Traditional printed circuit board (PCB) laminates such as FR4 types are formed using epoxy resin and glass fiber. The most important problem with waste PCB laminates is that their recycling cycle is too long. Herein, we aimed to show whether it is possible to use plant-based fibers instead of petroleum-based fibers. In this study, we have fabricated alternative eco-friendly Luffa fiber-reinforced/epoxy PCB (Luffa-PCB) laminates using Luffa fiber instead of glass fiber. We examined the properties of Luffa-PCB laminates for potential applications as PCBs in terms of frequency dependence of dielectric permittivity, capacitance, ac conductivity, impedance, and electric modulus by using impedance spectroscopy method in a frequency ranging from 10 Hz to 10 MHz. Furthermore, we investigated the electrical resistivity properties of Luffa-PCB laminates using electrometer/high resistance meter and resistivity test fixture. All the results were compared with commonly used FR2- and FR4-type PCB laminates. According to the results obtained, it has been found that the produced Luffa-PCB laminates have adequate properties as an alternative to traditional laminates. Thus, a very important step is taken to solve the recycling problem by using plant-based fibers instead of glass fibers.

Engineering can enhance students' theoretical knowledge and practical application skills when integrated into K‐12 education. This approach encourages students to contemplate technology and engineering in more depth. Field programmable gate array (FPGA) technology training is becoming increasingly important, especially for vocational high school technical teachers. This study focuses on providing FPGA technology training to these vocational and technical teachers. The aim is to improve their theoretical understanding of FPGA digital design and practical application skills. By incorporating the latest technology into their courses, educators can offer students in‐depth learning and practical experience in electronic engineering and digital design. The training program covered the basics of FPGA, its applications, and how it can benefit vocational high schools in laboratory environments. A total of 34 technical teachers participated in the training program. The effectiveness of the program was evaluated through pre‐ and posttraining questionnaires. The results showed that most of the questionnaire items were statistically and practically significant and varied according to the teachers' department, teaching experience, and level of education.

Konuşma sesi bozuklukları bireylerin akademik ve sosyal çevrelerinde psikolojik sorunlar yaşamasına neden olabilmektedir. Dil ve konuşma terapistlerinden profesyonel destek alan bireylerin bu kusuru düzeltmeleri mümkün olmasına rağmen, terapinin kısa sürede olumlu sonuçlar vermesi daha çok bireylerin kendi çabalarına bağlıdır. Terapistlerin bireylere ayırdıkları zamanın kısıtlı olması da göz önüne alındığında bireysel çalışmaların önemi artmaktadır. Bu çalışmada, EasyVR konuşma tanıma modülü Arduino Uno ile bütünleştirilerek bir ses işleme konuşma tanıma sistemi oluşturulmuştur. C# nesne yönelimli programlama dili kullanılarak kullanımı kolay Türkçe bir eğitim platformu hazırlanmıştır. Böylece bireylerin istedikleri zaman ve ortamda çalışmalarını gerçekleştirmelerine olanak sağlanmıştır. Sistem “r” sesinin artikülasyon probleminin düzeltilmesine yönelik olarak 3 zorluk seviyesinde 30 kelime ile test edilmiştir. 30 kişi üzerinde yapılan testler sonucunda, “r” sesi iyileştirme süreçlerinin bu eğitim platformu ile desteklendiğinde hızlandığı gözlenmiştir.