ArticleHardwareX2026
OpenWater Hub: An open-source hardware platform for marine robotics support and water quality data acquisition.
Article in HardwareX, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
At present, there is no single open-source electronic hardware platform that natively integrates 24 V industrial RS485 sensors with marine robotic and hydroponic actuation. Consequently, hardware fragmentation exists severely in underwater sensing and environmental monitoring. Researchers using benchtop calibration must purchase closed-source ecosystems with proprietary operating systems, limiting the use of custom control loops. Conversely, open-source embedded systems provide optimized low-voltage passive monitoring but lack sufficient power for heavy actuators. The OpenWater Hub (OWH) provides a centralized platform for these two areas to exist on one printed circuit board (PCB). The PCB features a 24 V pass-through bus that supports the heavy inrush currents of industrial RS-485 probes. A dual-ATmega128A topology is utilized to prevent serial polling delays from disrupting real-time motor control. The architecture consists of one chip that isolates Modbus communication for sub-millisecond parsing, and another chip that drives soft robotic fish and actuators via four 3.0 A PWM channels. The core board is configured to transform across four deployment variants: a benchtop logger, a portable field laboratory, an autonomous floating station, and a tethered robotic support hub. Modular UART sockets support telemetry via LoRa, Wi-Fi, Bluetooth, and cellular modules. The static baseline power consumption was 196.4 mW; after 240 h of thermal testing, the OpenWater Hub demonstrated
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Registered trials
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