This research aims to develop an affordable IoT-based solar cabinet dryer that integrates an advanced monitoring and control system by using an ESP32-based microcontroller, allowing for real-time measurements and recording of temperature, humidity, and product mass. . One such application is the solar cabinet dryer (SCD), a system designed to use solar energy as the primary heat source for drying materials. These dryers are an innovative solution to traditional drying methods that often rely on fossil fuels or electricity, both of which contribute to higher. . In this study, a low-cost solar cabinet dryer was fabricated by using the design of an existing solar cabinet dryer. The cost of fabrication was lowered by using locally available and economically viable materials. Then, an IoT-based system was developed using an ESP32-based controller board, to. . Solar energy is one of the alternative ways of conventional energy sources for the solar drying technique to reduce drying time, cost, and fuel consumption. The technological challenge is to enhance the drying cabinet temperature of the solar dryer for an effective and efficient way of drying the. . Solar cabinet dryers offer an eco-friendly and sustainable solution for drying agricultural products, utilizing solar energy to reduce moisture content. However, to match the performance of conventional drying methods, there is a need to enhance the efficiency of these systems. This research. . This study presents a performance evaluation of a solar cabinet dryer (SCD) enhanced with advanced composite materials to improve thermal efficiency and support sustainable drying applications. Conventional solar dryers are often limited by significant heat losses, uneven temperature distribution. .
