Sensors & Accessories: Expansion probes, lightning detectors, air quality & mounting hardware
Extend your meteorological network with PM2.5 air quality monitors, multi-depth soil probes, lightning sensors, and heavy-duty tripod mounts.
Featured Hardware
Documented specs and compatibility for sensors & accessories use cases.
Ambient Weather WS-2902 (Osprey)
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All-in-one Osprey array with Wi-Fi color console
Ambient Weather WS-5000 Ultrasonic Pro
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Modular ultrasonic system with separated sensors and premium TFT console
Ecowitt GW3000 Wi-Fi & Ethernet IoT Gateway
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Advanced Ecowitt gateway with Ethernet, Wi-Fi, and microSD logging
Ecowitt WH51 Soil Moisture Sensor
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Capacitive soil moisture probe for Ecowitt RF gateways
Ecowitt WS90 7-in-1 Ultrasonic (WittBoy Pro)
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Ultrasonic wind and haptic rain outdoor array for Ecowitt RF gateways
Head-to-Head Comparisons
Ecowitt WS90 Ambient Weather Ecowitt vs Ambient Weather: Local Home Assistant vs All-in-One Console
Ecowitt WS90 with a GW2000/GW3000 gateway is a better fit when you want documented local Home Assistant integrations and modular sensor expansion. Ambient WS-5000 is a better fit when you want a polished console bundle with integrated display and are comfortable with AmbientWeather.net for cloud features — using Custom Server community tools if you require local push.
Ecowitt WS90 
Tempest Weather Ecowitt WS90 vs Tempest: Modular Gateway vs All-in-One Smart Home
Ecowitt WS90 with a GW2000/GW3000 gateway fits buyers who want documented local Home Assistant integrations and modular add-on sensors such as soil moisture probes. Tempest fits buyers who want a single outdoor unit with built-in lightning detection and documented Rachio smart irrigation integration.
Ambient Weather Ambient Weather Ambient WS-2902 vs WS-5000: All-in-One Console vs Modular Ultrasonic
The WS-2902 is the simpler Ambient bundle with an all-in-one sensor array and color console. The WS-5000 adds separated sensor placement, ultrasonic wind, a premium TFT console, and Ethernet on supported SKUs — a better fit when siting flexibility or winter wind sensing matters.