Hey folks,
I have a question.
Right now my neopixel colours change due to the change of the Sensor value.
How can I stay at one neopixel "Color / Value" for some seconds, even if the analog output gives me another value ?
Thank you for any hint.
Cheereo
#include <Adafruit_NeoPixel.h>
#define LED_PIN 7
#define N_PIXELS 28
Adafruit_NeoPixel strip = Adafruit_NeoPixel(N_PIXELS, LED_PIN, NEO_GRB + NEO_KHZ800);
boolean ledOn = false;
void setup() {
Serial.begin(115200);
Serial.println("MiCS-5524 demo!");
strip.begin();
strip.show(); // Initialize all pixels to 'off'
strip.setBrightness(90);
}
void loop() {
int reading = analogRead(A0);
Serial.println(reading);
if ((reading) > 0 && (reading) < 11) {
ledOn = true;
} else
{ ledOn = false;} if (ledOn == true)
{ colorWipe(strip.Color(0, 0, 0), 0);
Serial.println (" nüchtern " );
}
if ((reading) > 15 && (reading) < 30)
{
colorWipe(strip.Color(0, 255, 0), 0);
}
Serial.println (" 200 " );
}
if ((reading) > 30 && (reading) < 50)
{
colorWipe(strip.Color(50, 255, 0), 0);
}
Serial.println (" 200 " );
}
if ((reading) > 50 && (reading) < 100)
{
colorWipe(strip.Color(100, 255, 0), 0);
}
Serial.println (" 200 " );
}
void colorWipe(uint32_t c, uint8_t wait) {
for (uint16_t i = 0; i < strip.numPixels(); i++) {
strip.setPixelColor(i, c);
strip.show();
delay(wait);
}
}
void rainbow(uint8_t wait) {
uint16_t i, j;
for (j = 0; j < 256; j++) {
for (i = 0; i < strip.numPixels(); i++) {
strip.setPixelColor(i, Wheel((i + j) & 255));
}
strip.show();
delay(wait);
}
}
// Slightly different, this makes the rainbow equally distributed throughout
void rainbowCycle(uint8_t wait) {
uint16_t i, j;
for (j = 0; j < 256 * 5; j++) { // 5 cycles of all colors on wheel
for (i = 0; i < strip.numPixels(); i++) {
strip.setPixelColor(i, Wheel(((i * 256 / strip.numPixels()) + j) & 255));
}
strip.show();
delay(wait);
}
}
//Theatre-style crawling lights.
void theaterChase(uint32_t c, uint8_t wait) {
for (int j = 0; j < 10; j++) { //do 10 cycles of chasing
for (int q = 0; q < 3; q++) {
for (int i = 0; i < strip.numPixels(); i = i + 3) {
strip.setPixelColor(i + q, c); //turn every third pixel on
}
strip.show();
delay(wait);
for (int i = 0; i < strip.numPixels(); i = i + 3) {
strip.setPixelColor(i + q, 0); //turn every third pixel off
}
}
}
}
//Theatre-style crawling lights with rainbow effect
void theaterChaseRainbow(uint8_t wait) {
for (int j = 0; j < 256; j++) { // cycle all 256 colors in the wheel
for (int q = 0; q < 3; q++) {
for (int i = 0; i < strip.numPixels(); i = i + 3) {
strip.setPixelColor(i + q, Wheel( (i + j) % 255)); //turn every third pixel on
}
strip.show();
delay(wait);
for (int i = 0; i < strip.numPixels(); i = i + 3) {
strip.setPixelColor(i + q, 0); //turn every third pixel off
}
}
}
}
// Input a value 0 to 255 to get a color value.
// The colours are a transition r - g - b - back to r.
uint32_t Wheel(byte WheelPos) {
WheelPos = 255 - WheelPos;
if (WheelPos < 85) {
return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
}
if (WheelPos < 170) {
WheelPos -= 85;
return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
}
WheelPos -= 170;
return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
}