I bought this particle photon in India last year, but couldn't make good use of it, and it was lying unused so I brought it with me to China thinking I will fiddle with it and do some project . It is after around 11 month of living in Beijing I managed some spare time (when my 16 month son was taking a nap) to setup Particle Photon hooked to DHT22 placed outside my home to monitor outdoor weather.
Having an experience using DHT22 with other Arduino boards I hooked it up quite easily and I made use of thingspeak.io to upload data.
You can have a look at the code I wrote for particle photon to read sensor data. Nothing new just used Adafruit_DHT.h and Thingspeak.h library
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