version 2.0

LED_Panel_arduino/LED_Panel_arduino.ino

@@ -2,7 +2,7 @@
 
 #define PIN 3
 PololuLedStrip<PIN> leds;
-#define LED_COUNT 256
+#define LED_COUNT 512
 #define BAUD 1000000
 rgb_color colors[LED_COUNT];
 

LED_Panel_arduino_fastled/LED_Panel_arduino_fastled.ino

@@ -0,0 +1,46 @@
+#include <FastLED.h>
+
+#define PIN 3
+#define LED_COUNT 512
+#define BAUD 1000000
+
+CRGB leds[LED_COUNT];
+
+
+void setup() {
+  FastLED.addLeds<NEOPIXEL, PIN>(leds, LED_COUNT);
+  Serial.begin(BAUD);
+  Serial.setTimeout(500);
+}
+
+// main program
+void loop() {
+
+  byte buf[1];
+  unsigned int c=0;
+
+  while(Serial.read() != 255){
+    if(c > 100000){
+        for (uint16_t i = 0; i < LED_COUNT; i++){
+          leds[i] = CRGB(0,0,0);
+        }
+        FastLED.show();
+
+    }
+    c++;
+  }
+  
+  if(c>1){
+  }
+
+ 
+  for (uint16_t i = 0; i < LED_COUNT; i++)
+  {
+    char col[3];
+    Serial.readBytes(col, 3);
+    leds[i] = CRGB(col[0], col[1], col[2]);
+  }
+  
+  FastLED.show();
+
+}

LED_Panel_arduino_neopixel/LED_Panel_arduino_neopixel.ino

@@ -0,0 +1,44 @@
+#include <Adafruit_NeoPixel.h>
+
+#define PIN 3
+#define LED_COUNT 512
+#define BAUD 1000000
+
+Adafruit_NeoPixel strip = Adafruit_NeoPixel(LED_COUNT, PIN, NEO_GRB + NEO_KHZ800);
+
+void setup() {
+  strip.begin();
+  strip.show();
+  Serial.begin(BAUD);
+  Serial.setTimeout(500);
+}
+
+// main program
+void loop() {
+
+  byte buf[1];
+  unsigned int c=0;
+
+  while(Serial.read() != 255){
+    if(c > 100000){
+        for (uint16_t i = 0; i < LED_COUNT; i++){
+          strip.setPixelColor(i, strip.Color(0,0,0));
+        }
+        strip.show();
+    }
+    c++;
+  }
+  
+  if(c>1){
+  }
+
+ 
+  for (uint16_t i = 0; i < LED_COUNT; i++)
+  {
+    char col[3];
+    Serial.readBytes(col, 3);
+    strip.setPixelColor(i, strip.Color(col[0], col[1], col[2]));
+  }
+  
+  strip.show();
+}

src/main/java/de/zuim/ledcontrol/EffectManager.java

@@ -17,7 +17,7 @@ public class EffectManager {
 
 
 	private final LEDEffect[] effects = new LEDEffect[]{new ClockEffect(), new AudioVolumeEffect(), new NetworkSpeedEffect(), new SineEffect(), new AudioFFTEffect(), new ColorSweepEffect()};
-	private int activeId = 0;
+	private int activeId = 4;
 	private final TrayIcon trayIcon;
 
 	public EffectManager() {
@@ -69,14 +69,20 @@ public class EffectManager {
 				loadNext();
 		}).start();
 
-		loadNext();
+		loadNext(true);
 	}
 
 	private void loadNext() {
+		loadNext(false);
+	}
+
+	private void loadNext(boolean first) {
+		if (!first) {
 			getActiveEffect().unload();
 			activeId++;
 			if (activeId == effects.length)
 				activeId = 0;
+		}
 		getActiveEffect().load();
 		trayIcon.setToolTip("LEDEffects - " + getActiveEffect().getDescription() + (sweep ? " (autoswitch)" : ""));
 	}

src/main/java/de/zuim/ledcontrol/LEDControl.java

@@ -11,10 +11,11 @@ import java.awt.image.BufferedImage;
 import java.nio.charset.StandardCharsets;
 
