arduino/output_led
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開始行:
#navi(arduino);
**LED [#ac3a3b68]
#ref(led2220ohm5.png,,50%);
/*
For Loop Iteration
Demonstrates the use of a for() loop.
Lights multiple LEDs in sequence, then in reverse.
The circuit:
* LEDs from pins 2 through 7 to ground
created 2006
by David A. Mellis
modified 30 Aug 2011
by Tom Igoe
This example code is in the public domain.
http://www.arduino.cc/en/Tutorial/ForLoop
*/
int timer = 15; // The higher the number, the ...
void setup() {
// use a for loop to initialize each pin as an output:
for (int thisPin = 2; thisPin < 7; thisPin++) {
pinMode(thisPin, OUTPUT);
}
}
void loop() {
// loop from the lowest pin to the highest:
for (int thisPin = 2; thisPin < 7; thisPin++) {
// turn the pin on:
digitalWrite(thisPin, HIGH);
delay(timer);
// turn the pin off:
digitalWrite(thisPin, LOW);
}
// loop from the highest pin to the lowest:
for (int thisPin = 6; thisPin >= 2; thisPin--) {
// turn the pin on:
digitalWrite(thisPin, HIGH);
delay(timer);
// turn the pin off:
digitalWrite(thisPin, LOW);
}
}
終了行:
#navi(arduino);
**LED [#ac3a3b68]
#ref(led2220ohm5.png,,50%);
/*
For Loop Iteration
Demonstrates the use of a for() loop.
Lights multiple LEDs in sequence, then in reverse.
The circuit:
* LEDs from pins 2 through 7 to ground
created 2006
by David A. Mellis
modified 30 Aug 2011
by Tom Igoe
This example code is in the public domain.
http://www.arduino.cc/en/Tutorial/ForLoop
*/
int timer = 15; // The higher the number, the ...
void setup() {
// use a for loop to initialize each pin as an output:
for (int thisPin = 2; thisPin < 7; thisPin++) {
pinMode(thisPin, OUTPUT);
}
}
void loop() {
// loop from the lowest pin to the highest:
for (int thisPin = 2; thisPin < 7; thisPin++) {
// turn the pin on:
digitalWrite(thisPin, HIGH);
delay(timer);
// turn the pin off:
digitalWrite(thisPin, LOW);
}
// loop from the highest pin to the lowest:
for (int thisPin = 6; thisPin >= 2; thisPin--) {
// turn the pin on:
digitalWrite(thisPin, HIGH);
delay(timer);
// turn the pin off:
digitalWrite(thisPin, LOW);
}
}
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