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Programming the Photon: Getting Started with the Internet of Things by Christopher Rush

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9

Troubleshooting Your Device

Sometimes things don’t always go according to plan, and it can be a hard task to find out what went wrong and how to fix it. Luckily, the Photon board has an RGB (red, green, blue) light-emitting diode (LED) placed in a central position on the board that can indicate a number of things based on the color of the LED and the number of times it blinks, or doesn’t, as the case may be.

Device Modes

These modes are the typical behaviors of the Photon board that you will see on a regular basis; they are the light patterns that determine exactly what your Photon board is doing, which is great when trying to work out what has happened when something goes wrong.

  • Connected When the Photon board is pulsing cyan, your device ...

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