diff --git a/data/tt.html.gzip b/data/compressed.html.gzip
similarity index 100%
rename from data/tt.html.gzip
rename to data/compressed.html.gzip
diff --git a/data/http/favicon.png b/data/favicon.png
similarity index 100%
rename from data/http/favicon.png
rename to data/favicon.png
diff --git a/data/http/firefox.png b/data/http/firefox.png
deleted file mode 100644
index c3af122..0000000
Binary files a/data/http/firefox.png and /dev/null differ
diff --git a/data/http/index.html b/data/index.html
similarity index 100%
rename from data/http/index.html
rename to data/index.html
diff --git a/data/http/input.js b/data/input.js
similarity index 100%
rename from data/http/input.js
rename to data/input.js
diff --git a/data/http/style.css b/data/style.css
similarity index 100%
rename from data/http/style.css
rename to data/style.css
diff --git a/data/test.txt b/data/test.txt
deleted file mode 100644
index ec82874..0000000
--- a/data/test.txt
+++ /dev/null
@@ -1,75 +0,0 @@
- 0xEA, 0x0C, 0xD2, 0x04, 0xE1, 0x9D, 0xC4, 0x18, 0xF6, 0xC1, 
- 0x40, 0xA7, 0x08, 0x35, 0x3D, 0x67, 0x1A, 0xB5, 0x23, 0x81, 
- 0x4C, 0x96, 0x42, 0xFD, 0x43, 0xDA, 0x99, 0x71, 0x68, 0xF1, 
- 0xEA, 0x1E, 0xB9, 0xE4, 0xD0, 0xBB, 0x05, 0xAC, 0xF7, 0x5E, 
- 0x38, 0x0B, 0x31, 0x66, 0x0D, 0x8A, 0x1B, 0x6F, 0x29, 0x2B, 
- 0xEC, 0x8C, 0xED, 0xAD, 0x03, 0xE2, 0x44, 0xBA, 0xB3, 0xA1, 
- 0xB8, 0x85, 0xFC, 0xF6, 0xFB, 0xD1, 0x12, 0x63, 0x7E, 0x86, 
- 0x5A, 0x22, 0x6F, 0xEF, 0x55, 0xD4, 0x27, 0x3F, 0xCC, 0xE9, 
- 0x9A, 0x60, 0xC5, 0xD0, 0xF8, 0x29, 0x0B, 0x06, 0x2C, 0x9B, 
- 0xDC, 0x95, 0xDD, 0xA6, 0x22, 0x65, 0x3F, 0xCC, 0x7E, 0x6C, 
- 0xD3, 0x77, 0x26, 0x23, 0x9C, 0x5C, 0xD3, 0x8E, 0xB2, 0xBD, 
- 0xD1, 0xC8, 0xEA, 0xC1, 0x87, 0x2A, 0x67, 0x5B, 0xA4, 0x66, 
- 0x32, 0x60, 0x79, 0x6D, 0xE4, 0xCC, 0x6B, 0x4D, 0xA4, 0x26, 
- 0x7E, 0x06, 0x12, 0x6E, 0x3B, 0xB5, 0x55, 0x05, 0x42, 0x37, 
- 0x75, 0x2C, 0x89, 0xB7, 0x94, 0xA7, 0x28, 0x97, 0x4A, 0x2E, 
- 0x0B, 0x90, 0xFD, 0x66, 0xE8, 0xD4, 0x7C, 0xC6, 0x09, 0xFA, 