 public class LEDControl {
-	public static final int WIDTH = 16;
+	public static final int WIDTH = 32;
 	public static final int HEIGHT = 16;
 	public static final int LED_NUM = WIDTH * HEIGHT;
 	public static final int BAUD = 1000000;
+	private static final int FRAME_MS = 40;
 
 
 	private SerialPort port;
@@ -37,7 +38,8 @@ public class LEDControl {
 		long iteration = 0;
 
 		long minTimeDelta = Long.MAX_VALUE,
-				maxTimeDelta = 0;
+				maxTimeDelta = 0,
+				avgTimeDelta = 0;
 
 		while (true) {
 			if (port == null || !port.isOpen()) {
@@ -52,6 +54,7 @@ public class LEDControl {
 				maxTimeDelta = timeDelta;
 			if (timeDelta < minTimeDelta)
 				minTimeDelta = timeDelta;
+			avgTimeDelta += timeDelta;
 			time = System.nanoTime();
 
 			renderFrame(timeDelta);
@@ -68,12 +71,13 @@ public class LEDControl {
 				}
 			}
 
-			sleep(10);
+			sleep(FRAME_MS);//(int) (FRAME_MS) - ((System.nanoTime()-time)/1000000)));
 
-			if (iteration % 1000 == 1) {
+			if (iteration % 1000 == 0 && iteration > 0) {
-				System.out.println("Frametime: " + (Math.round(timeDelta) / 100000) / 10.0 + "ms ("+(Math.round(minTimeDelta) / 100000) / 10.0+"ms - "+(Math.round(maxTimeDelta) / 100000) / 10.0+"ms) " + iteration + " Frames");
+				System.out.println("Frametime: " + (Math.round(avgTimeDelta / 1000.0) / 100000) / 10.0 + "ms (" + (Math.round(minTimeDelta) / 100000) / 10.0 + "ms - " + (Math.round(maxTimeDelta) / 100000) / 10.0 + "ms) " + iteration + " Frames");
 				minTimeDelta = Long.MAX_VALUE;
 				maxTimeDelta = 0;
+				avgTimeDelta = 0;
 			}
 			iteration++;
 		}
@@ -113,7 +117,7 @@ public class LEDControl {
 	}
 
 	private void renderFrame(long timeDelta) {
-		BufferedImage image = new BufferedImage(16 * eff.getActiveEffect().getScale(), 16 * eff.getActiveEffect().getScale(), BufferedImage.TYPE_INT_ARGB);
+		BufferedImage image = new BufferedImage(WIDTH * eff.getActiveEffect().getScale(), HEIGHT * eff.getActiveEffect().getScale(), BufferedImage.TYPE_INT_ARGB);
 		Graphics g = image.getGraphics();
 		eff.getActiveEffect().render(timeDelta, g);
 		g.dispose();

