diff --git a/wled00/data/settings_leds.htm b/wled00/data/settings_leds.htm
index 684b0d35d..047f0c056 100644
--- a/wled00/data/settings_leds.htm
+++ b/wled00/data/settings_leds.htm
@@ -305,8 +305,9 @@ Reverse (rotated 180°): <input type="checkbox" name="CV${i}">
       c += `<option value="2" ${t==2?"selected":""}>Pushbutton</option>`;
       c += `<option value="2" ${t==3?"selected":""}>Push inverted</option>`;
       c += `<option value="4" ${t==4?"selected":""}>Switch</option>`;
-      c += `<option value="5" ${t==4?"selected":""}>Switch inverted</option>`;
+      c += `<option value="5" ${t==5?"selected":""}>Switch inverted</option>`;
       c += `<option value="6" ${t==6?"selected":""}>Touch</option>`;
+      c += `<option value="7" ${t==7?"selected":""}>Analog</option>`;
       c += `</select>`;
       c += `<span style="cursor: pointer;" onclick="off('${bt}')">&nbsp;&#215;</span><br>`;
       gId("btns").innerHTML = c;
diff --git a/wled00/html_settings.h b/wled00/html_settings.h
index c0226b6c2..435d468b2 100644
--- a/wled00/html_settings.h
+++ b/wled00/html_settings.h
@@ -74,7 +74,7 @@ Do not enable if WiFi is working correctly, increases power consumption.</i><div
 // Autogenerated from wled00/data/settings_leds.htm, do not edit!!
 const char PAGE_settings_leds[] PROGMEM = R"=====(<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta 
 name="viewport" content="width=500"><title>LED Settings</title><script>
-var d=document,laprev=55,maxB=1,maxM=5e3,maxPB=4096,bquot=0;function H(){window.open("https://github.com/Aircoookie/WLED/wiki/Settings#led-settings")}function B(){window.open("/settings","_self")}function gId(e){return d.getElementById(e)}function off(e){d.getElementsByName(e)[0].value=-1}function bLimits(e,n,t){maxB=e,maxM=t,maxPB=n}function pinsOK(){var e=d.getElementsByTagName("input");for(i=0;i<e.length;i++){var n=e[i].name.substring(0,2);if(("L0"==n||"L1"==n||"L2"==n||"L3"==n||"L4"==n||"RL"==n||"BT"==n||"IR"==n)&&""!=e[i].value&&"-1"!=e[i].value){if(d.um_p&&d.um_p.some(n=>n==parseInt(e[i].value,10)))return alert(`Sorry, pins ${JSON.stringify(d.um_p)} can't be used.`),e[i].value="",e[i].focus(),!1;if(e[i].value>5&&e[i].value<12)return alert("Sorry, pins 6-11 can not be used."),e[i].value="",e[i].focus(),!1;for(j=i+1;j<e.length;j++){var t=e[j].name.substring(0,2);if(("L0"==t||"L1"==t||"L2"==t||"L3"==t||"L4"==t||"RL"==t||"BT"==t||"IR"==t)&&""!=e[j].value&&e[i].value==e[j].value)return alert(`Pin conflict between ${n}/${t}!`),e[j].value="",e[j].focus(),!1}}}return!0}function trySubmit(e){if(e.preventDefault(),!pinsOK())return e.stopPropagation(),!1;if(bquot>100){var n="Too many LEDs for me to handle!";maxM<1e4&&(n+="\n\rConsider using an ESP32."),alert(n)}d.Sf.checkValidity()&&d.Sf.submit()}function S(){GetV(),setABL()}function enABL(){var e=gId("able").checked;d.Sf.LA.value=e?laprev:0,gId("abl").style.display=e?"inline":"none",gId("psu2").style.display=e?"inline":"none",d.Sf.LA.value>0&&setABL()}function enLA(){var e=d.Sf.LAsel.value;d.Sf.LA.value=e,gId("LAdis").style.display=50==e?"inline":"none",UI()}function setABL(){switch(gId("able").checked=!0,d.Sf.LAsel.value=50,parseInt(d.Sf.LA.value)){case 