Abstract
The development of the Internet and the technologies associated with it has allowed disseminating and cheapening of communication equipment, prototyping services, electronic sensors, and all types of devices. Agriculture has benefited from these technological advances to boost its productivity and profitability. This study presents the development of a data acquisition and device control platform to obtain, in real-time and remotely, information from the field for decision-making and process automation. All electronic components are low-cost and “open hardware”, and the software is “open-source”. The developed platform was validated during a development cycle of two lettuce varieties (Japanese and crisp), in which the soil water matric potential was monitored at two depths (10 and 25 cm), while solar irradiation, air temperature, and soil temperature were evaluated only to monitor the cycle. The platform automatically and satisfactorily controlled the applied irrigation depths using only the data of matric potential by activating a solenoid valve and made the information from the sensors available on the ThingSpeak Internet of Things (IoT) platform.
Highlights
In Agriculture 4.0, having reliable, real-time data has become a widespread requirement to minimize risks, maximize production results, and increase farm profit (Rawal, 2017)
This study aimed to develop a robust data acquisition platform, easy to install, operate, and maintain, autonomous in terms of energy, in addition to being of low cost and able to work under adverse weather conditions
The uniformity coefficients of the irrigation system determined in the evaluations were all higher than 90% (Table 1), being classified in the literature (Bralts, 1986; Sobenko et al, 2020) as excellent
Summary
In Agriculture 4.0, having reliable, real-time data has become a widespread requirement to minimize risks, maximize production results, and increase farm profit (Rawal, 2017). In this context, the use of Internet of Things (IoT) tools is important (Kansara et al, 2015), as currently almost all devices can be connected (Estevam et al, 2019). The monitoring and control of the irrigation of the lettuce crop are presented and discussed to validate the system
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