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This is my first time to use photon to build a IoT product. I spent a lot of time to get familiar with the environment and also manage the device to work properly. Since I wasted a lot of time at front, I was not able to spend time on studying the RGB LED light. My original design is to use two circular LED lights and have one of them to shine from light blue to dark blue in order to display the level of humidity and have the other one to shine in the same way with red to present the temperature. But time is never on my side. So I ended up with normal white LED lights to show the level of humidity. With the experience this time, I realized the key to build up a functional prototype depends on how fast can I understand other people's code. It takes time to accumulate the experience. For the project next week, I am positive that I can build more cool functions that I have in my head.


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DHT22 Sample Circuit:

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