No abstract

Today's technology has developed rapidly with the Internet of Things (IoT) which is a concept that aims to expand the benefits of continuously connected internet connectivity. Internet of Things (IoT) is a development of network communication of interrelated objects connected through internet communication and can exchange data, turning it into information. Many tools are created to ease human work and even replace human work. Controlling room lights in a house using NodeMCU is one of the Smart Home technologies based on the Internet of Things (IoT). This research can provide information about the differences, advantages and disadvantages of Web, Thingspeak and Blynk applications for Smart Home devices to turn on and off house lights via the internet using laptops and smartphones. NodeMCU is a microcontroller that can be analogous to the Arduino ESP8266 board. NodeMCU includes ESP8266 and is packaged in a compact board with various features such as a microcontroller, WiFi access capabilities, and a USB data cable extension chip, which is used as a data cable and charging cable for Android smartphones. From the analysis results using the three platforms, it is known that Blynk is superior to the other two platforms because the way to create and operate is easier and more efficient

Pengenalan Emosi Wajah telah lama menjadi topik hangat dalam penelitian identifikasi pola komputer, dan saat ini tidak ada metode pengenalan ekspresi wajah yang memiliki tingkat pengenalan 100%. Jadi, meningkatkan tingkat pengenalan memerlukan pra-pemrosesan set data yang lebih baik, meningkatkan pendekatan ekstraksi fitur, dan memanfaatkan pengklasifikasi terbaik untuk pengenalan wajah. Penelitian ini bertujuan untuk meningkatkan pendekatan ekstraksi ciri untuk meningkatkan tingkat pengenalan sistem pengenalan ekspresi wajah. Fase penting dalam pengenalan gerakan wajah adalah ekstraksi fitur, yang menentukan tingkat pengenalan. Fitur harus diekstraksi dengan cara atau proyeksi yang berbeda untuk meningkatkan tingkat pengenalan, tetapi ada risiko mengembangkan redundansi, yang akan menurunkan tingkat pengenalan. Sementara Gabor memiliki varian fitur yang maksimal, ia memiliki kesulitan dengan dimensi dan redundansi yang tinggi. Beberapa strategi harus digunakan untuk mengurangi ukuran dan redundansi. Filtering adalah teknik pengurangan dimensi yang digunakan oleh Gabor. Oleh karena itu seluruh proses dikenal sebagai filter Gabor. Pengambilan sampel, pemfilteran rata-rata, dan teknik pemfilteran lainnya adalah contohnya. Fitur-fitur Gabor difilter menggunakan transformasi wavelet dan mendapatkan komponen optimal dari dataset wajah dalam teknik ekstraksi fitur Gabor yang diusulkan, memberikan tingkat pengenalan yang lebih tinggi daripada teknik ekstraksi fitur Gabor rata-rata dan teknik ekstraksi fitur penyaringan Gabor sampling pengenalan ekspresi wajah.

No abstract

When motorcyclists have an accident, they are at high risk of suffering severe or fatal injuries. The difficulty experienced by motorcyclists and considered one of the most complicated to do in an emergency is braking because motorcycle accidents are often caused by loss of control or stability when braking as evasive action. In the braking process, a motorcycle must pay attention to distance and speed so that the deceleration during braking is by the kinematic concept to avoid the shock force during braking, in this study uses research and development methods in making automatic braking systems on motorbikes. The actuator system controls the brake pedal, and the gas pedal uses a stepper motor. The two stepper motors will move automatically if the motorbike detects an object in front of it at less than 4 meters. The angle of the stepper motor that drives the brake lever is in a span between 0 degrees to 30 degrees, while the tip of motion of the stepper motor that moves the gas pedal is in a span of 0 degrees to 70 degrees. The angle movement of the stepper motor is influenced by the distance detected by the HC-SR04 type proximity sensor and the motorbike speed detected by the KY-003 type speed sensor, which works by utilizing the hall effect principle. The results of the tests that have been carried out show that the automatic braking system created can work well with an indicator that there is no shock force during the automatic braking process