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Questions tagged [led]

A light-emitting diode (LED) is a semiconductor light source. LEDs are used as indicator lamps in many devices.

A light-emitting diode (LED) is a semiconductor light source. LEDs are used as indicator lamps in many devices, like mobile phones or micro-controller boards.

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error expected unqualified-id before numeric constant help me

This is my code to use a button: int estado = 0 void setup(){ pinMode(8, INPUT); pinMode(4, OUTPUT) } void loop(){ estado = digitalRead(8); if(estado == HIGH){ digitalWrite(4, HIGH); } else { digitalWrite(4, LOW); } }
user3814611
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LED illumination in iOS 6

Can anyone show me an example of how to use the following method: (BOOL)setTorchModeOnWithLevel:(float)torchLevel error:(NSError **)outError
thokthak
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