Has anyone has managed to reverse engineer the serial protocol used by the La Crosse anemometers? I’m referring here to the connection between the anemometer and the wireless transmitter unit, NOT the computer connection to the base station. The reason I want to access the data at this point is that the anemometer transmits wind speed data to the wireless transmitter every couple of seconds but the base station only transmits data to the computer every 32s and I wish to log more rapidly than this.
From looking at the 4 wires emerging from the anemometer I have deduced that one is power (~2.4V), one is ground, one is serial data (seems to be about 32 bits with the first 8 bits relating to the wind direction) and the last seems to always sit at 0 volts.