Development Of Hydro-Atomized Spraying System For A Controlled Environment Aeroponic Farm

Lim, Jia Qi (2012) Development Of Hydro-Atomized Spraying System For A Controlled Environment Aeroponic Farm. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Aeroponic system is a process that the plants growth in a soilless environment. The plants get the nutrition by spraying water and nutrient to their roots. Most of this system is using timer control spraying system. The water and nutrient will be spray to the roots according to the timer pre-set interval regardless to the humidity and moisture level of the system. In this case, the system will not be reliable. Therefore, a microcontroller controlled spraying system is proposed in this project. The microcontroller will automatic detect spray water and nutrient whenever humidity and moisture level inside the system are low and stop spraying when the level is saturated. The system detects humidity level by using an analogue capacitive humidity sensor placed inside the aeroponic chamber. Through research and study, the understanding of the theory and mechanism of the sensors and microcontroller are deeper. The understanding of the sensor is important in order to design an effective hydro atomized spraying system. Besides, several experiments will be conduct to understand the factor that will affect system humidity. By using drawing software and circuit simulation software, the hardware design and circuit design can obtain.

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