Elecfreaks Arduino Starter Kit, Руководство пользователя

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int photodiode = A0 ; // The A0 pin,read Photodiode
int motor = 6 ; // The 6 pin,driving the motor
void setup () {
pinMode ( photodiode , INPUT ) ; // initialize the photodiode pin as an input.
pinMode ( motor , OUTPUT ) ; // initialize the motor pin as an output.
}
void loop () {
int speed = analogRead ( photodiode ) / 2 ; //because the read max value is 512
analogWrite ( motor , speed ) ; //According to the intensity of light motor speed control
}
Part6. Soil moisture sensor control relay
/*
PART6 Soil moisture Sensor CONTROL Relay
According to the intensity of light motor speed control
*/
int soil = A0 ; // The A0 pin,read Soil moisture
int relay = 6 ; // The 6 pin,driving the Relay
void setup () {
pinMode ( soil , INPUT ) ; // initialize the soil pin as an input.
pinMode ( relay , OUTPUT ) ; // initialize the relay pin as an output.
}
void loop () {
int value = analogRead ( soil ) ;
if ( value > 200 ){ //set the default value ,you can set it then more or less to do something
digitalWrite ( relay , HIGH ) ; //turn on the relay
}
else digitalWrite ( relay , LOW ) ; //turn off the relay
}