Mark I think wind speed is also in Bueforts. Pretty sure thats misspelled. Regards
On Fri, May 23, 2014 at 9:16 PM, Mark Sims <hol...@hotmail.com> wrote: > I am building a weather sensor that includes a ultrasonic anemometer to > measure wind speed, direction, and air temperature. It uses 4 cheap ($1 > each) HC-SR04 ultrasonic rangefinder modules that output a pulse width > proportional to the time of flight of the sound signal (topic is time nut > related since it simultaneously measures the speed of sound in 4 > directions to a pretty good accuracy/resolution using a cheap-ass > microprocessor - ATMEGA328 (like and Arduino)... and does so without using > any counter-timer channels). > Now the question... I would like it to be able to output data in imperial > or metric units. In what units is the typical wind speed reported > (meters/sec, km/hour, ?). Also air pressure > (millibars/hectopascals/pascals/?). > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.