src/main/java/de/zuim/ledcontrol/effects/AudioEffect.java

@@ -0,0 +1,167 @@
+package de.zuim.ledcontrol.effects;
+
+import com.tagtraum.jipes.math.FFTFactory;
+import com.tagtraum.jipes.math.Transform;
+import de.zuim.ledcontrol.LEDEffect;
+
+import javax.sound.sampled.*;
+import java.util.ArrayList;
+import java.util.List;
+
+public abstract class AudioEffect implements LEDEffect {
+
+	private final List<AudioData> cachedAudioData = new ArrayList<>();
+	private final static int BUFFERSIZE = 4096;
+	private Thread audioThread = null;
+
+	@Override
+	public void load() {
+		Runnable audioRunnable = () -> {
+
+			Mixer.Info[] mixers = AudioSystem.getMixerInfo();
+			List<Line.Info> availableTargetLines = new ArrayList<>();
+			for (Mixer.Info mixerInfo : mixers) {
+
+				Mixer m = AudioSystem.getMixer(mixerInfo);
+
+				Line.Info[] lines = m.getTargetLineInfo();
+				System.out.println(mixerInfo);
+
+				for (Line.Info li : lines) {
+					try {
+						if (li instanceof DataLine.Info && mixerInfo.toString().contains("default")) {
+							m.open();
+							System.out.println("(" + availableTargetLines.size() + ") Found target line: " + li + "  " + mixerInfo + "(" + li.getClass() + ")");
+							availableTargetLines.add(li);
+							m.close();
+						}
+					} catch (LineUnavailableException e) {
+						System.out.println("Line unavailable.");
+					}
+				}
+			}
+
+			DataLine.Info targetLineInfo = (DataLine.Info) availableTargetLines.get(0);
+
+			System.out.println("SUPPORTED TARGET FORMATS: ");
+			AudioFormat[] formats = (targetLineInfo).getFormats();
+			for (int i = 0; i < formats.length; i++) {
+				System.out.println("(" + i + ")" + formats[i]);
+			}
+			AudioFormat format = formats[64];
+
+
+			System.out.println("SELECTED: " + format);
+
+
+			final DataLine.Info info = new DataLine.Info(TargetDataLine.class, format);
+			final AudioInputStream audioStream;
+
+			//verbesserung: https://stackoverflow.com/a/51240462
+			try {
+				TargetDataLine targetLine = (TargetDataLine) AudioSystem.getLine(info);
+				targetLine.open();
+				targetLine.start();
+				audioStream = new AudioInputStream(targetLine);
+
+				final byte[] buf = new byte[BUFFERSIZE];
+
+				final int numberOfSamples = buf.length / format.getFrameSize();
+				final Transform fft = FFTFactory.getInstance().create(numberOfSamples);
+				while (audioThread != null) {
+					int read = audioStream.read(buf);
+
+					float[] fBuf = decode(buf, format);
+
+					final float[][] transformed = fft.transform(fBuf);
+					final float[] realPart = transformed[0];
+					final float[] imaginaryPart = transformed[1];
+					double[] magnitudes = toMagnitudes(realPart, imaginaryPart);
+					cachedAudioData.add(new AudioData(magnitudes, targetLine.getLevel()));
+
+                    /*System.out.println("M"+ Arrays.toString(magnitudes));
+                    float max = 0, avg = 0, min = 11111111;
+                    for (float m : fBuf) {
+                        avg += m;
+                        if (m > max)
+                            max = (int) m;
+                        if (m < min)
+                            min = (int) m;
+                    }
+                    System.out.println("M"+ max+"  "+min+"   "+avg/fBuf.length+ "  "+read+"  "+fBuf.length);*/
+
+				}
+
+				audioStream.close();
+				targetLine.close();
+			} catch (Exception e) {
+				e.printStackTrace();
+			}
+		};
+
+		audioThread = new Thread(audioRunnable);
+		audioThread.start();
+	}
+
+	@Override
+	public void unload() {
+		if (audioThread != null && audioThread.isAlive())
+			audioThread = null;
+	}
+
+	public List<AudioData> getData() {
+		return cachedAudioData;
+	}
+
+	public int getMagnitudeLength() {
+		return cachedAudioData.isEmpty() ? 0 : cachedAudioData.get(0).magnitudes.length;
+	}
+
+	private static float[] decode(final byte[] buf, final AudioFormat format) {
+		final float[] fbuf = new float[buf.length / format.getFrameSize()];
+		for (int pos = 0; pos < buf.length; pos += format.getFrameSize()) {
+			final int sample = format.isBigEndian()
+					? byteToIntBigEndian(buf, pos, format.getFrameSize())
+					: byteToIntLittleEndian(buf, pos, format.getFrameSize());
+			// normalize to [0,1]
+			fbuf[pos / format.getFrameSize()] = sample / (Short.MAX_VALUE + 1.0f);
+		}
+		return fbuf;
+	}
+
+	private static double[] toMagnitudes(final float[] realPart, final float[] imaginaryPart) {
+		final double[] powers = new double[realPart.length / 2];
+		for (int i = 0; i < powers.length; i++) {
+			powers[i] = Math.sqrt(realPart[i] * realPart[i] + imaginaryPart[i] * imaginaryPart[i]);
+		}
+		return powers;
+	}
+
+	private static int byteToIntLittleEndian(final byte[] buf, final int offset, final int bytesPerSample) {
+		int sample = 0;
+		for (int byteIndex = 0; byteIndex < bytesPerSample; byteIndex++) {
+			final int aByte = buf[offset + byteIndex] & 0xff;
+			sample += aByte << 8 * (byteIndex);
+		}
+		return sample;
+	}
+
+	private static int byteToIntBigEndian(final byte[] buf, final int offset, final int bytesPerSample) {
+		int sample = 0;
+		for (int byteIndex = 0; byteIndex < bytesPerSample; byteIndex++) {
+			final int aByte = buf[offset + byteIndex] & 0xff;
+			sample += aByte << (8 * (bytesPerSample - byteIndex - 1));
+		}
+		return sample;
+	}
+
+	static class AudioData {
+		public double[] magnitudes;
+		public float level;
+
+		public AudioData(double[] magnitudes, float level) {
+			this.magnitudes = magnitudes;
+			this.level = level;
+		}
+	}
+}

