The device prototype was built in two parts. First a blinking RGB light code was built to understand and use that LED. The DHT22 code was subsequently used for getting an input of temperature and dew point.
The legend for display is shown below:
|
Sunny |
|
|
Rainy |
|
|
Snowy |
The logic can be explained as below:
A) If the ambient temperature is below dew point, it will most probably rain
B) If the ambient temperature is below dew point and the temperature is below 0 degree Celsius, it will most probably rain
C) If neither of the above two occur, it will be sunny
The bill of materials is listed below:
|
Component |
Number |
|
Photon |
1 |
|
DHT22 Temperature sensor |
1 |
|
RGB light |
1 |
|
10 KOhm resistor |
4 |
|
Jumper cables |
8 |
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