Hardware Reference
In-Depth Information
#include <Adafruit_NeoPixel.h>
// Parameter 1 = number of pixels in strip
// Parameter 2 = pin number (most are valid)
// Parameter 3 = pixel type flags, add together as needed:
// NEO_RGB Pixels are wired for RGB bitstream
// NEO_GRB Pixels are wired for GRB bitstream
// NEO_KHZ400 400 KHz bitstream (e.g., FLORA pixels)
// NEO_KHZ800 800 KHz bitstream (e.g., High Density
// LED strip)
Adafruit_NeoPixel strip = Adafruit_NeoPixel ( 1 , 6 , NEO_GRB +
NEO_KHZ800 );
const int buttonPin = 1 ; // the fin snap is connected to FLORA
// TX; the other half of the snap is
// connected to GND
int buttonState = 0 ; // variable for reading
// the snap status
void setup () {
strip . begin ();
strip . show (); // Initialize all pixels to 'off'
// initialize the pushbutton pin as an input:
pinMode ( buttonPin , INPUT );
digitalWrite ( buttonPin , HIGH );
}
void loop () {
// read the state of the pushbutton value:
buttonState = digitalRead ( buttonPin );
// check if the pushbutton is pressed.
// if it is, the buttonState is HIGH:
if ( buttonState == LOW ) {
// turn LED on:
strip . setPixelColor ( 0 , strip . Color ( 200 , 211 , 254 ));
// color when snap is connected
strip . show ();
}
else {
// change LED color
strip . setPixelColor ( 0 , strip . Color ( 250 , 0 , 0 ));
// color when snap is disconnected
strip . show ();
}
Search WWH ::




Custom Search