Delete directory 'cad-files'

Updated description and added the files used to cut the wooden panels.

README.md

@@ -20,6 +20,18 @@ Am Anfang den ESP anlöten:
 * G->GND
 * D1->Din (Pin-Benennung im Quelltext ist etwas anders)
 
+### Material
+* 230 mm x 230 mm Pappe (schwarz) für Wortfolie
+  - -> [Wortfolie.dxf](cad-files/Wortfolie.dxf) verwenden
+* 230 mm x 230 mm Transparentpapier (z.B. für technisches Zeichnen) als Diffusor, alternativ weißes Backpapier
+* min 280 mm x 280 mm MDF für Trennwände
+  - -> [Trennwaende_fuer_Laser.dxf](cad-files/Trennwaende_fuer_Laser.dxf) verwenden
+  - Zahlen auf der linken Seite nach Möglichkeit nur gravieren oder weglassen
+* Rückwand der Rahmens (CAD-Datei ist passend für "RIBBA" von IKEA)
+  - -> [Rueckwand-ohne-Gravuren.dxf](cad-files/Rueckwand-ohne-Gravuren.dxf) (alle Konturen außer der Umrandung ganz ausschneiden) **oder**
+  - -> [Rueckwand-mit-Gravuren.dxf](cad-files/Rueckwand-mit-Gravuren.dxf) (LED-Markierungen und Pfeile nur mit einer Tiefe von ca. 0.2-0.5 mm gravieren) verwenden
+
+
 ## Flashen
 1. Dieses Repo clonen (`git clone https://github.com/c3e/wordclock.git`)
 2. Die Arduino IDE installieren (https://www.arduino.cc/en/Main/Software)

