Cloud-Integrated BLE Temperature Control and Monitoring System for Portable Transport of Temperature Sensitive Goods

An energy-efficient BLE-based real-time monitoring and logging system with temperature control for cold chain management of temperature-sensitive goods like vaccines and perishable items. Using an nRF52840 dongle running Zephyr RTOS, the system enables low-power Bluetooth communication. An Android application for continuous data visualization and compliance documentation. A PID-controlled Peltier module ensures precise, real-time temperature regulation and refrigeration with no moving parts, overcoming passive methods like ice packs while offering a cost-effective alternative to refrigerated transport. The COP of peltier device of proposed system has 2.1 units. This compact solution eliminates the dependency on Wi-Fi or cellular networks, making it ideal for e-commerce logistics and sensitive product transit.