smart-cargo-monitor-dual-esp32

Real-time cargo telemetry with ESP32 uses ESP-NOW to transmit sensor data from container nodes to a gateway, which then relays it via GSM and MQTT to a backend. This architecture ensures reliable data transmission for logistics tracking even in transportation scenarios with intermittent connectivity.

ESP-NOW connects ESP32 container sensor nodes directly to a gateway without requiring a traditional network. The gateway then uses secure MQTT data transfer protocols to publish the aggregated sensor logs to an enterprise backend, enabling real-time cargo management workflows and GPS localization.

An ESP32 cargo monitoring system requires sensors for temperature, humidity, pressure, tilt, shock, and gas levels. These components connect to the ESP32 using hardware-specific pin configurations to continuously log environmental data and trigger alerts for temperature spikes or physical shocks during transit.

Yes, ESP32 modules support enterprise-grade cargo management by combining GPS localization with environmental sensor logging. The system implements secure MQTT data transfer protocols to support enterprise logistics workflows, providing real-time data acquisition and reliable transmission in transportation scenarios.

Configuring ESP32 hardware pins for cargo sensor logging requires mapping the specific environmental and communication modules to the correct GPIO pins. This hardware-specific setup enables the sensor nodes to collect data and transmit telemetry over ESP-NOW to the MPPTG-connected gateway.

ESP32 and ESP-NOW for cargo monitoring are limited by the range of the ESP-NOW protocol between container nodes and the gateway. While reliable for localized data transmission, the system depends on the gateway's GSM connectivity to successfully relay telemetry via MQTT to the backend server.