SOFTWARE/final_wortuhr.txt

@@ -0,0 +1,686 @@
+#include <ESP8266WiFi.h>
+#include <ESP8266WebServer.h>
+#include <Adafruit_NeoPixel.h>
+#include <EEPROM.h>
+#include <time.h>
+#include <WiFiManager.h>
+
+
+// ================= LED =================
+#define PIN D4
+#define NUMPIXELS 110
+Adafruit_NeoPixel pixels(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);
+
+// ================= SERVER =================
+ESP8266WebServer server(80);
+
+// ================= NTP =================
+String ntpServer = "de.pool.ntp.org";
+String tzString = "CET-1CEST,M3.5.0/02,M10.5.0/03";
+
+// ================= SETTINGS =================
+struct Settings {
+  int brightness;
+  int nightBrightness;
+  bool autoNight;
+  int nightStart;
+  int nightEnd;
+  uint32_t color;
+  uint32_t bgColor;
+  bool backgroundMode;
+  char ntpServer[64];
+  char tzString[64];
+} settings;
+
+// ================= VAR =================
+uint32_t currentColor = 0x00FFFF;
+uint32_t lastColor = 0x00FFFF;
+uint32_t bgColor = 0x000000;
+bool backgroundMode = false;
+bool forceInstant = false;
+bool updateNeeded = true;
+
+int brightness = 120;
+int nightBrightness = 10;
+bool autoNight = true;
+int nightStart = 22;
+int nightEnd = 6;
+
+uint32_t targetBuffer[NUMPIXELS];
+uint32_t currentBuffer[NUMPIXELS];
+
+int lastMinute = -1;
+
+// ================= EEPROM =================
+void saveSettings(){
+  settings.brightness = brightness;
+  settings.nightBrightness = nightBrightness;
+  settings.autoNight = autoNight;
+  settings.nightStart = nightStart;
+  settings.nightEnd = nightEnd;
+  settings.color = currentColor;
+  settings.bgColor = bgColor;
+  settings.backgroundMode = backgroundMode;
+  strncpy(settings.ntpServer, ntpServer.c_str(), sizeof(settings.ntpServer));
+  strncpy(settings.tzString, tzString.c_str(), sizeof(settings.tzString));
+
+  EEPROM.put(0, settings);
+  EEPROM.commit();
+}
+
+
+
+void loadSettings(){
+  EEPROM.begin(512);
+  EEPROM.get(0, settings);
+
+  // Prüfen, ob EEPROM leer ist (über Helligkeit)
+  if(settings.brightness == 0 || settings.brightness == 255){ 
+    // Standardwerte setzen
+    brightness = 120;
+    nightBrightness = 10;
+    autoNight = true;
+    nightStart = 22;
+    nightEnd = 6;
+    currentColor = 0x00FFFF;
+    bgColor = 0x000000;
+    backgroundMode = false;
+    ntpServer = "de.pool.ntp.org";
+    tzString = "CET-1CEST,M3.5.0/02,M10.5.0/03";
+  } else {
+    brightness = settings.brightness;
+    nightBrightness = settings.nightBrightness;
+    autoNight = settings.autoNight;
+    nightStart = settings.nightStart;
+    nightEnd = settings.nightEnd;
+    currentColor = settings.color;
+    bgColor = settings.bgColor;
+    backgroundMode = settings.backgroundMode;
+    ntpServer = String(settings.ntpServer);
+    tzString = String(settings.tzString);
+  }
+  
+  // Zeitkonfiguration sofort anwenden
+  configTime(tzString.c_str(), ntpServer.c_str());
+}
+
+
+
+// ================= HELFER =================
+void clearTarget(){
+  for(int i=0;i<NUMPIXELS;i++) targetBuffer[i]=0;
+}
+
+void setRange(int a,int b){
+  for(int i=a;i<=b;i++) targetBuffer[i]=currentColor;
+}
+
+void setRangeColor(int a,int b, uint32_t col){
+  for(int i=a;i<=b;i++) targetBuffer[i] = col;
+}
+
+
+uint32_t blend(uint32_t c1, uint32_t c2, float t){
+  uint8_t r1=(c1>>16)&255, g1=(c1>>8)&255, b1=c1&255;
+  uint8_t r2=(c2>>16)&255, g2=(c2>>8)&255, b2=c2&255;
+
+  return pixels.Color(
+    r1 + (r2 - r1) * t,
+    g1 + (g2 - g1) * t,
+    b1 + (b2 - b1) * t
+  );
+}
+
+uint32_t applyBrightness(uint32_t c, float brightnessFactor){
+  uint8_t r = ((c >> 16) & 255) * brightnessFactor;
+  uint8_t g = ((c >> 8) & 255) * brightnessFactor;
+  uint8_t b = (c & 255) * brightnessFactor;
+
+  return pixels.Color(r,g,b);
+}
+
+uint8_t gamma8(uint8_t x){
+  if(x<5) return 0;
+  float f = x / 255.0;
+  f = pow(f, 2.2);   // Gamma 2.2
+  return (uint8_t)(f * 255);
+}
+
+uint32_t applyGammaBrightness(uint32_t c, float brightnessFactor){
+
+  uint8_t r = ((c >> 16) & 255) * brightnessFactor;
+  uint8_t g = ((c >> 8) & 255) * brightnessFactor;
+  uint8_t b = (c & 255) * brightnessFactor;
+
+  // 🔥 Gamma Korrektur
+  r = gamma8(r);
+  g = gamma8(g);
+  b = gamma8(b);
+
+  return pixels.Color(r,g,b);
+}
+
+void updateDisplayNow(){
+  time_t now = time(nullptr);
+  struct tm *t = localtime(&now);
+  if(t){
+    showTimeWords(t->tm_hour, t->tm_min);
+  }
+}
+
+void showInstant(){
+
+  time_t now = time(nullptr);
+  struct tm *t = localtime(&now);
+
+  float b = getBrightness(t) / 255.0;
+
+  for(int i=0;i<NUMPIXELS;i++){
+    uint32_t c = applyGammaBrightness(targetBuffer[i], b);
+    pixels.setPixelColor(i, c);
+  }
+
+  pixels.show();
+}
+
+// ================= WORTUHR =================
+
+// ES IST
+void word_ES(){ setRange(0,1); }
+void word_IST(){ setRange(3,5); }
+
+// Minuten
+void word_FUENF_M(){ setRange(7,10); }
+void word_ZEHN_M(){ setRange(18,20); }
+void word_ZWANZIG(){ setRange(11,17); }
+void word_VIERTEL(){ setRange(22,28); }
+void word_VOR(){ setRange(30,32); }
+void word_NACH(){ setRange(40,43); }
+void word_HALB(){ setRange(33,36); }
+
+// Stunden
+void word_EINS(){ setRange(62,65); }
+void word_EIN(){ setRange(62,64); }
+void word_ZWEI(){ setRange(55,58); }
+void word_DREI(){ setRange(66,69); }
+void word_VIER(){ setRange(73,76); }
+void word_FUENF_H(){ setRange(51,54); }
+void word_SECHS(){ setRange(83,87); }
+void word_SIEBEN(){ setRange(88,93); }
+void word_ACHT(){ setRange(77,80); }
+void word_NEUN(){ setRange(44,47); }
+void word_ZEHN_H(){ setRange(106,109); }
+void word_ELF(){ setRange(103,105); }
+void word_ZWOELF(){ setRange(94,98); }
+
+// UHR
+void word_UHR(){ setRange(99,101); }
+
+// ================= TEXT =================
+String hourToText(int h){
+  String arr[]={"Zwölf","Eins","Zwei","Drei","Vier","Fünf","Sechs","Sieben","Acht","Neun","Zehn","Elf"};
+  return arr[h%12];
+}
+
+String hourText(int h,bool full){
+  int hh = h % 12;
+
+  if(hh == 1){
+    return full ? "ein" : "eins";
+  }
+  return hourToText(h);
+}
+
+String getTimeText(int h,int m){
+  int m5=(m/5)*5;
+  if(m5>=25) h++;
+
+  String t="Es ist ";
+
+  switch(m5){
+    case 0: t+= hourText(h, true)+" Uhr"; break;
+    case 5: t+="fünf nach "+hourToText(h); break;
+    case 10: t+="zehn nach "+hourToText(h); break;
+    case 15: t+="viertel nach "+hourToText(h); break;
+    case 20: t+="zwanzig nach "+hourToText(h); break;
+    case 25: t+="fünf vor halb "+hourToText(h); break;
+    case 30: t+="halb "+hourToText(h); break;
