Department of Electrical Engineering, University of Córdoba, Campus de Rabanales, 14071 Córdoba, Spain.
Department of Computing and Numeric Analysis, University of Córdoba, Campus de Rabanales, 14071 Córdoba, Spain.
Sensors (Basel). 2020 Feb 5;20(3):846. doi: 10.3390/s20030846.
The control of refrigeration in the food chain is fundamental at all stages, with special emphasis on the retail stage. The implementation of information and communication technologies (IoT, open-source hardware and software, cloud computing, etc.) is representing a revolution in the operational paradigm of food control. This paper presents a low-cost IoT solution, based on free hardware and software, for monitoring the temperature in refrigerated retail cabinets. Specifically, the use of the ESP-8266-Wi-Fi microcontroller with DS18B20 temperature sensors is proposed. The ThingSpeak IoT platform is used to store and process data in the cloud. The solution presented is robust, affordable, and flexible, allowing to extend the scope of supervising other relevant parameters in the operating process (light control, energy efficiency, consumer presence, etc.).
在食品链的各个阶段，特别是在零售阶段，对制冷的控制都是至关重要的。信息和通信技术（物联网、开源硬件和软件、云计算等）的实施正在代表食品控制操作模式的一场革命。本文提出了一种基于免费硬件和软件的低成本物联网解决方案，用于监测冷藏零售陈列柜中的温度。具体来说，提出了使用 ESP-8266-Wi-Fi 微控制器和 DS18B20 温度传感器。物联网平台 ThingSpeak 用于在云端存储和处理数据。所提出的解决方案具有强大、经济实惠和灵活的特点，允许扩展在操作过程中监视其他相关参数的范围（灯光控制、能效、消费者存在等）。
