Abstract
IoT designers face the dual complexity of obtaining good application-level performance and user satisfaction under constraints on computing and power resources. We introduce a new IoT device for paper roll supply management in bathrooms and kitchens, both for homes and businesses, that is extremely cost effective and battery power-efficient. The device can be installed on practically any paper roll dispenser and makes use of existing Wi-Fi infrastructure. Despite Wi-Fi’s reputation as “unsupportive for power saving,” we introduce and experimentally validate a methodology for using Wi-Fi networks with low power utilization, resulting in a system that provides very good management of paper supplies while only requiring battery charging once every 3–4 months. The new device has the potential to provide more households and businesses with real-time, data-driven automated supply chains.
Highlights
This paper introduces a new Internet of Things (IoT) device that enables the automation of paper supply management, giving homeowners and facility management staff real-time information about supply status and enabling the automatic ordering of supplies as needed, allowing appropriate scheduling of refill actions and ensuring the smooth operation of kitchen and restroom services at low cost
To the best of our knowledge, no researcher has investigated low power, cost effective IoT-based tissue paper monitoring systems that can be mounted on existing tissue dispensers
If the measured battery voltage is less than 3.1 V, the ESP32 publishes a “0” message to a message queuing telemetry transport (MQTT) topic, and the battery voltage than 3.1 V, the ESP32 publishes a “0” message to a MQTT topic, and the battery voltage status is shown as low on the Grafana dashboard
Summary
Businesses and households are continually looking for the improved management of facilities and operations. Some operations, such as bathroom and kitchen supply management, lack cost effective automation in many households and businesses. This paper introduces a new IoT device that enables the automation of paper supply management, giving homeowners and facility management staff real-time information about supply status and enabling the automatic ordering of supplies as needed, allowing appropriate scheduling of refill actions and ensuring the smooth operation of kitchen and restroom services at low cost. The system uses message queuing telemetry transport (MQTT) combined with a web dashboard, allowing users to monitor paper supply and battery levels anywhere and at any time.
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