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OpenDTU Hardware for Hoymiles HM 300-1500 with XXL Display and Enclosure

Introducing the OpenDTU hardware solution, designed to seamlessly connect with the Hoymiles HM 300-1500 solar inverter series. This advanced device features a XXL display and an enclosed design, ensuring durability and ease of use. The firmware is pre-installed with the latest version, allowing for a hassle-free setup and immediate data exchange with your Hoymiles inverter. With the ability to connect up to ten inverters, the OpenDTU is a powerful tool for monitoring and managing your solar system efficiently.

Key Features and Specifications

The OpenDTU is fully compatible with the Hoymiles HM 300-1500 inverters, excluding models with a "W" in the model number. This device offers a range of functionalities, including displaying and adjusting the inverter's current limit, toggling inverter on/off, and supporting multiple inverters simultaneously. It also features MQTT support with TLS, enabling secure communication. Other notable features include Home Assistant MQTT Auto Discovery, a user-friendly web app for data visualization, firmware updates via the web interface, and support for multiple languages (English, German, and French). The device also offers time zone support and a Prometheus API endpoint for advanced monitoring.

Practical Applications and Benefits

The OpenDTU is an invaluable tool for solar energy professionals and enthusiasts alike. Its comprehensive features make it ideal for monitoring and managing solar installations, providing real-time data and control at your fingertips. With its support for up to ten inverters, it is perfect for large-scale solar projects. The device's user-friendly web app and intuitive interface ensure that even those with limited technical knowledge can easily set up and operate the OpenDTU. Whether you are a solar installer, energy manager, or DIY enthusiast, the OpenDTU is the perfect solution to enhance your solar system's performance and efficiency.