+    case 35: t+="fünf nach halb "+hourToText(h); break;
+    case 40: t+="zwanzig vor "+hourToText(h); break;
+    case 45: t+="viertel vor "+hourToText(h); break;
+    case 50: t+="zehn vor "+hourToText(h); break;
+    case 55: t+="fünf vor "+hourToText(h); break;
+  }
+  return t;
+}
+
+// ================= NACHTMODUS =================
+int getBrightness(struct tm *t){
+  if(!autoNight) return brightness;
+
+  int h=t->tm_hour;
+  if(nightStart > nightEnd){
+    if(h >= nightStart || h < nightEnd) return nightBrightness;
+  } else {
+    if(h >= nightStart && h < nightEnd) return nightBrightness;
+  }
+  return brightness;
+}
+
+
+void fadeToTargetSmooth(int steps = 10, int delayMs = 5){
+
+  time_t now = time(nullptr);
+  struct tm *t = localtime(&now);
+
+  float bTarget = getBrightness(t) / 255.0;
+
+  for(int s = 0; s <= steps; s++){
+    float tBlend = (float)s / steps;
+
+    for(int i=0;i<NUMPIXELS;i++){
+
+      uint32_t c = blend(currentBuffer[i], targetBuffer[i], tBlend);
+
+      uint32_t finalColor = applyGammaBrightness(c, bTarget);
+
+      pixels.setPixelColor(i, finalColor);
+    }
+
+    pixels.show();
+    delay(delayMs);
+  }
+}
+// ================= ANZEIGE =================
+void showTimeWords(int h, int m){
+
+  // 🔥 aktuellen Zustand als Start für Fade holen
+  for(int i=0;i<NUMPIXELS;i++){
+    currentBuffer[i] = pixels.getPixelColor(i);
+  }
+
+  // 🔥 Zielbuffer komplett neu aufbauen
+  for(int i=0;i<NUMPIXELS;i++){
+    if(backgroundMode){
+      targetBuffer[i] = bgColor;   // frei wählbarer Hintergrund
+    } else {
+      targetBuffer[i] = 0;         // aus
+    }
+  }
+
+  // Grundtext
+  word_ES();
+  word_IST();
+
+  int m5 = (m/5)*5;
+  bool full = (m5 == 0);
+
+  if(m5 >= 25) h++;
+
+  // Minuten
+  switch(m5){
+    case 0:  word_UHR(); break;
+    case 5:  word_FUENF_M(); word_NACH(); break;
+    case 10: word_ZEHN_M(); word_NACH(); break;
+    case 15: word_VIERTEL(); word_NACH(); break;
+    case 20: word_ZWANZIG(); word_NACH(); break;
+    case 25: word_FUENF_M(); word_VOR(); word_HALB(); break;
+    case 30: word_HALB(); break;
+    case 35: word_FUENF_M(); word_NACH(); word_HALB(); break;
+    case 40: word_ZWANZIG(); word_VOR(); break;
+    case 45: word_VIERTEL(); word_VOR(); break;
+    case 50: word_ZEHN_M(); word_VOR(); break;
+    case 55: word_FUENF_M(); word_VOR(); break;
+  }
+
+  // Stunden
+  int hh = h % 12;
+
+  if(hh == 1 && full) word_EIN();
+  else if(hh == 1) word_EINS();
+  else if(hh == 2) word_ZWEI();
+  else if(hh == 3) word_DREI();
+  else if(hh == 4) word_VIER();
+  else if(hh == 5) word_FUENF_H();
+  else if(hh == 6) word_SECHS();
+  else if(hh == 7) word_SIEBEN();
+  else if(hh == 8) word_ACHT();
+  else if(hh == 9) word_NEUN();
+  else if(hh == 10) word_ZEHN_H();
+  else if(hh == 11) word_ELF();
+  else word_ZWOELF();
+
+  // 🔥 jetzt alles weich darstellen (inkl. Gamma & Brightness)
+  if(forceInstant){
+    showInstant();
+    forceInstant = false;
+  }else{
+    fadeToTargetSmooth(10,5);
+  }
+}
+// ================= WEB =================
+void handleNTP() {
+  if (server.hasArg("val")) {
+    ntpServer = server.arg("val");
+    // Konfiguration sofort mit neuem Server aktualisieren
+    configTime(tzString.c_str(), ntpServer.c_str());
+    Serial.println("NTP Server geändert: " + ntpServer);
+  }
+  server.send(200, "text/plain", "OK");
+}
+
+void handleTZ() {
+  if (server.hasArg("val")) {
+    tzString = server.arg("val");
+    // Konfiguration sofort mit neuer Zeitzone aktualisieren
+    configTime(tzString.c_str(), ntpServer.c_str());
+    Serial.println("Zeitzone geändert: " + tzString);
+  }
+  server.send(200, "text/plain", "OK");
+}
+
+void handleColor(){
+  if(server.hasArg("c")){
+    lastColor=currentColor;
+    currentColor=strtoul(server.arg("c").c_str(),NULL,16);
+    forceInstant = true;
+    updateDisplayNow();
+
+  }
+  server.send(200,"text/plain","OK");
+}
+
+void handleBGColor(){
+  if(server.hasArg("c")){
+    bgColor=strtoul(server.arg("c").c_str(),NULL,16);
+    forceInstant = true;
+    updateNeeded = true;
+  }
+  server.send(200,"text/plain","OK");
+}
+
+
+void handleBrightness(){
+  brightness=server.arg("val").toInt();
+  forceInstant = true;
+  updateNeeded = true;
+  server.send(200,"text/plain","OK");
+}
+
+void handleNight(){
+  autoNight=server.arg("val").toInt();
+  forceInstant = true;
+  updateNeeded = true;
+  server.send(200,"text/plain","OK");
+}
+
+void handleBG(){
+  backgroundMode=server.arg("val").toInt();
+  forceInstant = true;
+  updateNeeded = true;
+  server.send(200,"text/plain","OK");
+}
+
+void handleSave(){
+  saveSettings();
+  server.send(200,"text/plain","saved");
+}
+
+void handleNightStart(){
+  int val = server.arg("val").toInt();
+  if(val >= 0 && val <= 23) {
+    nightStart = val;
+    forceInstant = true;
+    updateNeeded = true;
+    server.send(200, "text/plain", "OK");
+  } else {
+    server.send(400, "text/plain", "Ungueltiger Wert");
+  }
+}
+
+void handleNightEnd(){
+  int val = server.arg("val").toInt();
+  
+  if(val >= 0 && val <= 23) {
+    nightEnd = val;
+    forceInstant = true;
+    updateNeeded = true;
+    server.send(200, "text/plain", "OK");
+  } else {
+    server.send(400, "text/plain", "Ungueltiger Wert");
+  }
+}
+
+void handleNightBrightness(){
+  nightBrightness = server.arg("val").toInt();
+  forceInstant = true;
+  updateNeeded = true;
+  server.send(200, "text/plain", "OK");
+}
+
+void handleStatus() {
+  time_t now = time(nullptr);
+  struct tm *t = localtime(&now);
+  char hexCol[10];
+  snprintf(hexCol, sizeof(hexCol), "#%06X", currentColor);
+  char hexBg[10];
+  snprintf(hexBg, sizeof(hexBg), "#%06X",bgColor);
+
+  String ntpStat = (now > 100000) ? "OK" : "SYNC...";
+  Serial.println(ntpStat);
+  String json = "{";
+  json += "\"txt\":\"" + getTimeText(t->tm_hour, t->tm_min) + "\",";
+  json += "\"ip\":\"" + WiFi.localIP().toString() + "\",";
+  json += "\"ntp\":\"" + ntpStat + "\",";
+  json += "\"ntpServer\":\"" + ntpServer + "\",";
+  json += "\"tzString\":\"" + tzString + "\",";
+  json += "\"brightness\":" + String(brightness) + ",";
+  json += "\"nightBrightness\":" + String(nightBrightness) + ",";
+  json += "\"color\":\"" + String(hexCol) + "\",";
+  json += "\"bgColor\":\"" + String(hexBg) + "\",";
+  json += "\"night\":" + String(autoNight ? 1 : 0) + ",";
+  json += "\"nightStart\":" + String(nightStart) + ",";
+  json += "\"nightEnd\":" + String(nightEnd) + ",";
+  json += "\"bg\":" + String(backgroundMode ? 1 : 0); // Hier KEIN Komma am Ende
