The article explains how to employ an ESP32 microcontroller with built-in Wi-Fi to collect temperature data from a BME280 sensor and transmit it to the cloud via Telemetry Harbor. This enables users to visualize temperature trends on a Grafana dashboard, offering real-time insights from anywhere. The project is structured for ease of implementation, requiring Arduino IDE or PlatformIO, specific libraries, and a Telemetry Harbor account. The guide serves as a springboard for developing more complex IoT applications, enhancing monitoring, automation, and analytics.
With an ESP32 and BME280 sensor, users can build a cloud-connected monitoring system that logs temperature data and visualizes it dynamically through Grafana.
This guide details the configuration of an ESP32 to collect temperatures from a BME280 sensor, transmit to Telemetry Harbor, and visualize the trends.
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