0:gId("able").checked=!1,enABL();break;case 30:d.Sf.LAsel.value=30;break;case 35:d.Sf.LAsel.value=35;break;case 55:d.Sf.LAsel.value=55;break;case 255:d.Sf.LAsel.value=255;break;default:gId("LAdis").style.display="inline"}gId("m1").innerHTML=maxM,d.getElementsByName("Sf")[0].addEventListener("submit",trySubmit),UI()}function getMem(e,n,t){return e<32?maxM<1e4&&3==t?e>29?20*n:15*n:maxM>=1e4?e>29?8*n:6*n:e>29?4*n:3*n:e>31&&e<48?5:44==e||45==e?4*n:3*n}function UI(e=!1){var n=!1,t=0;gId("ampwarning").style.display=d.Sf.MA.value>7200?"inline":"none",255==d.Sf.LA.value?laprev=12:d.Sf.LA.value>0&&(laprev=d.Sf.LA.value);var a=d.getElementsByTagName("select");for(y=0;y<a.length;y++)if("LT"==a[y].name.substring(0,2)){L=a[y].name.substring(2);var i=parseInt(a[y].value,10);gId("p0d"+L).innerHTML=i>49?"Data:":i>41?"Pins:":"Pin:",gId("p1d"+L).innerHTML=i>49?"Clk:":"";var l=d.getElementsByName("L1"+L)[0];for(t+=getMem(i,d.getElementsByName("LC"+L)[0].value,d.getElementsByName("L0"+L)[0].value),v=1;v<5;v++){(l=d.getElementsByName("L"+v+L)[0])&&(i>49&&1==v||i>41&&i<50&&v+40<i?(l.style.display="inline",l.required=!0):(l.style.display="none",l.required=!1,l.value=""))}e&&(gId("ls"+L).value=L+1,i>31&&i<48&&(d.getElementsByName("LC"+L)[0].value=1)),n|=30==i||31==i||44==i||45==i,gId("dig"+L).style.display=i>31&&i<48?"none":"inline",gId("psd"+L).innerHTML=i>31&&i<48?"Index:":"Start:"}var o=d.querySelectorAll(".wc"),s=o.length;for(y=0;y<s;y++)o[y].style.display=n?"inline":"none";var u=d.getElementsByTagName("input"),r=0,p=0;for(y=0;y<u.length;y++){var m=u[y].name.substring(0,2);if("LC"!=m||"LC"===u[y].name){if("L0"==m||"L1"==m)d.getElementsByName("LC"+u[y].name.substring(2))[0].max=maxPB;if(("L0"==m||"L1"==m||"L2"==m||"L3"==m||"L4"==m||"RL"==m||"BT"==m||"IR"==m)&&""!=u[y].value&&"-1"!=u[y].value){var v=[];if(d.um_p&&Array.isArray(d.um_p))for(k=0;k<d.um_p.length;k++)v.push(d.um_p[k]);for(j=0;j<u.length;j++)if(y!=j){var g=u[j].name.substring(0,2);"L0"!=g&&"L1"!=g&&"L2"!=g&&"L3"!=g&&"L4"!=g&&"RL"!=g&&"BT"!=g&&"IR"!=g||""!=u[j].value&&"-1"!=u[j].value&&v.push(parseInt(u[j].value,10))}v.some(e=>e==parseInt(u[y].value,10))?u[y].style.color="red":u[y].style.color="#fff"}}else{var L=u[y].name.substring(2),c=parseInt(u[y].value,10);gId("ls"+L).value=r,c&&(r+=c,c>p&&(p=c))}}if(gId("LC").readOnly&&(d.getElementsByName("LC")[0].value=r),d.activeElement==d.getElementsByName("LC")[0]){var y=d.getElementsByClassName("iST").length;1==y&&(d.getElementsByName("LC0")[0].value=d.getElementsByName("LC")[0].value)}gId("m0").innerHTML=t,bquot=t/maxM*100,gId("dbar").style.background=`linear-gradient(90deg, ${bquot>60?bquot>90?"red":"orange":"#ccc"} 0 ${bquot}%%, #444 ${bquot}%% 100%%)`,gId("ledwarning").style.display=r>maxPB||p>800||bquot>80?"inline":"none",gId("ledwarning").style.color=r>maxPB||p>maxPB||bquot>100?"red":"orange",gId("wreason").innerHTML=bquot>80?"80% of max. LED memory"+(bquot>100?` (<b>WARNING: Using over ${maxM}B!