+  json += "}";
+
+  server.send(200, "application/json", json);
+}
+
+// ================= HTML =================
+void handleRoot(){
+String html = R"rawliteral(
+<html>
+<head>
+<meta charset='UTF-8'>
+<meta name='viewport' content='width=device-width, initial-scale=1'>
+<style>
+  body{font-family:Arial,sans-serif; background:#fff; margin:0; color:#333; display:flex; flex-direction:column; align-items:center}
+  .card{width:90%; max-width:400px; margin:10px; padding:15px; border-radius:12px; background:#f2f2f2; box-shadow: 0 2px 5px rgba(0,0,0,0.1)}
+  .big{font-size:26px; text-align:center; font-weight:bold; color:#0055ff}
+  #status{font-size:0.85em; color:#666; text-align:center}
+  .grid{display:flex; gap:10px; align-items:center; margin-top:10px}
+  .sub-label{font-size:0.85em; margin-top:10px; display:block; color:#555}
+  input[type='number']{width:55px; padding:8px; border-radius:6px; border:1px solid #ccc; text-align:center}
+  input[type='range'], input[type='color']{width:100%; cursor:pointer}
+  button{width:100%; padding:12px; border-radius:8px; border:none; background:#0055ff; color:#fff; font-weight:bold; cursor:pointer}
+  label{font-weight:bold; display:block; margin-bottom:5px}
+</style>
+</head>
+<body>
+
+<div class='card big' id='txt'>--:--</div>
+<div class='card' id='status'>Verbinde...</div>
+
+<div class='card'>
+  <label>Wort-LED Farbe</label>
+  <input type='color' id='col' onchange='c(this.value)'>
+</div>
+
+<div class='card'>
+  <label>Standard Helligkeit</label>
+  <input type='range' id='br' min='0' max='255' oninput='b(this.value)'>
+</div>
+
+<div class='card'>
+  <input type='checkbox' id='night' onchange='n(this.checked)'> <b>Nachtmodus (Auto)</b>
+    
+  <span class='sub-label'>Zeitraum:</span>
+  <div class='grid'>
+    Von: <input type='number' id='nS' min='0' max='23' oninput='ns(this.value)' autocomplete='off'> Uhr
+    Bis: <input type='number' id='nE' min='0' max='23' oninput='ne(this.value)' autocomplete='off'> Uhr
+  </div>
+
+  <span class='sub-label'>Nacht-Helligkeit:</span>
+  <input type='range' id='nbr' min='0' max='255' oninput='nb(this.value)'>
+</div>
+
+<div class='card'>
+  <input type='checkbox' id='bg' onchange='bgf(this.checked)'> <b>Hintergrund</b>
+  <span class='sub-label'>Farbe</span>
+  <input type='color' id='bgcol' onchange='bgc(this.value)'>
+</div>
+
+<div class='card'>
+  <label>Zeit-Quellen</label>
+  <span class='sub-label'>NTP Server:</span>
+  <input type='text' id='ntpS' onchange='setNTP(this.value)' style='width:100%'>
+  
+  <span class='sub-label'>Zeitzone (POSIX TZ):</span>
+  <input type='text' id='tzS' onchange='setTZ(this.value)' style='width:100%'>
+  <a href='https://github.com/nayarsystems/posix_tz_db/blob/master/zones.csv' target='_blank' style='font-size:0.7em'>TZ-Datenbank Hilfe</a>
+</div>
+
+<div class='card'>
+  <button onclick='save()'>Einstellungen im EEPROM speichern</button>
+</div>
+
+
+
+
+<script>
+function c(v){fetch('/color?c='+v.substring(1))}
+function bgc(v){fetch('/bgcolor?c='+v.substring(1))}
+function b(v){fetch('/brightness?val='+v)}
+function n(v){fetch('/night?val='+(v?1:0))}
+function nb(v){fetch('/nightBrightness?val='+v)} // NEU: Nacht-Helligkeit
+function bgf(v){fetch('/bg?val='+(v?1:0))}
+function save(){fetch('/save').then(()=>alert('Gespeichert!'))}
+function setNTP(v){ fetch('/setNTP?val=' + encodeURIComponent(v)); }
+function setTZ(v){ fetch('/setTZ?val=' + encodeURIComponent(v)); }
+function setNTP(v){ fetch('/setNTP?val=' + encodeURIComponent(v)); }
+function setTZ(v){ fetch('/setTZ?val=' + encodeURIComponent(v)); }
+
+function ns(v){
+  if(v === "") return; // Warten, bis eine Zahl drin steht
+  let val = parseInt(v);
+  if(val < 0) val = 0; if(val > 23) val = 23;
+  fetch('/nightStart?val=' + val);
+}
+
+function ne(v){
+  if(v === "") return;
+  let val = parseInt(v);
+  if(val < 0) val = 0; if(val > 23) val = 23;
+  fetch('/nightEnd?val=' + val);
+}
+
+
+function update(){
+ fetch('/status').then(r=>r.json()).then(d=>{
+  // Hilfsfunktion zum sicheren Setzen von Werten
+  const setVal = (id, val, isCheck = false) => {
+    const el = document.getElementById(id);
+    if(!el) return; // Falls Element nicht existiert, überspringen
+    if(document.activeElement === el) return; // Falls User gerade tippt, überspringen
+    
+    if(isCheck) el.checked = (val == 1);
+    else el.value = val;
+  };
+
+  // Texte immer aktualisieren
+  const txt = document.getElementById('txt');
+  const stat = document.getElementById('status');
+  if(txt) txt.innerHTML = d.txt;
+  if(stat) stat.innerHTML = "IP: " + d.ip + " | NTP: " + d.ntp;
+  
+  // Alle Eingabefelder sicher aktualisieren
+  setVal('col', d.color);
+  setVal('bgcol', d.bgColor);
+  setVal('br', d.brightness);
+  setVal('nbr', d.nightBrightness);
+  setVal('nS', d.nightStart);
+  setVal('nE', d.nightEnd);
+  setVal('ntpS', d.ntpServer);
+  setVal('tzS', d.tzString);
+  
+  // Checkboxen
+  setVal('night', d.night, true);
+  setVal('bg', d.bg, true);
+
+ }).catch(err => {
+  console.error("Update-Fehler:", err);
+  const stat = document.getElementById('status');
+  if(stat) stat.innerHTML = "Verbindung unterbrochen...";
+ });
+}
+
+setInterval(update, 2000);
+update();
+</script>
+</body>
+</html>
+)rawliteral";
+server.send(200, "text/html", html);
+}
+
+
+// ================= SETUP =================
+void setup(){
+  Serial.begin(115200);
+
+  WiFiManager wm;
+  wm.autoConnect("Wortuhr");
+
+  configTime(tzString.c_str(), ntpServer.c_str());
+  for(int i=0;i<NUMPIXELS;i++){
+  currentBuffer[i] = 0;
+  }
+
+  pixels.begin();
+  loadSettings();
+
+  server.on("/",handleRoot);
+  server.on("/status",handleStatus);
+  server.on("/color",handleColor);
+  server.on("/bgcolor",handleBGColor);
+  server.on("/brightness",handleBrightness);
+  server.on("/night",handleNight);
+  server.on("/nightStart",handleNightStart);
+  server.on("/nightEnd",handleNightEnd);
+  server.on("/nightBrightness",handleNightBrightness);
+  server.on("/bg",handleBG);
+  server.on("/save",handleSave);
+  server.on("/setNTP", handleNTP);
+  server.on("/setTZ", handleTZ);
+
+  server.begin();
+}
+
+// ================= LOOP =================
+void loop(){
+  server.handleClient();
+
+  time_t now=time(nullptr);
+  struct tm *t=localtime(&now);
+
+  if(t && t->tm_min !=lastMinute){
+    lastMinute=t->tm_min;
+    updateNeeded = true;
+  }
+
+  if(updateNeeded){
+    showTimeWords(t->tm_hour,t->tm_min);
+    updateNeeded = false;
+  }
+}

