1. Initially connected an LED to the argon board and connected it at D2 pin.
2. Next wired photo sensor on the board using a pull-down resistor of 10 K ohm and connected it to A4 pin.
3. Developed the sketch (program ) to simply control the LED intensity with the corresponding change in the intensity of light falling on the photosensor.
4. Shared the value of photosensor online using 'particle.variable'.
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