The GrowBot is automated with sensors and actuators to become a robotic system for the control of the growth of plants growing in a water solution (hydroponics (With hydroponics, soil borne diseases and pests are avoided, less water for growing is needed, and, in some cases, hydroponics may result in faster growth rates and increased yields )). The environmental conditions are made fully controllable in a tabletop-sized robotic greenhouse called a GrowBot. It is the aim of the work presented here to develop an educational robotic system, which permit students hands-on experimentation with food plant growth through the programming of environmental conditions. Further, the pilot experimentation in school settings indicates that the comprehensive system design method results in a deployable system, which can become well adopted in the educational domain.ĭespite the user-friendliness of these educational robotic systems, it can often be challenging for teachers to apply the systems in the school curriculum beyond the technical domain, for instance when teaching about food, healthy eating, and biology. An experiment with nine GrowBots shows that the different parameters can be controlled, that this can control the growth of the food plants, and that control to make an environmental condition with blue light results in higher and larger plants than red light. The GrowBot system also allows the user to monitor the environmental conditions, such as CO 2 monitoring for photosynthesis understanding, on both the touch display and the remote web–interface. This allows school pupils to easily program the GrowBots to different growth conditions for the natural plants in terms of temperature, humidity, day light cycle, wavelength of LED light, nutrient rate, etc. Inspired by educational robotics, we developed user-friendly graphical programming of the GrowBots on several means: a touch display, a micro:bit, and a remote webserver interface. The GrowBot includes sensors for humidity, CO 2, temperature, water level, RGB camera images, and actuators to control the grow conditions, including full spectrum lights, IR lights, and UV lights, nutrients pump, water pump, air pump, air change pump, and fan. The GrowBot is a tabletop-sized greenhouse automated with sensors and actuators to become a robotic system for the control of plant’s growth. We present the GrowBot as an educational robotic system to facilitate hands-on experimentation with the control of environmental conditions for food plant growth.
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