Marine Assistant Mini Kit
The Marine Assistant Mini Kit is a DIY controller designed for basic reef aquarium control and automation. This compact yet powerful kit provides all the essential electronics and hardware to build your own fully functional Marine Assistant Mini unit. Requires a Home Assistant System with ESPhome installed.
What’s Included
Custom-designed PCB with all necessary electronics
Screws and threaded inserts for assembly
(Note: The 3D-printed case can be printed by the customer using provided STL files or purchased separately.)
Key Features
2 × 12V Switchable Outlets – control pumps, lights, or other accessories
2 × Float Switch Inputs – perfect for ATO (auto top-off) or water level monitoring
2 × DS18B20 Temperature Sensor Inputs – for precise tank and ambient temperature readings
1 × Leak Sensor Input – instantly detect water leaks for peace of mind
2 × Expansion Headers – connect future expansion modules or custom hardware
Technical Highlights
Stable onboard 5V voltage regulator for consistent performance
Integrated Real-Time Clock (RTC) for accurate timekeeping
Carefully engineered circuit for sensor reliability and noise immunity
Operates on 12V DC via standard barrel jack input (power supply not included)
Assembly & Support
This is a DIY soldering kit — ideal for hobbyists who enjoy hands-on projects. All components are through-hole and designed for easy assembly. Soldering service is available, add the service to your cart.
Extensive build guides, schematics, and video tutorials are available to help you complete your controller confidently.
