diff --git a/firmware/firmware.ino b/firmware/firmware.ino
index ee17ea3..3fe7abb 100644
--- a/firmware/firmware.ino
+++ b/firmware/firmware.ino
@@ -594,9 +594,9 @@ void init_webserver()
       http_content += "<label for=\"bri\"" + (String)light_num + ">Bri</label>";
       http_content += "<input id=\"bri" + (String)light_num + "\" onchange=\"sendSliderValue(" + (String)(light_num+1) + ")\" name=\"bri" + (String)light_num + "\" type=\"range\" min=\"0\" max=\"255\" value=\"" + (String)bri[light_num] + "\">";
       http_content += "&nbsp;<span id=\"bri" + (String)light_num + "_val\" name=\"bri" + (String)light_num + "\">" + (String)(int)(bri[light_num] * 100.0 / 255.0) + "</span>%";
-      http_content += "<label for=\"light" + (String)light_num + "_pwm\">PWM-Wert</label>";
-      http_content += "<input type=\"range\" min=\"0\" max=\"383\" value=\"0\" id=\"light" + (String)light_num + "_pwm\" disabled>";
-      http_content += "&nbsp;<span id=\"light" + (String)light_num + "_pwm_txt\"></span>";
+      http_content += "<br><label for=\"light" + (String)light_num + "_pwm\">PWM-Wert</label>";
+      http_content += "<input type=\"range\" min=\"0\" max=\"100\" value=\"0\" id=\"light" + (String)light_num + "_pwm\" disabled>";
+      http_content += "&nbsp;<span id=\"light" + (String)light_num + "_pwm_txt\"></span>%";
       http_content += "<script>";
       http_content += "var slider" + (String)light_num + " = document.getElementById(\"bri" + (String)light_num + "\");";
       http_content += "var output" + (String)light_num + " = document.getElementById(\"bri" + (String)light_num + "\_val\");";
@@ -875,8 +875,8 @@ void init_webserver()
                     "fetch(url)"
                     ".then(response => response.json())"
                     ".then(data => {"
-                    "const pwmValue = data.curpwm - 640;"
-                    //"console.log('curpwm[' + i + '] = ' + data.curpwm);"
+                    "const pwmValue = ((Math.round((data.curpwm - ((data.curpwm >= 640.0) ? 640.0 : 0)) / 383.0 * 100.0) * 100.0) / 100.0).toFixed(2);" // pwm as % 640 to 1023
+                    "console.log('curpwm[' + i + '] = ' + data.curpwm + ' = ' + pwmValue);"
                     "pwmElement.innerText = pwmValue.toString();"
                     "pwmElement.value = pwmValue;"
                     "pwmElementTxt.innerText = pwmValue.toString();"