- 0x1D, 0xED, 0x54, 0x43, 0x27, 0x65, 0x49, 0xF5, 0x17, 0x03, 
- 0x1F, 0x4E, 0x6F, 0x06, 0xA7, 0x67, 0x90, 0x9D, 0xC5, 0xFA, 
- 0x61, 0xF4, 0x3C, 0x8B, 0x27, 0xB6, 0xDF, 0x92, 0x4E, 0x15, 
- 0xB2, 0xDF, 0xAE, 0xA6, 0xF3, 0x01, 0xB1, 0x56, 0x32, 0x99, 
- 0xB0, 0xEA, 0x35, 0x0B, 0xA6, 0x89, 0x62, 0x05, 0xA4, 0xC0, 
- 0x23, 0x0C, 0x5B, 0x43, 0x66, 0xB3, 0x03, 0x61, 0x9A, 0x2F, 
- 0x98, 0x02, 0x84, 0x3B, 0x0A, 0xBB, 0xFB, 0x03, 0x0E, 0x45, 
- 0x4D, 0x1C, 0xB7, 0xAF, 0x23, 0xE0, 0x15, 0xEA, 0xE5, 0xC1, 
- 0x92, 0x2D, 0x0E, 0x19, 0x7C, 0xFA, 0xFA, 0x5E, 0xA7, 0xBB, 
- 0xD8, 0x8F, 0x87, 0x4E, 0x8A, 0x99, 0x1C, 0x6A, 0x5D, 0x49, 
- 0xA8, 0xFE, 0x38, 0x84, 0x85, 0x44, 0x01, 0xCB, 0x78, 0xF9, 
- 0x6D, 0xA3, 0xD2, 0x95, 0x4A, 0xB5, 0xF7, 0xF0, 0xF9, 0x10, 
- 0xA6, 0x4B, 0xCF, 0xBE, 0x4A, 0x46, 0x21, 0x57, 0x40, 0xCB, 
- 0x91, 0xDD, 0x7A, 0xA3, 0xA9, 0x48, 0x40, 0x27, 0x98, 0x65, 
- 0xFE, 0xDC, 0x8A, 0x6B, 0xF3, 0xBB, 0x04, 0x37, 0x65, 0x09, 
- 0xFB, 0x09, 0x95, 0x62, 0xE6, 0x5B, 0x53, 0x82, 0x82, 0x70, 
- 0x3D, 0x23, 0x6C, 0xAD, 0x23, 0x84, 0xE8, 0x9F, 0xF2, 0x00, 
- 0xE0, 0x68, 0x34, 0xA8, 0xC5, 0x0C, 0xC0, 0x4A, 0xB6, 0x4A, 
- 0xD8, 0xA6, 0xB6, 0x4A, 0xF8, 0xF8, 0x75, 0x60, 0xD2, 0xE4, 
- 0x0B, 0xF9, 0x0C, 0xA6, 0xA1, 0x9C, 0xF5, 0x2E, 0x17, 0x2C, 
- 0x29, 0x8A, 0x21, 0x24, 0xEA, 0xDB, 0x95, 0xE7, 0x75, 0x25, 
- 0xAF, 0x3B, 0xC2, 0x16, 0x0E, 0x69, 0x36, 0x8F, 0x80, 0xB4, 
- 0x1A, 0x01, 0xEF, 0x0B, 0x1B, 0x09, 0x74, 0x86, 0x3C, 0xFB, 
- 0x0D, 0xF5, 0x1A, 0x01, 0x56, 0xE4, 0xA0, 0x32, 0xB0, 0x40, 
- 0x36, 0xAB, 0x40, 0x80, 0x4C, 0x39, 0x05, 0x1D, 0x43, 0xC7, 
- 0x76, 0x82, 0x51, 0x80, 0x1E, 0x13, 0xF9, 0x76, 0x44, 0xD9, 
- 0xEA, 0xB9, 0x14, 0x98, 0x72, 0x2E, 0x46, 0xC6, 0x63, 0x1D, 
- 0xB9, 0xF6, 0xD5, 0xA6, 0x75, 0xBB, 0xB2, 0x0B, 0x34, 0xA8, 
- 0x8D, 0x6E, 0x1F, 0xFF, 0xCE, 0xDA, 0x20, 0xD6, 0xEE, 0xB8, 
- 0x7B, 0xBB, 0x35, 0x35, 0xFA, 0x65, 0xBA, 0xE3, 0x62, 0xAB, 
- 0xC2, 0x64, 0x77, 0x10, 0x9D, 0xC0, 0x4F, 0xCD, 0xCF, 0xFB, 
- 0x97, 0xF4, 0x23, 0x47, 0xD7, 0x2E, 0xC9, 0xF9, 0x5E, 0x3C, 
