ElecFreaks
Octopus Wind Speed Sensor Anemometer Three Aluminium Cups
This three-cup anemometer measures wind speed by generating a DC voltage proportional to the rotation speed of its aluminium cups. The faster the wind blows,...
This three-cup anemometer measures wind speed by generating a DC voltage proportional to the rotation speed of its aluminium cups. The faster the wind blows, the higher the voltage output — up to 1.2V at maximum speed. Simply read the analogue output with a microcontroller to calculate wind speed.
Designed with a rain-proof housing and a standard Octopus brick connector, it integrates easily with ElecFreaks Octopus series boards and other microcontroller platforms. The three 6 cm half-sphere cups are mounted at 120° intervals on a ~20 cm diameter rotor.
Key Features
- Analogue Voltage Output – DC voltage proportional to wind speed (up to 1.2V)
- Three Aluminium Cups – 6 cm diameter, mounted at 120° intervals
- Rain-Proof Design – Suitable for outdoor weather station use
- Octopus Brick Connector – Plug-and-play with Octopus series boards
- ±10% Tolerance – Suitable for educational and hobbyist weather monitoring
Specifications
- Cup Diameter: 6 cm
- Rotor Diameter: ~20 cm
- Output: DC voltage (0–1.2V analogue)
- Tolerance: ±10%
Ideal For
- DIY weather stations
- STEM education and science projects
- Environmental monitoring with micro:bit or Arduino
- Outdoor sensor networks
Jargon buster
Plain-language definitions for the technical terms used above.
- microcontroller
- A microcontroller is a small computer on a chip that runs your program and controls connected inputs and outputs. For this product, it is the part that reads buttons and sensors, drives the display and speaker, and communicates over Bluetooth.
- Tolerance
- Tolerance tells you how far the real resistance value may be from the printed value. A 1% resistor is useful when a circuit needs more predictable behaviour than a looser 5% or 10% part.
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Sensors & Input
Related Tutorials
Free guides on learn.littlebird.com.au
