Tag: wh1081

Raspberry Pi reading WH1081 weather sensors using an RFM01 and RFM12b

This article describes using an RFM01 or RFM12b FSK RF transceiver with a Raspberry Pi to receive sensor data from a Fine Offset WH1080 or WH1081 (specifically a Maplin N96GY) weather station’s RF transmitter.

I originally used the RFM12b, simply because I had one to hand, but later found that the RFM01 appears to work far better – the noise immunity and the range of the RFM01 in OOK mode is noticeably better.  They’re pin compatible, but the SPI registers differ between the modules, in terms of both register-address and function.

This project is changing to be microcontroller based, and using an AM receiver module (Aurel RX-4MM5) – a much more effective approach – arduino-yun-reading-wh1080-using-aurel-rx-4mm5. Currently testing on Arduino Yun, but will probably move to a more platform agnostic design to support Dragino and Carambola etc.

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