- 0x68, 0x4E, 0x92, 0x5F, 0x06, 0x40, 0x95, 0xA1, 0x30, 0xFA, 
- 0xF1, 0xFC, 0xDC, 0xFB, 0x45, 0xF7, 0x24, 0x8D, 0xEF, 0x4D, 
- 0x49, 0xD0, 0xFE, 0x77, 0x34, 0x6D, 0x8D, 0xDB, 0x59, 0x11, 
- 0x86, 0xE2, 0x37, 0xD3, 0x2F, 0xD0, 0xB7, 0x08, 0x1E, 0x95, 
- 0xCB, 0x51, 0xD5, 0x02, 0x4C, 0x28, 0xF8, 0xAA, 0x7B, 0x7D, 
- 0x61, 0xFA, 0xCA, 0xE3, 0x66, 0x04, 0x9D, 0x95, 0x78, 0x7B, 
- 0x33, 0xD2, 0xEF, 0x77, 0xDB, 0xB3, 0xD7, 0xE5, 0x48, 0xDF, 
- 0x9A, 0x6E, 0x99, 0x21, 0x59, 0xFE, 0x99, 0xFC, 0x12, 0x8F, 
- 0x44, 0xC2, 0xB7, 0xA6, 0x46, 0xE3, 0x8A, 0x6B, 0x84, 0x23, 
- 0x08, 0x6C, 0x2F, 0xAB, 0x77, 0x78, 0x4D, 0x02, 0x6B, 0xCD, 
- 0x06, 0xDD, 0x24, 0xC1, 0x24, 0xDB, 0x36, 0xF3, 0x48, 0x5D, 
- 0xF4, 0x57, 0x73, 0xDD, 0x7F, 0xAA, 0xA2, 0x66, 0xE5, 0x37, 
- 0xEB, 0xFD, 0x1C, 0x7C, 0x40, 0x89, 0x03, 0x19, 0xDC, 0x61, 
- 0x9C, 0xC2, 0xD7, 0xB5, 0x83, 0xFA, 0x3A, 0x64, 0x23, 0xDE, 0xB2, 0x6A, 
- 0x90, 0xDF, 0x43, 0x60, 0xAC, 0x88, 0x3D, 0xBA, 0x35, 0x1D, 
- 0x34, 0x66, 0x38, 0x97, 0x01, 0xB9, 0x83, 0x9F, 0x3D, 0x74, 
- 0x12, 0x8C, 0x61, 0x2B, 0x91, 0x4A, 0x9B, 0x4B, 0x95, 0x40, 
- 0xC7, 0x11, 0x4F, 0x59, 0xF3, 0xCE, 0x56, 0x3B, 0x96, 0x42, 
- 0xC9, 0x4E, 0xE1, 0x77, 0xB0, 0x81, 0xB3, 0x2C, 0x3C, 0xB2, 
- 0x05, 0x1C, 0x3A, 0x66, 0xF5, 0xE0, 0x4F, 0xEE, 0x5B, 0xC8, 
- 0xD6, 0x52, 0x97, 0x9F, 0x1B, 0x80, 0x44, 0x53, 0xD7, 0x5D, 
- 0x8A, 0xB9, 0xA2, 0xDD, 0x99, 0xB4, 0xFA, 0xFB, 0xB9, 0xAA, 
- 0xA0, 0xA8, 0x11, 0xFA, 0xCF, 0xF5, 0xB6, 0xDF, 0xB4, 0xD7, 
- 0x56, 0x11, 0xD1, 0xE1, 0xF0, 0x45, 0xA0, 0x6C, 0xA1, 0xAE, 
- 0x92, 0xD7, 0x6F, 0xD0, 0x18, 0xF7, 0x73, 0x07, 0x15, 0xDC, 
- 0xEE, 0x37, 0xD8, 0xB1, 0x72, 0x2C, 0xAC, 0x57, 0x99, 0x57, 
- 0xD5, 0x59, 0xC7, 0xE8, 0x
\ No newline at end of file
diff --git a/src/main.cpp b/src/main.cpp
index 6c956ed..e953052 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -27,7 +27,6 @@ extern "C" {
 #include "style.css.gz.h"
 #include "favicon.png.gz.h"
 // images are possible
-// maybe check out FS <- SPIFFS
 
