Could it be that the unit generates enough heat to warm the interior of the box by 10 F relative to the ambient air temp? I need to find a little thermometer!!! I will watch the reporting for the next day and consider switching to temp from the BMP180 (it is supposed to be more accurate). ) I need to reduce the number of decimal places being sent to my ThingSpeak channel.Īlso, it is clearly colder outside now than the DHT11 sensor is reporting (NWS reports it is 43 F in Wayne, the unit is currently reporting 51 F, but it does not feel like 51 F out there). 0.10 less than is being reported by NWS and Wunderground currently. I may create a platform on the ledge where the unit is plugged in, to further isolate the weather station.ĭecember 28: I altered the code (here is link to GitHub repository) to upload float data from the pressure sensor (I left the temperature and humidity as integers, since those variables are usually reported as whole numbers, whereas air pressure is usually reported to 0.01 inHg (although I am recording air pressure of approx. I burned multiple ventilation holes and a entrance for power into the plastic box.Ī better view of the current stage for the weather station. I insulated the plastic box from both the metal light and the house siding with styrofoam. The weather station installed on top of light on my screen porch. A close up view of the Arduino Uno wired to DHT11 (temp/humidity), BMP180 (temp/air pressure) and CC3000 (wifi)
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