src/main/java/de/zuim/ledcontrol/effects/AudioFFTEffect.java

@@ -1,193 +1,63 @@
 package de.zuim.ledcontrol.effects;
 
-import com.tagtraum.jipes.math.FFTFactory;
-import com.tagtraum.jipes.math.Transform;
-import de.zuim.ledcontrol.LEDEffect;
-
-import javax.sound.sampled.*;
 import java.awt.*;
-import java.util.ArrayList;
+import java.util.Arrays;
-import java.util.List;
 
 import static de.zuim.ledcontrol.LEDControl.HEIGHT;
 import static de.zuim.ledcontrol.LEDControl.WIDTH;
 
-public class AudioFFTEffect implements LEDEffect {
+public class AudioFFTEffect extends AudioEffect {
 	@Override
 	public String getDescription() {
 		return "Audio FFT";
 	}
 
-	final static int BUFFERSIZE = 2048;
-	float[] fbuf = null;
-	double[] magnitudes = null;
-	Thread audioThread = null;
-
-	@Override
-	public void load() {
-		Runnable audioRunnable = () -> {
-
-
-			Mixer.Info[] mixers = AudioSystem.getMixerInfo();
-			List<Line.Info> availableTargetLines = new ArrayList<>();
-			for (Mixer.Info mixerInfo : mixers) {
-
-				Mixer m = AudioSystem.getMixer(mixerInfo);
-
-				Line.Info[] lines = m.getTargetLineInfo();
-				System.out.println(mixerInfo);
-
-				for (Line.Info li : lines) {
-					try {
-						if (li instanceof DataLine.Info && mixerInfo.toString().contains("mix")) {
-							m.open();
-							System.out.println("(" + availableTargetLines.size() + ") Found target line: " + li + "  " + mixerInfo + "(" + li.getClass() + ")");
-							availableTargetLines.add(li);
-							m.close();
-						}
-					} catch (LineUnavailableException e) {
-						System.out.println("Line unavailable.");
-					}
-				}
-			}
-
-			DataLine.Info targetLineInfo = (DataLine.Info) availableTargetLines.get(0);
-
-			System.out.println("SUPPORTED TARGET FORMATS: ");
-			AudioFormat[] formats = (targetLineInfo).getFormats();
-			for (int i = 0; i < formats.length; i++) {
-				System.out.println("(" + i + ")" + formats[i]);
-			}
-			AudioFormat format = formats[2];
-
-
-			System.out.println("SELECTED: " + format);
-
-
-			final DataLine.Info info = new DataLine.Info(TargetDataLine.class, format);
-			final AudioInputStream audioStream;
-
-			//verbesserung: https://stackoverflow.com/a/51240462
-			try {
-				TargetDataLine targetLine = (TargetDataLine) AudioSystem.getLine(info);
-				targetLine.open();
-				targetLine.start();
-				audioStream = new AudioInputStream(targetLine);
-
-				final byte[] buf = new byte[BUFFERSIZE];
-
-				final int numberOfSamples = buf.length / format.getFrameSize();
-				final Transform fft = FFTFactory.getInstance().create(numberOfSamples);
-				while (audioThread != null) {
-					int read = audioStream.read(buf);
-
-					fbuf = decode(buf, format);
-
-					final float[][] transformed = fft.transform(fbuf);
-					final float[] realPart = transformed[0];
-					final float[] imaginaryPart = transformed[1];
-					magnitudes = toMagnitudes(realPart, imaginaryPart);
-
-					//System.out.println("M"+ Arrays.toString(magnitudes));
-
-					int max = 0, avg = 0, min = 11111111;
-					for (double m : magnitudes) {
-						avg += m;
-						if (m > max)
-							max = (int) m;
-						if (m < min)
-							min = (int) m;
-					}
-					//System.out.println("M"+ max+"  "+min+"   "+avg/magnitudes.length+ "  "+read+"  "+magnitudes.length);
-				}
-
-				audioStream.close();
-				targetLine.close();
-			} catch (Exception e) {
-				e.printStackTrace();
-			}
-		};
-
-		audioThread = new Thread(audioRunnable);
-		audioThread.start();
-	}
-
-	@Override
-	public void unload() {
-		if (audioThread != null && audioThread.isAlive())
-			audioThread = null;
-	}
-
 	@Override
 	public void render(long timeDelta, Graphics g) {
+		double[] avg = null;
+		if (!getData().isEmpty()) {
+			avg = new double[getMagnitudeLength()];
+			for (int i = 0; i < getMagnitudeLength(); i++) {
+				for (int j = 0; j < getData().size(); j++) {
+					avg[i] += getData().get(j).magnitudes[i];
+				}
+				avg[i] = avg[i] / getData().size();
+			}
+
+			getData().clear();
+			getData().add(new AudioData(avg, -1));
+
 			for (int x = 0; x < WIDTH; x++) {
 				double val = 0;
 
