Developer Builds Open-Source ESP32 Gateway for Victron Solar Monitoring Without App

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A developer has created Victron Remote Gateway, an open-source ESP32-S3 based device that enables multi-device, app-free monitoring of Victron Energy solar equipment. The gateway connects to Victron devices such as BMV battery monitors and SmartSolar MPPT controllers via Bluetooth LE, then exposes data through a local web dashboard and MQTT. This addresses key limitations of the official VictronConnect app, which restricts Bluetooth access to one device at a time and lacks direct smart home integration. Users can connect the gateway to platforms like Home Assistant or Node-RED without relying on Victron's cloud-based VRM portal. The project is fully open source and available on GitLab, with a live demo hosted by the developer.

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