SOFTWARE/wordclock_finalversion.ino

@@ -0,0 +1,378 @@
+#include <ESP8266WiFi.h>
+#include <ESP8266WebServer.h>
+#include <Adafruit_NeoPixel.h>
+#include <EEPROM.h>
+#include <time.h>
+#include <WiFiManager.h>
+
+// ================= LED =================
+#define PIN D4
+#define NUMPIXELS 110
+Adafruit_NeoPixel pixels(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);
+
+// ================= SERVER & NTP =================
+ESP8266WebServer server(80);
+String ntpServer = "de.pool.ntp.org";
+String tzString = "CET-1CEST,M3.5.0/02,M10.5.0/03";
+
+// ================= SETTINGS =================
+struct Settings {
+  int brightness;
+  int nightBrightness;
+  bool autoNight;
+  int nightStart;
+  int nightEnd;
+  uint32_t color;
+  uint32_t bgColor;
+  bool backgroundMode;
+  char ntpServer[64];
+  char tzString[64];
+  bool nightBackgroundDisabled; // Neu
+} settings;
+
+// ================= VAR =================
+uint32_t currentColor = 0x00FFFF;
+uint32_t lastColor = 0x00FFFF;
+uint32_t bgColor = 0x000000;
+bool backgroundMode = false;
+bool nightBackgroundDisabled = false; // Neu
+bool forceInstant = false;
+bool updateNeeded = true;
+int brightness = 120;
+int nightBrightness = 10;
+bool autoNight = true;
+int nightStart = 22;
+int nightEnd = 6;
+uint32_t targetBuffer[NUMPIXELS];
+uint32_t currentBuffer[NUMPIXELS];
+int lastMinute = -1;
+int lastH = -1;
+
+// ================= EEPROM =================
+void saveSettings(){
+  settings.brightness = brightness;
+  settings.nightBrightness = nightBrightness;
+  settings.autoNight = autoNight;
+  settings.nightStart = nightStart;
+  settings.nightEnd = nightEnd;
+  settings.color = currentColor;
+  settings.bgColor = bgColor;
+  settings.backgroundMode = backgroundMode;
+  settings.nightBackgroundDisabled = nightBackgroundDisabled; // Neu
+  strncpy(settings.ntpServer, ntpServer.c_str(), sizeof(settings.ntpServer));
+  strncpy(settings.tzString, tzString.c_str(), sizeof(settings.tzString));
+  EEPROM.put(0, settings);
+  EEPROM.commit();
+}
+
+void loadSettings(){
+  EEPROM.begin(512);
+  EEPROM.get(0, settings);
+  if(settings.brightness == 0 || settings.brightness == 255){ 
+    brightness = 120;
+    nightBrightness = 10;
+    autoNight = true;
+    nightStart = 22;
+    nightEnd = 6;
+    currentColor = 0x00FFFF;
+    bgColor = 0x000000;
+    backgroundMode = false;
+    nightBackgroundDisabled = false;
+    ntpServer = "de.pool.ntp.org";
+    tzString = "CET-1CEST,M3.5.0/02,M10.5.0/03";
+  } else {
+    brightness = settings.brightness;
+    nightBrightness = settings.nightBrightness;
+    autoNight = settings.autoNight;
+    nightStart = settings.nightStart;
+    nightEnd = settings.nightEnd;
+    currentColor = settings.color;
+    bgColor = settings.bgColor;
+    backgroundMode = settings.backgroundMode;
+    nightBackgroundDisabled = settings.nightBackgroundDisabled;
+    ntpServer = String(settings.ntpServer);
+    tzString = String(settings.tzString);
+  }
+  configTime(tzString.c_str(), ntpServer.c_str());
+}
+
+// ================= HELFER =================
+bool isNightTime(struct tm *t){
+  if(!autoNight) return false;
+  int h = t->tm_hour;
+  if(nightStart > nightEnd){
+    return (h >= nightStart || h < nightEnd);
+  } else {
+    return (h >= nightStart && h < nightEnd);
+  }
+}
+
+void setRange(int a,int b){
+  for(int i=a;i<=b;i++) targetBuffer[i]=currentColor;
+}
+
+uint32_t blend(uint32_t c1, uint32_t c2, float t){
+  uint8_t r1=(c1>>16)&255, g1=(c1>>8)&255, b1=c1&255;
+  uint8_t r2=(c2>>16)&255, g2=(c2>>8)&255, b2=c2&255;
+  return pixels.Color(r1+(r2-r1)*t, g1+(g2-g1)*t, b1+(b2-b1)*t);
+}
+
+uint8_t gamma8(uint8_t x) {
+  if (x == 0) return 0;
+  // Verwende einen leicht angepassten Exponenten für den Nachtmodus
+  float f = (float)x / 255.0;
+  return (uint8_t)(pow(f, 2.0) * 255.0 + 0.5); 
+}
+
+uint32_t applyGammaBrightness(uint32_t c, float brightnessFactor) {
+  // Wenn der Faktor extrem klein ist, erzwingen wir eine Mindesthelligkeit für aktive LEDs
+  if (brightnessFactor < 0.01 && brightnessFactor > 0) brightnessFactor = 0.01;
+
+  uint8_t r = (uint8_t)(((c >> 16) & 255) * brightnessFactor);
+  uint8_t g = (uint8_t)(((c >> 8) & 255) * brightnessFactor);
+  uint8_t b = (uint8_t)((c & 255) * brightnessFactor);
+
+  return pixels.Color(gamma8(r), gamma8(g), gamma8(b));
+}
+
+int getBrightness(struct tm *t){
+  return isNightTime(t) ? nightBrightness : brightness;
+}
+
+void showInstant(){
+  time_t now = time(nullptr);
+  struct tm *t = localtime(&now);
+  float b = getBrightness(t) / 255.0;
+  for(int i=0;i<NUMPIXELS;i++){
+    pixels.setPixelColor(i, applyGammaBrightness(targetBuffer[i], b));
+  }
+  pixels.show();
+}
+
+void fadeToTargetSmooth(int steps = 30, int delayMs = 15) {
+  time_t now = time(nullptr);
+  struct tm *t = localtime(&now);
+  float bTarget = getBrightness(t) / 255.0;
+  
+  // Im Nachtmodus faden wir langsamer (mehr Schritte), um das Springen zu kaschieren
+  if (isNightTime(t)) {
+    steps = 60; 
+    delayMs = 25;
+  }
+
+  for (int s = 0; s <= steps; s++) {
+    float tBlend = (float)s / steps;
+    for (int i = 0; i < NUMPIXELS; i++) {
+      uint32_t c = blend(currentBuffer[i], targetBuffer[i], tBlend);
+      pixels.setPixelColor(i, applyGammaBrightness(c, bTarget));
+    }
+    pixels.show();
+    yield(); // Verhindert WDT-Reset beim ESP8266
