Deskripsi
OLMOS is a system that functions to monitor oxygen levels in water. This system can be applied to hydroponic plants to monitor plant growth based on oxygen levels in the water. Figure 1 shows the device of OLMOS that consists of ESP32 which is connected to an expansion shield, an aerator that will help aeration in hydroponics, a connector used for dissolved oxygen (DO) sensors, a connector for temperature sensors, and a relay. All these components are connected to each other using jumper cables.