</b>)`:""):"800 LEDs per pin";var f=Math.ceil((100+r*laprev)/500)/2;f=f>5?Math.ceil(f):f;a="";var b=30==d.Sf.LAsel.value,B=255==d.Sf.LAsel.value;f<1.02&&!b&&!B?a="ESP 5V pin with 1A USB supply":(a+=b?"12V ":B?"WS2815 12V ":"5V ",a+=f,a+="A supply connected to LEDs");var I=Math.ceil((100+r*laprev)/1500)/2,h="(for most effects, ~";h+=I=I>5?Math.ceil(I):I,h+="A is enough)<br>",gId("psu").innerHTML=a,gId("psu2").innerHTML=B?"":h}function lastEnd(e){return e<1?0:(v=parseInt(d.getElementsByName("LS"+(e-1))[0].value)+parseInt(d.getElementsByName("LC"+(e-1))[0].value),isNaN(v)?0:v)}function addLEDs(e){if(e>1)return maxB=e,void(gId("+").style.display="inline");var n=d.getElementsByClassName("iST"),t=n.length;if(!(1==e&&t>=maxB||-1==e&&0==t)){var a=gId("mLC");if(1==e){var i=`<div class="iST">\n${t>0?'<hr style="width:260px">':""}\n${t+1}:\n<select name="LT${t}" onchange="UI(true)">\n<option value="22">WS281x</option>\n<option value="30">SK6812 RGBW</option>\n<option value="31">TM1814</option>\n<option value="24">400kHz</option>\n<option value="50">WS2801</option>\n<option value="51">APA102</option>\n<option value="52">LPD8806</option>\n<option value="53">P9813</option>\n<option value="41">PWM White</option>\n<option value="42">PWM WWCW</option>\n<option value="43">PWM RGB</option>\n<option value="44">PWM RGBW</option>\n<option value="45">PWM RGBWC</option>\n</select>&nbsp;\nColor Order:\n<select name="CO${t}">\n<option value="0">GRB</option>\n<option value="1">RGB</option>\n<option value="2">BRG</option>\n<option value="3">RBG</option>\n<option value="4">BGR</option>\n<option value="5">GBR</option>\n</select><br>\n<span id="p0d${t}">Pin:</span> <input type="number" name="L0${t}" min="0" max="40" required style="width:35px" onchange="UI()"/>\n<span id="p1d${t}">Clock:</span> <input type="number" name="L1${t}" min="0" max="40" style="width:35px" onchange="UI()"/>\n<span id="p2d${t}"></span><input type="number" name="L2${t}" min="0" max="40" style="width:35px" onchange="UI()"/>\n<span id="p3d${t}"></span><input type="number" name="L3${t}" min="0" max="40" style="width:35px" onchange="UI()"/>\n<span id="p4d${t}"></span><input type="number" name="L4${t}" min="0" max="40" style="width:35px" onchange="UI()"/>\n<br>\n<span id="psd${t}">Start:</span> <input type="number" name="LS${t}" id="ls${t}" min="0" max="8191" value="${lastEnd(t)}" readonly required />&nbsp;\n<div id="dig${t}" style="display:inline">\nCount: <input type="number" name="LC${t}" min="0" max="${maxPB}" value="1" required oninput="UI()" /><br>\nReverse (rotated 180°): <input type="checkbox" name="CV${t}">\n&nbsp;Skip 1<sup>st</sup> LED: <input id="sl${t}" type="checkbox" name="SL${t}"><br>\n</div>\n</div>`;a.insertAdjacentHTML("beforeend",i)}-1==e&&(n[--t].remove(),--t),gId("+").style.display=t<maxB-1?"inline":"none",gId("-").style.display=t>0?"inline":"none",UI()}}function addBtn(e,n,t){var a=gId("btns").innerHTML,i="BT"+e;a+=`Button ${e} pin: <input type="number" min="-1" max="40" name="${i}" onchange="UI()" value="${n}">`,a+=`<select name="${"BE"+e}">`,a+=`<option value="0" ${0==t?"selected":""}>Disabled</option>`,a+=`<option value="2" ${2==t?"selected":""}>Pushbutton</option>`,a+=`<option value="2" ${3==t?"selected":""}>Push inverted</option>`,a+=`<option value="4" ${4==t?"selected":""}>Switch</option>`,a+=`<option value="5" ${4==t?"selected":""}>Switch inverted</option>`,a+=`<option value="6" ${6==t?"selected":""}>Touch</option>`,a+="</select>",a+=`<span style="cursor: pointer;" onclick="off('${i}')">&nbsp;&#215;</span><br>`,gId("btns").innerHTML=a}function GetV() {var d=document;