+    delay(delayMs);
+  }
+}
+
+// ================= WORTUHR LOGIK =================
+void word_ES(){ setRange(0,1); } void word_IST(){ setRange(3,5); }
+void word_FUENF_M(){ setRange(7,10); } void word_ZEHN_M(){ setRange(18,20); }
+void word_ZWANZIG(){ setRange(11,17); } void word_VIERTEL(){ setRange(22,28); }
+void word_VOR(){ setRange(30,32); } void word_NACH(){ setRange(40,43); }
+void word_HALB(){ setRange(33,36); } void word_EINS(){ setRange(62,65); }
+void word_EIN(){ setRange(62,64); } void word_ZWEI(){ setRange(55,58); }
+void word_DREI(){ setRange(66,69); } void word_VIER(){ setRange(73,76); }
+void word_FUENF_H(){ setRange(51,54); } void word_SECHS(){ setRange(83,87); }
+void word_SIEBEN(){ setRange(88,93); } void word_ACHT(){ setRange(77,80); }
+void word_NEUN(){ setRange(44,47); } void word_ZEHN_H(){ setRange(106,109); }
+void word_ELF(){ setRange(103,105); } void word_ZWOELF(){ setRange(94,98); }
+void word_UHR(){ setRange(99,101); }
+
+String getTimeText(int h, int m){
+  int m5=(m/5)*5; if(m5>=25) h++;
+  String arr[]={"Zwölf","Eins","Zwei","Drei","Vier","Fünf","Sechs","Sieben","Acht","Neun","Zehn","Elf"};
+  String hT = arr[h%12]; if(m5==0 && h%12==1) hT = "ein";
+  String t = "Es ist ";
+  switch(m5){
+    case 0: t+= hT + " Uhr"; break;
+    case 5: t+= "fünf nach " + arr[h%12]; break;
+    case 10: t+= "zehn nach " + arr[h%12]; break;
+    case 15: t+= "viertel nach " + arr[h%12]; break;
+    case 20: t+= "zwanzig nach " + arr[h%12]; break;
+    case 25: t+= "fünf vor halb " + arr[h%12]; break;
+    case 30: t+= "halb " + arr[h%12]; break;
+    case 35: t+= "fünf nach halb " + arr[h%12]; break;
+    case 40: t+= "zwanzig vor " + arr[h%12]; break;
+    case 45: t+= "viertel vor " + arr[h%12]; break;
+    case 50: t+= "zehn vor " + arr[h%12]; break;
+    case 55: t+= "fünf vor " + arr[h%12]; break;
+  }
+  return t;
+}
+
+void showTimeWords(int h, int m){
+  time_t now = time(nullptr);
+  struct tm *t = localtime(&now);
+  
+  for(int i=0;i<NUMPIXELS;i++) currentBuffer[i] = pixels.getPixelColor(i);
+  
+  // HG Logik mit Nacht-Aus-Option
+  uint32_t activeBg = 0;
+  if(backgroundMode) {
+    if(nightBackgroundDisabled && isNightTime(t)) {
+      activeBg = 0;
+    } else {
+      activeBg = bgColor;
+    }
+  }
+  for(int i=0;i<NUMPIXELS;i++) targetBuffer[i] = activeBg;
+  
+  word_ES(); word_IST();
+  int m5 = (m/5)*5; bool full = (m5 == 0); if(m5 >= 25) h++;
+  switch(m5){
+    case 0:  word_UHR(); break;
+    case 5:  word_FUENF_M(); word_NACH(); break;
+    case 10: word_ZEHN_M(); word_NACH(); break;
+    case 15: word_VIERTEL(); word_NACH(); break;
+    case 20: word_ZWANZIG(); word_NACH(); break;
+    case 25: word_FUENF_M(); word_VOR(); word_HALB(); break;
+    case 30: word_HALB(); break;
+    case 35: word_FUENF_M(); word_NACH(); word_HALB(); break;
+    case 40: word_ZWANZIG(); word_VOR(); break;
+    case 45: word_VIERTEL(); word_VOR(); break;
+    case 50: word_ZEHN_M(); word_VOR(); break;
+    case 55: word_FUENF_M(); word_VOR(); break;
+  }
+  int hh = h % 12;
+  if(hh == 1 && full) word_EIN();
+  else if(hh == 1) word_EINS(); else if(hh == 2) word_ZWEI(); else if(hh == 3) word_DREI();
+  else if(hh == 4) word_VIER(); else if(hh == 5) word_FUENF_H(); else if(hh == 6) word_SECHS();
+  else if(hh == 7) word_SIEBEN(); else if(hh == 8) word_ACHT(); else if(hh == 9) word_NEUN();
+  else if(hh == 10) word_ZEHN_H(); else if(hh == 11) word_ELF(); else word_ZWOELF();
+
+  if(forceInstant){ showInstant(); forceInstant = false; }
+  else { fadeToTargetSmooth(20, 10); }
+}
+
+// ================= WEB HANDLERS =================
+void handleStatus() {
+  time_t now = time(nullptr);
+  struct tm *t = localtime(&now);
+  char hexCol[10], hexBg[10];
+  snprintf(hexCol, sizeof(hexCol), "#%06X", currentColor);
+  snprintf(hexBg, sizeof(hexBg), "#%06X", bgColor);
+  String ntpStat = (now > 100000) ? "OK" : "SYNC...";
+  String json = "{";
+  json += "\"txt\":\"" + getTimeText(t->tm_hour, t->tm_min) + "\",";
+  json += "\"ip\":\"" + WiFi.localIP().toString() + "\",";
+  json += "\"ntp\":\"" + ntpStat + "\",";
+  json += "\"ntpServer\":\"" + ntpServer + "\",";
+  json += "\"tzString\":\"" + tzString + "\",";
+  json += "\"brightness\":" + String(brightness) + ",";
+  json += "\"nightBrightness\":" + String(nightBrightness) + ",";
+  json += "\"color\":\"" + String(hexCol) + "\",";
+  json += "\"bgColor\":\"" + String(hexBg) + "\",";
+  json += "\"night\":" + String(autoNight ? 1 : 0) + ",";
+  json += "\"nightStart\":" + String(nightStart) + ",";
+  json += "\"nightEnd\":" + String(nightEnd) + ",";
+  json += "\"bg\":" + String(backgroundMode ? 1 : 0) + ",";
+  json += "\"nightBgOff\":" + String(nightBackgroundDisabled ? 1 : 0);
+  json += "}";
+  server.send(200, "application/json", json);
+}
+
+void handleRoot(){
+  String html = R"rawliteral(
+  <html><head><meta charset='UTF-8'><meta name='viewport' content='width=device-width, initial-scale=1'>
+  <style>
+    body{font-family:Arial,sans-serif; background:#fff; margin:0; color:#333; display:flex; flex-direction:column; align-items:center}
+    .card{width:90%; max-width:400px; margin:10px; padding:15px; border-radius:12px; background:#f2f2f2; box-shadow: 0 2px 5px rgba(0,0,0,0.1)}
+    .big{font-size:26px; text-align:center; font-weight:bold; color:#0055ff}
