari kec suruh kabupaten Semarang, which is an activity of a youth group that is trying to develop and improve their video streaming channel . they need learning to improve their digital video processing skills to improve the quality of their video output. because this youth union consists of various ages and various educational backgrounds, the making of learning videos must be easy to operate, easy to display and does not require complicated equipment. The development of this application is based on usability which is the most important aspect of an application.

The method of learning the universe at TK Pertiwi Bebengan, Kec. Boja, Kab. Kendal, Central Java is still simple, namely explaining the material by displaying a 2-dimensional still image. This makes students unable to see directly the process of rotation and movement of celestial bodies in the universe. For this reason, it is necessary to create an application that can display the process through 3D animated moving images using Augmented Reality (AR) based technology. The research method used is Prototype, while the architectural design uses UML and software applications using Unity3D, Vuforia, Photoshop CS6 and Blender. The final results of the study are 1) on testing application features made with Unity3D and Vuforia software can run well, 2) on device testing there are 2 out of 4 smartphones that cannot run the application so that a minimum specification of a smartphone is required, 3) on distance testing with a height of 20 cm, it requires the right camera tilt angle, which is between200 to 900. The conclusion of the research is that this application can run well on mobile devices registered in Google's ARCore database and minimum specifications of Android 8.0 Oreo. In addition, it is necessary to pay attention to the right camera tilt angle so that it can display 3D objects.

Perkembangan teknologi yang semakin maju khususnya dibidang elektronika dapat dimanfaatkan dari segala bidang misalnya perangkap tikus otomatis dengan memanfaatkan teknologi IoT yang dapat mempermudah pekerjaan manusia dan lebih efisien. Tujuan penelitian ini adalah untuk merancang dan membuat aplikasi pengendalian perangkap tikus berbasis Android. Pada arsitektur sistem menggunakan WiFi dan mikrokontroler untuk proses pengiriman data dari smartphone. Aplikasi Nangtik merupakan implementasi media IoT pada perangkap tikus otomatis. Aplikasi ini diharapkan dapat menjadi alternatif yang membuat penggunaan perangkap tikus otomatis ini lebih mudah dan ringan. Aplikasi dapat berkomunikasi dengan baik dengan perangkat keras. Waktu respon kontrol pengontrol perangkap tikus akan dipengaruhi oleh jarak antara smartphone dan perangkap tikus.

Most of people in the world are familiar with smart phones or smartphones, and because of their very complete and practical uses, smartphone users are always increasing every year. Smartphones are used for various types of activities such as for social media, for entertainment such as playing games, doing office work, even personal matters such as financial management applications. Therefore, an application was created that can support personal financial recording so that it can make it easier for users.

This service aims to provide knowledge and practice of making online art appreciation learning media during the COVID-19 pandemic based on Android smartphones. The use of android smartphones as a tool for making learning media is based on the consideration that android smartphones have increasingly diverse uses because they are supported by the availability of various applications. The training was conducted for middle school art and culture teachers in Karanganyar. Implementation of the training using the lecture method to convey theoretical material about learning media, discussions to determine the concept of learning media to be made, and assistance in making learning media based on Android smartphones. The results of the training in the form of learning media are then carried out field trials to determine the success and shortcomings. After the learning media is improved, the learning media can be used in online art appreciation learning. Keywords: learning media, art appreciation, android smartphone

Jamur tiram (Pleurotus ostreatus) merupakan komoditas pangan yang sangat diminati masyarakat selain kandungan nutrisinya yang tinggi jamur tiram juga dapat diolah menjadi berbagai ragam makanan, Jamur tiram tumbuh baik pada temperatur 16 - 30°C dan kelembaban relatif 80 – 95%, Intensitas cahaya yang optimum bagi jamur tiram yaitu intensitas cahaya rendah, atau bahkan tanpa adanya cahaya. Akan tetapi, pada saat fase tubuh buah dewasa jamur tiram tidak dapat tumbuh pada kondisi cahaya gelap, melainkan dapat tumbuh dengan optimal pada lingkungan yang agak terang. Menyikapi masalah diatas maka dari itu penulis ingin mencoba melakukan percobaan penelitian dengan menerapkan pencahayaan dalam ruangan (box) dengan tiga jenis warna lampu yaitu merah (Red), hijau (green) dan biru (blue). dan perlu adanya suatu alat yang dapat melakukan monitoring, serta pendataaan pertumbuhan tanaman jamur tiram yang kemudian akan diambil datasetnya. Alat monitoring dan pendataan secara realtime dengan menggunakan multi sensor berbasis arduino untuk pendataan pertumbuhan jamur tiram ini dibuat sistem aplikasi android sebagai media untuk pemantauanya, data yang ditampilkan di aplikasi monitoring adalah hasil pembacaan dari beberapa sensor yang dipakai antara lain dari sensor load cell, sensor ultrasonik, serta sensor LDR dan sensor DHT11, Sistem monitoring dan pendataan multi sensor ini juga memiliki fitur untuk melakukan penyimpanan data, hasil data disimpan di penyimpanan internal smartphone, sehingga dari data tersebut dapat digunakan sebagai bahan untuk mengambil keputusan dari obyek yang sedang dimonitoring tersebut.