+var d=document,laprev=55,maxB=1,maxM=5e3,maxPB=4096,bquot=0;function H(){window.open("https://github.com/Aircoookie/WLED/wiki/Settings#led-settings")}function B(){window.open("/settings","_self")}function gId(e){return d.getElementById(e)}function off(e){d.getElementsByName(e)[0].value=-1}function bLimits(e,n,t){maxB=e,maxM=t,maxPB=n}function pinsOK(){var e=d.getElementsByTagName("input");for(i=0;i<e.length;i++){var n=e[i].name.substring(0,2);if(("L0"==n||"L1"==n||"L2"==n||"L3"==n||"L4"==n||"RL"==n||"BT"==n||"IR"==n)&&""!=e[i].value&&"-1"!=e[i].value){if(d.um_p&&d.um_p.some(n=>n==parseInt(e[i].value,10)))return alert(`Sorry, pins ${JSON.stringify(d.um_p)} can't be used.`),e[i].value="",e[i].focus(),!1;if(e[i].value>5&&e[i].value<12)return alert("Sorry, pins 6-11 can not be used."),e[i].value="",e[i].focus(),!1;for(j=i+1;j<e.length;j++){var t=e[j].name.substring(0,2);if(("L0"==t||"L1"==t||"L2"==t||"L3"==t||"L4"==t||"RL"==t||"BT"==t||"IR"==t)&&""!=e[j].value&&e[i].value==e[j].value)return alert(`Pin conflict between ${n}/${t}!`),e[j].value="",e[j].focus(),!1}}}return!0}function trySubmit(e){if(e.preventDefault(),!pinsOK())return e.stopPropagation(),!1;if(bquot>100){var n="Too many LEDs for me to handle!";maxM<1e4&&(n+="\n\rConsider using an ESP32."),alert(n)}d.Sf.checkValidity()&&d.Sf.submit()}function S(){GetV(),setABL()}function enABL(){var e=gId("able").checked;d.Sf.LA.value=e?laprev:0,gId("abl").style.display=e?"inline":"none",gId("psu2").style.display=e?"inline":"none",d.Sf.LA.value>0&&setABL()}function enLA(){var e=d.Sf.LAsel.value;d.Sf.LA.value=e,gId("LAdis").style.display=50==e?"inline":"none",UI()}function setABL(){switch(gId("able").checked=!0,d.Sf.LAsel.value=50,parseInt(d.Sf.LA.value)){case 0:gId("able").checked=!1,enABL();break;case 30:d.Sf.LAsel.value=30;break;case 35:d.Sf.LAsel.value=35;break;case 55:d.Sf.LAsel.value=55;break;case 255:d.Sf.LAsel.value=255;break;default:gId("LAdis").style.display="inline"}gId("m1").innerHTML=maxM,d.getElementsByName("Sf")[0].addEventListener("submit",trySubmit),UI()}function getMem(e,n,t){return e<32?maxM<1e4&&3==t?e>29?20*n:15*n:maxM>=1e4?e>29?8*n:6*n:e>29?4*n:3*n:e>31&&e<48?5:44==e||45==e?4*n:3*n}function UI(e=!1){var n=!1,t=0;gId("ampwarning").style.display=d.Sf.MA.value>7200?"inline":"none",255==d.Sf.LA.value?laprev=12:d.Sf.LA.value>0&&(laprev=d.Sf.LA.value);var a=d.getElementsByTagName("select");for(y=0;y<a.length;y++)if("LT"==a[y].name.substring(0,2)){L=a[y].name.substring(2);var i=parseInt(a[y].value,10);gId("p0d"+L).innerHTML=i>49?"Data:":i>41?"Pins:":"Pin:",gId("p1d"+L).innerHTML=i>49?"Clk:":"";var l=d.getElementsByName("L1"+L)[0];for(t+=getMem(i,d.getElementsByName("LC"+L)[0].value,d.getElementsByName("L0"+L)[0].value),v=1;v<5;v++){(l=d.getElementsByName("L"+v+L)[0])&&(i>49&&1==v||i>41&&i<50&&v+40<i?