 const char* ssid = STASSID;
 const char* password = STAPSK;
@@ -38,33 +37,13 @@ int timer_arg;
 void setup_webserver();
 void setup_ota();
 void setup_pwm_pca9685();
-void handleRootGz();
-void handleCssGz();
 void handleNotFound();
 
 const int led = 13;
 ESP8266WebServer server(80);
 PCA9685 pwmController;
 
-void handleRootGz() {
-    const char* dataType = "text/html";
-    server.sendHeader(F("Content-Encoding"), F("gzip"));
-    server.send(200, dataType, (const char*)index_html_gz, index_html_gz_len);
-}
-
-void handleCssGz() {
-    const char* dataType = "text/css";
-    server.sendHeader(F("Content-Encoding"), F("gzip"));
-    server.send(200, dataType, (const char*)style_css_gz, style_css_gz_len);
-}
-void handleFaviconGz() {
-    const char* dataType = "image/png";
-    server.sendHeader(F("Content-Encoding"), F("gzip"));
-    server.send(200, dataType, (const char*)favicon_png_gz, favicon_png_gz_len);
-}
-
 void handleNotFound() {
-  digitalWrite(led, 1);
   String message = "File Not Found\n\n";
   message += "URI: ";
   message += server.uri();
@@ -77,27 +56,23 @@ void handleNotFound() {
   for (uint8_t i = 0; i < server.args(); i++) {
     message += " " + server.argName(i) + ": " + server.arg(i) + "\n";
   }
-
   server.send(404, "text/plain", message);
-  digitalWrite(led, 0);
 }
 
 
 void setup_webserver() {
-  // server.on("/", handleRootGz);
-  // server.on("/style.css", handleCssGz);
-  // server.on("/favicon.png", handleFaviconGz);
-   // void serveStatic(const char* uri, fs::FS& fs, const char* path, const char* cache_header = NULL );
-  
-  server.serveStatic("/static", LittleFS, "/tt.html.gzip");
-  server.serveStatic("/http", LittleFS, "/http/");
-  server.serveStatic("/http", LittleFS, "/http/");
-  server.serveStatic("/http", LittleFS, "/http/");
+  // //experimental, see doku.md
+  // server.serveStatic("/compressed", LittleFS, "/compressed.html.gzip");
 
+  server.serveStatic("", LittleFS, "/index.html");
+  server.serveStatic("/", LittleFS, "/index.html");
+  server.serveStatic("/#", LittleFS, "/index.html");
+  server.serveStatic("/style.css", LittleFS, "/style.css");
+  server.serveStatic("/index.js", LittleFS, "/index.js");
+  server.serveStatic("/favicon.png", LittleFS, "/favicon.png");
   server.onNotFound(handleNotFound);
 
   server.begin();
-  Serial.println("HTTP server started");
 }
 
 void setup_ota() {
@@ -199,8 +174,8 @@ void setup() {
     ESP.restart();
   }
 
-
-
+  pinMode(led, OUTPUT);
+  digitalWrite(led, 0);
   Serial.println("");
   Serial.print("Connected to ");
   Serial.println(ssid);
@@ -216,17 +191,11 @@ void setup() {
 
   setup_ota();
 
-  pinMode(led, OUTPUT);
-  digitalWrite(led, 0);
-  Serial.println("");
-
-  // Wait for connection
-  while (WiFi.status() != WL_CONNECTED) {
-    delay(500);
-    Serial.print(".");
-  }
   setup_webserver();
+  Serial.println("HTTP server started !");
+
   setup_pwm_pca9685();
+  Serial.println("PCA9685 connected !");
 }
 
 uint8_t softstart_led(uint8_t led, uint16_t startval, uint16_t stopval, uint8_t factor){
diff --git a/templ_platformio_ini b/templ_platformio_ini
index a333f62..4d0f7d0 100644
--- a/templ_platformio_ini
+++ b/templ_platformio_ini
@@ -13,7 +13,7 @@ platform = espressif8266
 board = nodemcuv2
 framework = arduino
 monitor_speed = 115200
-extra_scripts = pre:extra_script.py
+extra_scripts = pre:create_gz_files.py
 
 [env:serial]
 upload_protocol = esptool