+    input[type='range'], input[type='color'], input[type='text']{width:100%; margin-bottom:10px}
+    button{width:100%; padding:12px; border-radius:8px; background:#0055ff; color:#fff; border:none; cursor:pointer}
+    label{font-weight:bold; display:block; margin-bottom:5px}
+  </style></head><body>
+  <div class='card big' id='txt'>Lade...</div>
+  <div class='card' id='status'>Verbinde...</div>
+  <div class='card'><label>Farbe Worte</label><div>&nbsp;</div><input type='color' id='col' onchange="f('/color?c='+this.value.substring(1))">
+    <label>Helligkeit</label><input type='range' id='br' min='0' max='255' oninput="f('/brightness?val='+this.value)"></div>
+    <div class='card'><input type='checkbox' id='bg' onchange="f('/bg?val='+(this.checked?1:0))"> <b>Hintergrund</b><br><div>&nbsp;</div>
+    <input type='color' id='bgcol' onchange="f('/bgcolor?c='+this.value.substring(1))"></div>
+  <div class='card'><input type='checkbox' id='night' onchange="f('/night?val='+(this.checked?1:0))"> <b>Nachtmodus</b><br> <div>&nbsp;</div>
+    Von: <input type='number' id='nS' style='width:50px' oninput="f('/nightStart?val='+this.value)"> Uhr 
+    Bis: <input type='number' id='nE' style='width:50px' oninput="f('/nightEnd?val='+this.value)"> Uhr<br><div>&nbsp;</div>
+    <label>Nacht-Helligkeit</label><input type='range' id='nbr' min='0' max='255' oninput="f('/nightBrightness?val='+this.value)">
+    <br><input type='checkbox' id='nightBgOff' onchange="f('/nightBgOff?val='+(this.checked?1:0))"> HG in Nacht aus</div>
+  
+  <div class='card'><label>NTP Server:</label><input type='text' id='ntpS' onchange="f('/setNTP?val='+this.value)">
+    <label>Zeitzone:</label><input type='text' id='tzS' onchange="f('/setTZ?val='+this.value)"></div>
+  <div class='card'><button onclick="f('/save');alert('Gespeichert!')">EEPROM Speichern</button></div>
+  <script>
+    function f(u){fetch(u)}
+    function u(){fetch('/status').then(r=>r.json()).then(d=>{
+      document.getElementById('txt').innerText=d.txt;
+      document.getElementById('status').innerText="IP: "+d.ip+" | NTP: "+d.ntp;
+      const s=(i,v,c=false)=>{const e=document.getElementById(i);if(e&&document.activeElement!==e){if(c)e.checked=(v==1);else e.value=v;}};
+      s('col',d.color);s('br',d.brightness);s('night',d.night,true);s('nS',d.nightStart);s('nE',d.nightEnd);
+      s('nbr',d.nightBrightness);s('bg',d.bg,true);s('bgcol',d.bgColor);s('ntpS',d.ntpServer);s('tzS',d.tzString);
+      s('nightBgOff',d.nightBgOff,true);
+    })}
+    setInterval(u, 2500); u();
+  </script></body></html>)rawliteral";
+  server.send(200, "text/html", html);
+}
+
+void handleColor(){ if(server.hasArg("c")){ currentColor=strtoul(server.arg("c").c_str(),NULL,16); forceInstant=true; showTimeWords(lastH, lastMinute); } server.send(200); }
+void handleBGColor(){ if(server.hasArg("c")){ bgColor=strtoul(server.arg("c").c_str(),NULL,16); forceInstant=true; updateNeeded=true; } server.send(200); }
+void handleBrightness(){ brightness=server.arg("val").toInt(); forceInstant=true; updateNeeded=true; server.send(200); }
+void handleNight(){ autoNight=server.arg("val").toInt(); forceInstant=true; updateNeeded=true; server.send(200); }
+void handleNightStart(){ nightStart=server.arg("val").toInt(); forceInstant=true; updateNeeded=true; server.send(200); }
+void handleNightEnd(){ nightEnd=server.arg("val").toInt(); forceInstant=true; updateNeeded=true; server.send(200); }
+void handleNightBrightness(){ nightBrightness=server.arg("val").toInt(); forceInstant=true; updateNeeded=true; server.send(200); }
+void handleNightBgOff(){ nightBackgroundDisabled=server.arg("val").toInt(); forceInstant=true; updateNeeded=true; server.send(200); }
+void handleBG(){ backgroundMode=server.arg("val").toInt(); forceInstant=true; updateNeeded=true; server.send(200); }
+void handleNTP(){ ntpServer=server.arg("val"); configTime(tzString.c_str(), ntpServer.c_str()); server.send(200); }
+void handleTZ(){ tzString=server.arg("val"); configTime(tzString.c_str(), ntpServer.c_str()); server.send(200); }
+void handleSave(){ saveSettings(); server.send(200); }
+
+// ================= SETUP & LOOP =================
+void setup(){
+  Serial.begin(115200);
+  WiFiManager wm; wm.autoConnect("Wortuhr");
+  loadSettings();
+  server.on("/", handleRoot);
+  server.on("/status", handleStatus);
+  server.on("/color", handleColor);
+  server.on("/bgcolor", handleBGColor);
+  server.on("/brightness", handleBrightness);
+  server.on("/night", handleNight);
+  server.on("/nightStart", handleNightStart);
+  server.on("/nightEnd", handleNightEnd);
+  server.on("/nightBrightness", handleNightBrightness);
+  server.on("/nightBgOff", handleNightBgOff);
+  server.on("/bg", handleBG);
+  server.on("/setNTP", handleNTP);
+  server.on("/setTZ", handleTZ);
+  server.on("/save", handleSave);
+  server.begin();
+  pixels.begin();
+}
+
+void loop(){
+  server.handleClient();
+
+  time_t now = time(nullptr);
+  struct tm *t = localtime(&now);
+
+  if(t) {
+    int currentM5 = (t->tm_min / 5) * 5;
+    if(currentM5 != lastMinute || t->tm_hour != lastH){
+      lastMinute = currentM5;
+      lastH = t->tm_hour;
+      updateNeeded = true;
+    }
+  }
+
+  if(updateNeeded){
+    showTimeWords(lastH, (t ? t->tm_min : 0));
+    updateNeeded = false;
+  }
+}