+				int ignoreMagnitudes = 6;
+				double base = Math.exp(Math.log(avg.length ) / (WIDTH + ignoreMagnitudes));
 
-			if (magnitudes != null) {
+				int intervalStart = (int) Math.pow(base, x + ignoreMagnitudes),
-				double base = Math.exp(Math.log(magnitudes.length/2)/(WIDTH+3));
+						intervalEnd = (int) Math.pow(base, x + ignoreMagnitudes + 1);
-
-				int intervalStart = (int) Math.pow(base,x+3),
-					intervalEnd = (int) Math.pow(base,x+4);
 
 				//System.out.println(x+"  "+intervalStart+"-"+intervalEnd);
 
 				for (int magPos = intervalStart; magPos < intervalEnd; magPos++) {
-					val += magnitudes[magPos];
+					val += avg[magPos];
 				}
 
 				val /= intervalEnd - intervalStart;
 				/*
-				int magnitudesInPixel = (magnitudes.length / WIDTH) / 20;
+				int magnitudesInPixel = (avg.length / WIDTH) / 2;
-
 				for (int sample = 0; sample < magnitudesInPixel; sample++) {
-					val += magnitudes[x * magnitudesInPixel + sample];
+					val += avg[x * magnitudesInPixel + sample];
 				}
-				val /= (double) magnitudes.length / WIDTH;*/
+				val /= (double) avg.length / WIDTH;*/
-			}
+				val*=1+Math.pow(2, x/((double)WIDTH*.5));
-			int y = (int) Math.min(HEIGHT,Math.round(Math.max(1, val+10))/10);
+
+				int y = (int) Math.min(HEIGHT, Math.round(Math.max(1, val + 10)) / 30);
 				g.setColor(new Color(Math.abs(y) + 1, 2, 0));
 				g.drawRect(x, HEIGHT - y, 0, HEIGHT);
 				g.setColor(new Color(Math.abs(y), 0, 0));
 				g.drawRect(x, HEIGHT - y, 0, 0);
 			}
 		}
-
-	private static float[] decode(final byte[] buf, final AudioFormat format) {
-		final float[] fbuf = new float[buf.length / format.getFrameSize()];
-		for (int pos = 0; pos < buf.length; pos += format.getFrameSize()) {
-			final int sample = format.isBigEndian()
-					? byteToIntBigEndian(buf, pos, format.getFrameSize())
-					: byteToIntLittleEndian(buf, pos, format.getFrameSize());
-			// normalize to [0,1]
-			fbuf[pos / format.getFrameSize()] = sample / (Short.MAX_VALUE + 1.0f);
-		}
-		return fbuf;
 	}
 
