Figure 1. IoT board design developed to measure environmental values
The developed card has the ability to both collect and send media data to the upper layer and fulfill the order from the upper layer. For this reason, it can act as both a client and a server. The energy consumption and data transmission rates of the developed card are given in detail in the findings part of the study, both numerically and graphically.
Designed Edge Computing Architecture
It would be appropriate to examine the general architecture of the study in four main sections. The entire architecture of the study and the designed layers are shown in Figure 2. If we order these four parts hierarchically starting from the lowest layer, we can say that the node layer, the edge layer, the decision layer and the training layer. There is a semantic structure in this hierarchical order. It has been designed in line with the needs of the greenhouse areas selected for the test environment of the developed infrastructure. The configuration of the node layer, which is the most basic layer and created in the real greenhouse environment, will be explained. There are IoT_TH cards (N1, N2, Nn) in the node layer. As Ɐ(Nx) → ⱻ! (THx), each development board has a temperature and humidity sensor (TH1, TH2, THn). IoT_TH cards developed to receive environmental data are located at different locations of the greenhouses. In addition, there are heating and cooling systems connected to the IoT_TH cards that will be activated in line with the information coming from the upper layers.