Abstract
In the cultivation of teak plants often have problems because teak seeds have a thick and hard skin or impermiabel (difficult to penetrate) to water and gas so as to slow germination. The magnetic field can increase the growth rate in inactive seed seeds because the magnetic field affects the physical and chemical properties of water as a germination medium. Water exposed by the magnetic field can be absorbed easily with tissues in the seeds, thus shortening seed dormancy and increasing the percentage of seed germination. This study aims to understand the growth process of dormancy seed germination, To know the influence of magnetic fields on the growth of teak seed seeds, as a solution to the problem of seed dormancy in teak seed seeds. Therefore, the method used in this study is to provide exposure to teak seeds and make tools for monitoring teak growth in real time with the parameters of planting media moisture (to see the absorption of water) and high seeds (for the growth of teak seeds), so that used YL69 sensor for soil moisture and sharp infrared sensor gp2y0a02yk0f for high plants.
Highlights
This research aims to make a warning light with a microcontroller base as a control system
that are in use today
that it functions to reduce the number of accidents
Summary
Perlintasan kereta api adalah perpotongan sebidang perlintasan [1]. antara jalur kereta api dengan jalan. Isu yang menonjol Perkembangan teknologi dan transportasi saat ini pada perlintasan sebidang adalah tingginya angka menggunakan sistem kontrol sebagai salah satu kecelakaan lalu-lintas antara kendaraan dengan kereta penunjang yang kegunaannya sangat besar terutama api, terutama pada perlintasan yang tidak memiliki pada transportasi kereta api. Dalam penerapan sistem kontrol otomatis yang dapat membaca objek pada perlintasan kereta api pada saat melewati palang pintu perlintasan dengan berbasis mikrokontroler [2]. Penelitian ini bertujuan untuk membangun suatu sistem peringatan kereta api yang relatif aman dan murah dengan menggunakan sensor ultrasonik dan mikrokontroler sebagai pengendali sistemnya. Peringatan ini berfungsi mengurangi angka kecelakaan Untuk node sensor terdiri atas beberapa komponen, yang terjadi dan bisa di manfaatkan untuk perlintasan diantaranya Lora sebagai antenna komunikasi antara kereta yang masih belum ada palang pintu yang belum node ke server. Pada node sensor menggunakan sensor mundur yang digunakan untuk mendeteksi kereta yang lewat
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