-	private static double[] toMagnitudes(final float[] realPart, final float[] imaginaryPart) {
-		final double[] powers = new double[realPart.length / 2];
-		for (int i = 0; i < powers.length; i++) {
-			powers[i] = Math.sqrt(realPart[i] * realPart[i] + imaginaryPart[i] * imaginaryPart[i]);
-		}
-		return powers;
-	}
-
-	private static int byteToIntLittleEndian(final byte[] buf, final int offset, final int bytesPerSample) {
-		int sample = 0;
-		for (int byteIndex = 0; byteIndex < bytesPerSample; byteIndex++) {
-			final int aByte = buf[offset + byteIndex] & 0xff;
-			sample += aByte << 8 * (byteIndex);
-		}
-		return sample;
-	}
-
-	private static int byteToIntBigEndian(final byte[] buf, final int offset, final int bytesPerSample) {
-		int sample = 0;
-		for (int byteIndex = 0; byteIndex < bytesPerSample; byteIndex++) {
-			final int aByte = buf[offset + byteIndex] & 0xff;
-			sample += aByte << (8 * (bytesPerSample - byteIndex - 1));
-		}
-		return sample;
-	}
 }

src/main/java/de/zuim/ledcontrol/effects/AudioVolumeEffect.java

@@ -21,17 +21,19 @@ public class AudioVolumeEffect extends AudioFFTEffect {
 	public void render(long timeDelta, Graphics g) {
 		timeDeltaSum += timeDelta;
 
-		if (fbuf != null) {
+		if (!getData().isEmpty()) {
-			float avg = 0;
+			/*float avg = 0;
 			float max = 0;
-			for (float v : fbuf) {
+			for (double v : getData().get(0)) {
 				avg += Math.abs(v);
 				if (v > max) {
-					max = v;
+					max = (float) v;
 				}
 			}
-			avg /= fbuf.length;
+			avg /= cachedMagnitudes.get(0).length;*/
-			volHistory.add((int) (5 * avg));
+			System.out.println(getData().get(0).level);
+			volHistory.add((int) (getData().get(0).level * 100));
+			getData().clear();
 		}
 
 		if (volHistory.size() > WIDTH) {
@@ -41,7 +43,7 @@ public class AudioVolumeEffect extends AudioFFTEffect {
 		for (int x = 0; x < volHistory.size(); x++) {
 
 			g.setColor(new Color((int) ((Math.abs(volHistory.get(x)) + 1) * ((WIDTH - x) / (float) WIDTH)), 2, 0));
-			g.drawRect(WIDTH - x - 1, HEIGHT - volHistory.get(x), 0, HEIGHT);
+			g.drawRect(x, HEIGHT - volHistory.get(x), 0, HEIGHT);
 		}
 	}
 

src/main/java/de/zuim/ledcontrol/effects/ClockEffect.java

@@ -9,8 +9,8 @@ import java.util.Date;
 import static de.zuim.ledcontrol.LEDControl.HEIGHT;
 
 public class ClockEffect implements LEDEffect {
-    private Font font = new Font("Calibri", Font.BOLD, 12*getScale());
+	private Font font = new Font("crosextra-carlito", Font.BOLD, 10 * getScale());
-    private double posOffset = 0;
+	private double posOffset = 3;
 
 	@Override
 	public String getDescription() {
@@ -18,6 +18,7 @@ public class ClockEffect implements LEDEffect {
 	}
 
 	int iteration = 0;
+
 	public void fontSwitcher() {
 		if (++iteration % 100 == 0) {
 			Font[] allFonts = GraphicsEnvironment.getLocalGraphicsEnvironment().getAllFonts();
@@ -27,7 +28,7 @@ public class ClockEffect implements LEDEffect {
 	}
 
 	public void render(long timeDelta, Graphics g) {
-        //fontSwitcher();
+		fontSwitcher();
 
