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A blinking flashlight can help you save battery life when you don’t need constant light. For example, if you are night hiking, you can use a blinking flashlight to illuminate your path intermittently. This way, you can conserve your battery power and extend the runtime of your flashlight.
Or you can use it to signal your presence to others. Different people could choose different colors to be identified with.
Just thinking 🙂
fparri
I don't understand how this can be useful with trekking, but we can help you develop this app.
But you should start with the tutorials first.