The purpose of this thesis is to produce tangible results in providing comfort or convenience in controlling electrical appliances, including turning on or off lights at home and controlling other electrical appliances. The method used in making the Design of Control System for Electrical Equipment Using Bluetooth Based on the Atmega 328 Microcontroller is a prototype. This research method consists of several stages, library research, analytical methods, design and implementation methods. The results achieved are reducing the number of fires due to electrical short circuits and increasing aspects of comfort and convenience for users as well as people with disabilities and the elderly, who find it difficult to stand or to reach lights and the implementation of infrastructure devices, where a series of these tools can work after bluetooth devices are available in the community. android smartphones. connected to the bluetooth module connected to the arduino microcontroller. Basically, using the principle of this tool, the user must be able to operate a smartphone based on the Android operating system. The conclusion is that this equipment has been tested and can be used as a controller of power tools with a lightweight android smartphone via a Bluetooth connection without having to press the switch button.

The development of technology allows one to obtain other people's spatial position data. One mobile technology that utilizes spatial data as a supported factor is location-based services. The large number of employees at the PT.XYZ causes the presence of a controlled process to be under control, and even tends to be questioned. Because it takes a GPS-based presence system on android that is expected to be a solution of the problems that occur at this time. The system development method used is a six-step R&D method, consisting of: Research and information gathering, Planning, Development of initial product forms, initial field testing, major product revisions, main field testing. The final result is the prototype of the Ganesha Employee Presence System Operations. The test results on the system shows the employee attendance system can run on the android platform. The system only responds to presence based on the position of the employee's coordinates with office coordinates. Besides checking the presence process is also based on devices that have been approved in the system. 

Augmented Reality (AR) and Virtual Reality (VR) which are one of the top ten strategic technology trends for 2019 and continue to be developed massively in this 2020, have been widely applied in various mobile applications by many companies in this industrial revolution era 4.0. AR can be applied to help the promotion for housing developers where users can see the 3-dimensional shape of the types of houses offered, while VR allows users to explore each part of the house in a virtual 3D. Pre-existing brochures are used as markers for this application to work, so that AR and VR applications can be a complement to promotional media. The design method used in this paper is Research and Development (RnD). Salespeople can offer types of houses to prospective customers without having to print multiple brochures, but with just one brochure and one android smartphone to present, so the promotion costs are more efficient.   Keywords: AR, VR, house.

The development of smartphones today is very rapid and can not be separated in everyday life in finding information or making information and in all fields of work requires communication tools to access data and information, it is no wonder in terms of smartphone work being an inseparable part separate, this research I use smartphone especially Android which is currently one of the operational systems that are commonly used by the public especially Indonesia so that it can be used to help team performance in the field in this case Merchandiser in conducting Data Processing Asset Material Promotion Using Qr Code to monitor and control the allocation of promotional material assets in the field to facilitate reporting of promotional material assets. QR Code is a two-dimensional matrix code or barcode that comes from the word "Quick Response", where the contents of the code can be deciphered quickly and precisely, Optimizing the use of applications in this case QR code to facilitate monitoring and control of promotional materials in the field which will help merchandiser to help make it easier to do work in the field and directly connected to the admin computer at the head office, so it will be easy, fast, and accurate.

The purpose of this research is to produce tangible results in providing comfort or convenience in turning on or off the night life at home everyday, especially for people who forget to turn off the lights. The method used in making microcontroller-based home lighting control using an android smartphone is. This research method consists of several stages, analysis methods, design methods, implementation testing methods, and maintenance. The results achieved are improving the aspects of comfort and convenience for agencies, where this series of tools works after bluetooth devices are available on android smartphones. connected to a bluetooth module which is connected to the Arduino microcontroller. Basically, the principle of using this tool is that users must be able to operate a smartphone based on the Android operating system. The conclusion of this research is that the Arduino-based light control device using bluetooth can fulfill its function to control the lights properly and the device is designed to be minimalist and safety so it is safe to use.

Sejalan dengan era global ini, saat dibutuhkan informasi yang bersifat mobile. Kemudahan dankecepatan akses saat ini sangat didukung dengan berbagai sarana seperti smartphone. Semakin lama banyakorang yang bermigrasi dalam pemenuhan kebutuhan informasi dari komputer beralih ke smartphone. Halini dikarenakankemudahan dan kepraktisan dalam menggunakannya. Orang tidak harus mengotonggotong laptop dalam mencari informasi, tetapi informasi saat ini telah dalam satu genggaman tangan.Sistem informasi ini dibangun guna mendukung kebutuhan informasi bagi penyelenggarapemerintahan dalam membuat suatu keputusan, adapun informasi yang diolah saat ini berdasarkan kartukeluarga. Aplikasi ini membangun informasi kependudukan pengolahan data perjenis kelamin, programpengolahan data tempat kelahiran, program pengolahan data tahun kelahiran, program pengolahan dataagama, program pengolahan data pendidikan, program pengolahan data status pernikahan, programpengolahan data status hubungan, program pengolahan data kewarganegaraan, program pengolahan dataPekerjaan serta updating data pada kartu keluarga. Hasil dari sistem menunjukkan bahwa kemudahandan validitas data sangat bergantung pada database yang diolah. Sistem ini mampu menyajikan dataolahan yang sangat dibut uhkan oleh para pemanggu pemerintahan. Dari tingkat RT hingga tingkatkecamatan bahkan tingkatan yang lebih tinggi.