Humidity indicator LED project

1 files changed, 51 insertions, 0 deletions

diff --git a/humidity-led-indicator/humidity-led-indicator.ino b/humidity-led-indicator/humidity-led-indicator.ino
new file mode 100644
index 0000000..9ecf34c
--- /dev/null
+++ b/humidity-led-indicator/humidity-led-indicator.ino
@@ -0,0 +1,51 @@
+#include <FastLED.h>
+#include <Adafruit_Sensor.h>
+#include <DHT.h>
+
+#define DHTPIN 2     // what digital pin we're connected to
+#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321
+DHT dht(DHTPIN, DHTTYPE);
+
+const int analogInPin = A0;  // Analog input pin that the LDR is attached to
+
+#define NUM_LEDS 1
+#define DATA_PIN 11
+#define CLOCK_PIN 12
+
+CRGB leds[NUM_LEDS];
+
+CHSV temp;
+
+byte counter;
+
+void setup()
+{
+	FastLED.addLeds<APA102, DATA_PIN, CLOCK_PIN>(leds, NUM_LEDS );
+}
+
+void loop()
+{
+  	delay(2000);
+
+        int ldrValue = analogRead(analogInPin);
+        int humidity = dht.readHumidity();
+
+        if (ldrValue > 1012) {
+          temp.val = 0;
+        } else {
+          temp.val = 255;
+        }
+
+        if( humidity < 35 ) {
+          temp.hue = HUE_RED;
+        } else if(humidity > 60) {
+          temp.hue = HUE_BLUE;
+        } else {
+          temp.hue = map(humidity, 35, 60, HUE_RED, HUE_AQUA);
+        }
+
+        temp.s = 255;
+        leds[0] = temp;
+	FastLED.show();
+}
+