Most Popular Programming Languages 1965 – 2019
Diorama mit Tiger I
… in eine eindrucksvolle Geschichte eingebettet!
Datentypen für Arduino anzeigen
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 |
void loop() { Serial.print( "int: " ); Serial.println( sizeof( int ) ); Serial.print( "char: " ); Serial.println( sizeof( char ) ); Serial.print( "float: " ); Serial.println( sizeof( float ) ); Serial.print( "long: " ); Serial.println( sizeof( long ) ); Serial.print( "short: " ); Serial.println( sizeof( short ) ); delay( 1000 * 60 * 60 ); } // function/loop |
Arduino-Code: Farbe von RGB-LED verändern
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 |
const int redLEDPin = 9; const int blueLEDPin = 10; const int greenLEDPin = 11; // -- void printPC( char *text, int ln ) { if ( ln ) Serial.println( text ); else Serial.print( text ); } // funtion void printPCInt( int text, int ln ) { if ( ln ) Serial.println( text ); else Serial.print( text ); } // funtion void changeLEDColor( int red, int green, int blue ) { analogWrite( redLEDPin, red ); analogWrite( greenLEDPin, green ); analogWrite( blueLEDPin, blue ); } // function void changeLEDColorByName( char *color ) { printPC( color, 1 ); if ( !strcmp( color, "red" ) ) changeLEDColor( 255, 0, 0 ); else if ( !strcmp( color, "green" ) ) changeLEDColor( 0, 255, 0 ); else if ( !strcmp( color, "blue" ) ) changeLEDColor( 0, 0, 255 ); else changeLEDColor( 0, 0, 0 ); } // function void changeLEDColorAndBlink( char *color, int delayTime ) { changeLEDColorByName( color ); delay( delayTime ); changeLEDColorByName( "off" ); delay( delayTime ); } // function // -- void setup() { // put your setup code here, to run once: Serial.begin( 9600 ); pinMode( redLEDPin, OUTPUT ); pinMode( blueLEDPin, OUTPUT ); pinMode( greenLEDPin, OUTPUT ); } // function/setup void loop() { // put your main code here, to run repeatedly: int delayTime = 2000; changeLEDColorAndBlink( "red", delayTime ); changeLEDColorAndBlink( "green", delayTime ); changeLEDColorAndBlink( "blue", delayTime ); } // function/loop |