Wortuhr_alt/wordclock/wordclock.ino

@@ -22,6 +22,11 @@
 #include <ESP8266WebServer.h>
 #include <WiFiManager.h>
 
+// #define BRIGHTNESS 200
+#define BRIGHTNESS_HIGH 200
+#define BRIGHTNESS_LOW 100
+#define BRIGHTNESS_HIGH_TIME 8
+#define BRIGHTNESS_LOW_TIME 20
 
 #define NUM_LEDS 43
 #define DATA_PIN 5
@@ -64,25 +69,25 @@ int clockWords[22][10] = {
   {0,-1,-1,-1,-1,-1,-1,-1,-1,-1}, // es 0
   {1,-1,-1,-1,-1,-1,-1,-1,-1,-1},  // ist 1
   {2,3,-1,-1,-1,-1,-1,-1,-1,-1},  // fuenf 2
-  {4,5,-1,-1,-1,-1,-1,-1,-1,-1},  // zehn 3
+  {7,8,-1,-1,-1,-1,-1,-1,-1,-1},  // zehn 3
-  {6,7,8,-1,-1,-1,-1,-1,-1,-1}, //  zwanzig 4
+  {4,5,6,-1,-1,-1,-1,-1,-1,-1}, //  zwanzig 4
   {9,10,11,-1,-1,-1,-1,-1,-1,-1},  // viertel 5
   {12,-1,-1,-1,-1,-1,-1,-1,-1,-1},  // vor 6
   {13,14,-1,-1,-1,-1,-1,-1,-1,-1},  // nach 8
   {15,16,-1,-1,-1,-1,-1,-1,-1,-1},  // halb 7
   {17,18,-1,-1,-1,-1,-1,-1,-1,-1},  // neun 9 
   {19,20,-1,-1,-1,-1,-1,-1,-1,-1},  // fuenf 10
-  {21,22,-1,-1,-1,-1,-1,-1,-1,-1},  // ein 11
+  {23,24,-1,-1,-1,-1,-1,-1,-1,-1},  // eins 11
-  {23,24,-1,-1,-1,-1,-1,-1,-1,-1},  // zwei 12
+  {21,22,-1,-1,-1,-1,-1,-1,-1,-1},  // zwei 12
   {25,26,-1,-1,-1,-1,-1,-1,-1,-1},  // drei 13
   {27,28,-1,-1,-1,-1,-1,-1,-1,-1},  // vier 14
-  {29,30,-1,-1,-1,-1,-1,-1,-1,-1},  // sechs 15
+  {31,32,-1,-1,-1,-1,-1,-1,-1,-1},  // sechs 15
-  {31,32,-1,-1,-1,-1,-1,-1,-1,-1},  // acht 16
+  {29,30,-1,-1,-1,-1,-1,-1,-1,-1},  // acht 16
   {33,34,35,-1,-1,-1,-1,-1,-1,-1},  // sieben 17
   {36,37,38,-1,-1,-1,-1,-1,-1,-1}, // zwölf 18
-  {39,40,-1,-1,-1,-1,-1,-1,-1,-1},  // zehn 19
+  {41,42,-1,-1,-1,-1,-1,-1,-1,-1},  // zehn 19
-  {41,-1,-1,-1,-1,-1,-1,-1,-1,-1},  // elf 20
+  {40,-1,-1,-1,-1,-1,-1,-1,-1,-1},  // elf 20
-  {42,-1,-1,-1,-1,-1,-1,-1,-1},  // uhr 21
+  {39,-1,-1,-1,-1,-1,-1,-1,-1},  // uhr 21
 };
 
 WiFiUDP Udp;
@@ -93,6 +98,7 @@ uint8_t color = 0;
 int lastmin = 100;
 void printDigits(int digits);
 void sendNTPpacket(IPAddress &address);
+uint8_t brightness = BRIGHTNESS_HIGH;
 
 void clear(bool show=true)
 {
@@ -108,7 +114,7 @@ void noWifi()
 {
   for(int i=0; i<NUM_LEDS; i++)
   {
-    leds[i] = CHSV((255/(NUM_LEDS-1))*i, 255, 128);
+    leds[i] = CHSV((255/(NUM_LEDS-1))*i, 255, brightness);
     FastLED.show();
   }
 }
@@ -142,11 +148,11 @@ void digitalClockDisplay()
 
 void setup()
 {
-  FastLED.addLeds<WS2812B, DATA_PIN, GRB>(leds, NUM_LEDS);
+   FastLED.addLeds<WS2812B, DATA_PIN, GRB>(leds, NUM_LEDS);
   clear();
   for (int initcount=0; initcount <= NUM_LEDS; initcount++) {
     clear();
-    leds[initcount] = CHSV((255/NUM_LEDS)*initcount, 255, 128);
+    leds[initcount] = CHSV((255/NUM_LEDS)*initcount, 255, brightness);
     FastLED.show();
     delay(100);
   }
@@ -209,7 +215,7 @@ void set_word(int word, time_t current_time = loctime) {
   {
     if (clockWords[word][i] >= 0)
     {
-      leds[clockWords[word][i]] = CHSV(color, 255, 128);
+      leds[clockWords[word][i]] = CHSV(color, 255, brightness);
       Serial.print(clockWords[word][i]);
       Serial.print("  ");
     }
@@ -217,10 +223,25 @@ void set_word(int word, time_t current_time = loctime) {
   Serial.println();
 }
 
+void set_brightness()
+{
+  switch(int(hour(loctime)))
+  {
+    case BRIGHTNESS_HIGH_TIME:
+      brightness = BRIGHTNESS_HIGH;
+      break;
+    case BRIGHTNESS_LOW_TIME:
+      brightness = BRIGHTNESS_LOW;
+      break;
+  }
+
+}
+
 void setClock() {
   Serial.println("Updating display...");
   time_t current_time = loctime;
   clear(false);
+  set_brightness(); // ***Should set brightness
   set_word(M_ES);  // switch es on
   set_word(M_IST);  // switch ist on
   getMinuteWord();  //get word for "minute"
@@ -237,13 +258,13 @@ int getHour()
   /*
     get current hour if minute < 20
       Es ist viertel nach zehn
-    get next hour if minute >=20
+    get next hour if minute >=25
-      Es ist zehn vor halb elf
+      Es ist fuenf vor halb elf
     adjust hour to correct word around midnight:
       23:25 --> Es ist fuenf vor halb zwoelf
   */
   Serial.println(m);
-  if (m >= 20)
+  if (m >= 25)
   {
     if (h < 23)
     {
@@ -382,7 +403,7 @@ void getMinuteWord()
     case 24:
       set_word(M_ZWANZIG);
       set_word(M_NACH);
-      Serial.println("zehn vor halb");
+      Serial.println("zwanzig nach");
       break;
     case 25:
     case 26: