From 1c6a176628ece61e69aa057b2dcedeb6afd8585f Mon Sep 17 00:00:00 2001
From: Wojciech Burda <wojciech.burda@rp.pl>
Date: Tue, 13 Dec 2022 23:00:47 +0100
Subject: [PATCH] Initial commit

---
 rgb-led-temp-indicator.ino | 64 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 rgb-led-temp-indicator.ino

diff --git a/rgb-led-temp-indicator.ino b/rgb-led-temp-indicator.ino
new file mode 100644
index 0000000..fe0a289
--- /dev/null
+++ b/rgb-led-temp-indicator.ino
@@ -0,0 +1,64 @@
+#include <OneWire.h>
+#include <DallasTemperature.h>
+
+#define ONE_WIRE_BUS 2
+
+OneWire oneWire(ONE_WIRE_BUS);
+DallasTemperature sensors(&oneWire);
+
+int red_light_pin = 5;
+int green_light_pin = 4;
+int blue_light_pin = 0;
+
+unsigned long previousMillis = 0;
+const long interval = 60000;
+
+void setup(void) {
+  Serial.begin(9600);
+  sensors.begin();
+  pinMode(red_light_pin, OUTPUT);
+  pinMode(green_light_pin, OUTPUT);
+  pinMode(blue_light_pin, OUTPUT);
+  showTempWithLED(meassureTemp());
+}
+
+void loop(void) {
+  unsigned long currentMillis = millis();
+  
+  if (currentMillis - previousMillis >= interval) {
+    previousMillis = currentMillis;
+    showTempWithLED(meassureTemp());
+  }
+}
+
+float meassureTemp() {
+    sensors.requestTemperatures();
+    float tempC = sensors.getTempCByIndex(0);
+
+    if (tempC != DEVICE_DISCONNECTED_C) {
+      Serial.print("Temperature: ");
+      Serial.println(tempC);
+    } else {
+      Serial.println("Error: Could not read temperature data");
+    }
+    return tempC;
+}
+
+// Had to invert colors because of LED type
+void showTempWithLED(float tempC) {
+  if (tempC <= 21) {
+      RGB_color(255, 255, 0);
+    }
+    else if(tempC >= 24) {
+      RGB_color(0, 255, 255);
+    }
+    else {
+      RGB_color(255, 0, 255);
+    }
+}
+
+void RGB_color(int red_light_value, int green_light_value, int blue_light_value) {
+  analogWrite(red_light_pin, red_light_value);
+  analogWrite(green_light_pin, green_light_value);
+  analogWrite(blue_light_pin, blue_light_value);
+}