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authorChristopher Peplin <chris.peplin@rhubarbtech.com>2014-09-20 16:14:32 -0400
committerChristopher Peplin <chris.peplin@rhubarbtech.com>2014-09-20 16:14:32 -0400
commit086c6e96ca4b98e8a144b5f7f37a7b3b6fedc61d (patch)
treea400644b8017ab3842e980eaf5df0f4e7437ca47 /examples/Fade/Fade.ino
parent6f46722abb40c60dcaa0e40292342d015906c8bf (diff)
Move tests back to 'examples', skip non-testable examples when testing.
This fixes https://github.com/sudar/Arduino-Makefile/issues/259.
Diffstat (limited to 'examples/Fade/Fade.ino')
-rw-r--r--examples/Fade/Fade.ino31
1 files changed, 31 insertions, 0 deletions
diff --git a/examples/Fade/Fade.ino b/examples/Fade/Fade.ino
new file mode 100644
index 0000000..b47bf43
--- /dev/null
+++ b/examples/Fade/Fade.ino
@@ -0,0 +1,31 @@
+/*
+ Fade
+
+ This example shows how to fade an LED on pin 9
+ using the analogWrite() function.
+
+ This example code is in the public domain.
+
+ */
+int brightness = 0; // how bright the LED is
+int fadeAmount = 5; // how many points to fade the LED by
+
+void setup() {
+ // declare pin 9 to be an output:
+ pinMode(9, OUTPUT);
+}
+
+void loop() {
+ // set the brightness of pin 9:
+ analogWrite(9, brightness);
+
+ // change the brightness for next time through the loop:
+ brightness = brightness + fadeAmount;
+
+ // reverse the direction of the fading at the ends of the fade:
+ if (brightness == 0 || brightness == 255) {
+ fadeAmount = -fadeAmount ;
+ }
+ // wait for 30 milliseconds to see the dimming effect
+ delay(30);
+}