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OpenDTU on Battery / Zerosolar PCB
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A housing for the OpenDTU on battery for the Zerosolar board with CMT2300A, ready for connection to the battery CAN bus.
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Informacje o modelu
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- Printables
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- Electronics
- Licencja
- Creative Commons — Attribution — Noncommercial — Share Alike
This is my personal solution for the Zerosolar CB Rev. 5 with CMT2300a that I bought for my Hoymiles inverter.
✅ Compatibility
- Designed for SZ-OpenCB-V.5_0 by Nick Förster (2024)
- Compatible with ESP32 and CMT2300a radio module
- Intended for Hoymiles inverter integration
🔧 Mounting Details
- The CAN bus connection is routed via an angled pin header, discreetly installed underneath the ESP module.
- Exact mounting positions and details are available in the original model documentation.
🛠 Recommended Print Settings
- See recommendations in the base model (OpenDTU on Battery / Zerosolar PCB)
- Optimized for standard FDM printing
- PETG recommended for durability
🌦 Use Cases
- Designed for PV monitoring with Hoymiles inverters
- Suitable for indoor or semi-sheltered installations
- Integrates cleanly into existing OpenDTU setups
🧩 Design and Functionality
- Compact design adapted specifically for the Zerosolar Community Board Rev. 5
- Hidden CAN bus routing for minimal cable clutter
- Compatible with other models from the OpenDTU/Zerosolar ecosystem
- Please refer to the main version for full wiring and functionality details