Know the wind at your spot
WindNerd is a live wind station you 3D-print and build yourself: accurate, repairable, and truly yours.
Buy once, own it for good
- Integrates with everything: connect through open APIs or ready-made protocols for Home Assistant, Windy, WindGuru and more
- No cloud lock-in: run it on windnerd.net, other weather sites or fully offline, your data stays yours
- Repairable for pennies: every part can be reprinted or replaced

Refined Design, Simple Assembly
Designed for long-term outdoor use, maintainability, and ease of assembly.
- Low-friction polymer bearings, rust-free, long-lasting and maintenance-free
- Lightweight structures for high sensitivity and minimal bearing load
- Fully magnetic sensing, no sensors to wear out
- All sensors integrated on a single PCB
- Parts designed to print easily in PETG, even on entry-level FDM printers
- Can be assembled with just glue and a screwdriver
Find the right kit
OnSpot
Remote sites
Paragliding takeoffs, kitesurf spots, or wind observation at any point of interest — solar powered, LTE connection with any SIM card.
HQ
WiFi, with or without cable
Packed with features and can run on solar power, for when running a cable isn't convenient, or when you're very serious about the wind.
Node
Made For ESPHome
For Home Assistant and custom projects, shipped with ESPHome pre-installed. Expandable into your own DIY weather station.
Core
Makers & tinkerers
An open, hackable wind sensor: serial output, expansion headers, programmable with Arduino IDE.
Compare all boards
All board versions are designed to fit the same 3D-printed anemometer — swap or upgrade your sensor board without reprinting anything.
Connectivity
Core | Node | HQ | OnSpot | |
|---|---|---|---|---|
| Interface | Serial / GPIOs | WiFi | WiFi | LTE (cellular) |
| Windnerd.net | * | * | auto | auto |
| Home Assistant | * | auto | ✓ | - |
| Windy / WindGuru / Wunderground | * | * | ✓ | * |
| MQTT / HTTP API | - | * | ✓ | * |
| NMEA 0183 | * | * | ✓ | - |
* Requires reprogramming or tinkering
Features
| Core | Node | HQ | OnSpot | |
|---|---|---|---|---|
| High definition wind reporting | ✓ | ✓ | ✓ | ✓ |
| Solar compatible | ✓ | - | ✓ | ✓ |
| Arduino IDE | ✓ | ✓ | - | ✓ |
| Cloud dependency | - | - | - | - |
Solar compatible boards can be paired with our Sunbank 2W solar power kit for fully wireless or off-grid operation.

windnerd.net: a powerful wind-reporting platform
All WindNerd anemometers can stream wind in high resolution to windnerd.net — get precise, real-time insight into current conditions, and interactive visualizations to analyze past trends.
53 public stations reporting live in 21 countries
And many more running privately — sharing is optional, your wind data stays yours.

Ready to build?
Explore the docs, join our community on Reddit to see how others are using their devices, and visit our shop with worldwide shipping.
Core
Node
HQ
OnSpot