 		Date date = new Date();
 		SimpleDateFormat formatter = new SimpleDateFormat("H:mm");
@@ -37,10 +38,10 @@ public class ClockEffect implements LEDEffect {
 
 		g.setFont(font);
 		g.setColor(new Color(0, 10 - date.getMinutes() / 6, date.getMinutes() / 6));
-        posOffset-=(4*getScale()*timeDelta)/1000000000.0;
+		//posOffset-=(4*getScale()*timeDelta)/1000000000.0;
 		g.drawString(text, (int) posOffset, HEIGHT / 2 * getScale());
 		g.setColor(new Color(10 - date.getSeconds() / 6, date.getSeconds() / 6, 0));
-        g.drawString(text2, 2, HEIGHT*getScale());
+		g.drawString(text2, 5, HEIGHT * getScale());
 		if (posOffset < -g.getFontMetrics().stringWidth(text))
 			posOffset = 0;
 	}

src/main/java/de/zuim/ledcontrol/effects/ColorSweepEffect.java

@@ -14,13 +14,14 @@ public class ColorSweepEffect implements LEDEffect {
 	}
 
 	float step = 0;
+
 	@Override
 	public void render(long timeDelta, Graphics gr) {
 		step += timeDelta * 0.0000000001d;
 		if (step > 1)
 			step = 0;
 
-        gr.setColor(Color.getHSBColor(step,1f,15f/255f));
+		gr.setColor(Color.getHSBColor(step, 1f, 5f / 255f));
 		gr.fillRect(0, 0, WIDTH, HEIGHT);
 	}
 }

src/main/java/de/zuim/ledcontrol/effects/NetworkSpeedEffect.java

@@ -13,8 +13,8 @@ import static de.zuim.ledcontrol.LEDControl.WIDTH;
 
 
 public class NetworkSpeedEffect implements LEDEffect {
-	private static final int MAX_UPLOAD_MBIT_S = 33;
+	private static final int MAX_UPLOAD_MBIT_S = 290;
-	private static final int MAX_DOWNLOAD_MBIT_S = 330;
+	private static final int MAX_DOWNLOAD_MBIT_S = 500;
 	private static final long NANOS_PER_PIXEL = 1000000000;
 
 	@Override
@@ -29,11 +29,11 @@ public class NetworkSpeedEffect implements LEDEffect {
 		if (network == null) {
 			SystemInfo si = new SystemInfo();
 			HardwareAbstractionLayer hal = si.getHardware();
-			network = hal.getNetworkIFs().get(0);
+			network = hal.getNetworkIFs().get(2);
 		}
 	}
 
-	private final Font font = new Font("Calibri", Font.BOLD, 9*getScale());
+	private final Font font = new Font("crosextra-carlito", Font.BOLD, 7 * getScale());
 
 	long lastDownBytes = 0, lastUpBytes = 0;
 	private final List<Measurement> history = new ArrayList<>();
@@ -90,8 +90,7 @@ public class NetworkSpeedEffect implements LEDEffect {
 			g.setColor(new Color(0, 7, 0));
 			g.drawRect(x + offset, HEIGHT - 1 - history.get(x).upY, 0, 0);
 			//g.drawLine(x + offset, HEIGHT - 1 - history.get(x).upY, x + offset + 1, HEIGHT - 1 - history.get(x+1).upY);
-		}
+		} else {
-		else{
 			g.setColor(new Color(1, 0, 0));
 			g.drawLine(x + offset, HEIGHT - history.get(x).downY, x + offset, HEIGHT - 1);
 			g.setColor(new Color(7, 0, 0));

src/main/java/de/zuim/ledcontrol/effects/SineEffect.java

@@ -10,8 +10,8 @@ import static de.zuim.ledcontrol.LEDControl.WIDTH;
 
 public class SineEffect implements LEDEffect {
 
-    private Random r = new Random();
+	private final Random r = new Random();
-    private double[][] seeds = new double[10][7];
+	private final double[][] seeds = new double[10][7];
 
 	@Override
 	public void load() {
@@ -23,6 +23,7 @@ public class SineEffect implements LEDEffect {
 	}
 
 	double steps = 0;
+
 	@Override
 	public void render(long timeDelta, Graphics g) {