Search found 3 matches

by vgatesr
Mon Jun 06, 2016 2:20 pm
Forum: Sensors
Topic: Zero wind adjustment(nan)
Replies: 1
Views: 2210

Zero wind adjustment(nan)

I have two ver C wind sensors. One works as advertised. The other gives me a value of "nan" with a cover over sensor. Values look like: start WindSpeed MPH nan WindSpeed MPH nan WindSpeed MPH 9.84 WindSpeed MPH 10.81 WindSpeed MPH 8.29 WindSpeed MPH 7.01 WindSpeed MPH 0.74 WindSpeed MPH nan WindSpee...
by vgatesr
Tue May 31, 2016 5:57 pm
Forum: Sensors
Topic: Wind Sensor rev C zero wind adjustment
Replies: 2
Views: 2941

Wind Sensor rev C zero wind adjustment

I have tried to adjust the "const float zeroWindAdjustment = 0.2;" to get 0.0 mph. With the sensor covered by a "glass". I get "nan mph" for a value. What am I doing wrong? I am using the sketch as written with the following commented out: /* Serial.print(" TMP volts "); Serial.print(TMP_Therm_ADuni...
by vgatesr
Mon May 30, 2016 10:22 pm
Forum: Sensors
Topic: Wind Sensor rev C zero wind adjustment
Replies: 0
Views: 1994

Wind Sensor rev C zero wind adjustment

I have 3 question: 1. With no wind over the sensor we get "nan". Not sure what that means. Would like to get 0.0. 2. We am planning to use 2 sensors in our setup. One for internal air velocity and one for external ambient wind speed. It appears that if the "no wind" adjustments for the two sensors a...