(l.style.display="inline",l.required=!0):(l.style.display="none",l.required=!1,l.value=""))}e&&(gId("ls"+L).value=L+1,i>31&&i<48&&(d.getElementsByName("LC"+L)[0].value=1)),n|=30==i||31==i||44==i||45==i,gId("dig"+L).style.display=i>31&&i<48?"none":"inline",gId("psd"+L).innerHTML=i>31&&i<48?"Index:":"Start:"}var o=d.querySelectorAll(".wc"),s=o.length;for(y=0;y<s;y++)o[y].style.display=n?"inline":"none";var u=d.getElementsByTagName("input"),r=0,p=0;for(y=0;y<u.length;y++){var m=u[y].name.substring(0,2);if("LC"!=m||"LC"===u[y].name){if("L0"==m||"L1"==m)d.getElementsByName("LC"+u[y].name.substring(2))[0].max=maxPB;if(("L0"==m||"L1"==m||"L2"==m||"L3"==m||"L4"==m||"RL"==m||"BT"==m||"IR"==m)&&""!=u[y].value&&"-1"!=u[y].value){var v=[];if(d.um_p&&Array.isArray(d.um_p))for(k=0;k<d.um_p.length;k++)v.push(d.um_p[k]);for(j=0;j<u.length;j++)if(y!=j){var g=u[j].name.substring(0,2);"L0"!=g&&"L1"!=g&&"L2"!=g&&"L3"!=g&&"L4"!=g&&"RL"!=g&&"BT"!=g&&"IR"!=g||""!=u[j].value&&"-1"!=u[j].value&&v.push(parseInt(u[j].value,10))}v.some(e=>e==parseInt(u[y].value,10))?u[y].style.color="red":u[y].style.color="#fff"}}else{var L=u[y].name.substring(2),c=parseInt(u[y].value,10);gId("ls"+L).value=r,c&&(r+=c,c>p&&(p=c))}}if(gId("LC").readOnly&&(d.getElementsByName("LC")[0].value=r),d.activeElement==d.getElementsByName("LC")[0]){var y=d.getElementsByClassName("iST").length;1==y&&(d.getElementsByName("LC0")[0].value=d.getElementsByName("LC")[0].value)}gId("m0").innerHTML=t,bquot=t/maxM*100,gId("dbar").style.background=`linear-gradient(90deg, ${bquot>60?bquot>90?"red":"orange":"#ccc"} 0 ${bquot}%%, #444 ${bquot}%% 100%%)`,gId("ledwarning").style.display=r>maxPB||p>800||bquot>80?"inline":"none",gId("ledwarning").style.color=r>maxPB||p>maxPB||bquot>100?"red":"orange",gId("wreason").innerHTML=bquot>80?"80% of max. LED memory"+(bquot>100?` (<b>WARNING: Using over ${maxM}B!</b>)`:""):"800 LEDs per pin";var f=Math.ceil((100+r*laprev)/500)/2;f=f>5?Math.ceil(f):f;a="";var b=30==d.Sf.LAsel.value,B=255==d.Sf.LAsel.value;f<1.02&&!b&&!B?a="ESP 5V pin with 1A USB supply":(a+=b?"12V ":B?"WS2815 12V ":"5V ",a+=f,a+="A supply connected to LEDs");var I=Math.ceil((100+r*laprev)/1500)/2,h="(for most effects, ~";h+=I=I>5?Math.ceil(I):I,h+="A is enough)<br>",gId("psu").innerHTML=a,gId("psu2").innerHTML=B?"":h}function lastEnd(e){return e<1?0:(v=parseInt(d.getElementsByName("LS"+(e-1))[0].value)+parseInt(d.getElementsByName("LC"+(e-1))[0].value),isNaN(v)?0:v)}function addLEDs(e){if(e>1)return maxB=e,void(gId("+").style.display="inline");var n=d.getElementsByClassName("iST"),t=n.length;if(!(1==e&&t>=maxB||-1==e&&0==t)){var a=gId("mLC");if(1==e){var i=`<div class="iST">\n${t>0?'<hr style="width:260px">':""}\n${t+1}:\n<select name="LT${t}" onchange="UI(true)">\n<option value="22">WS281x</option>\n<option value="30">SK6812 RGBW</option>\n<option value="31">TM1814</option>\n<option value="24">400kHz</option>\n<option value="50">WS2801</option>\n<option value="51">APA102</option>\n<option value="52">LPD8806</option>\n<option value="53">P9813</option>\n<option value="41">PWM White</option>\n<option value="42">PWM WWCW</option>\n<option value="43">PWM RGB</option>\n<option value="44">PWM RGBW</option>\n<option value="45">PWM RGBWC</option>\n</select>&nbsp;\nColor Order:\n<select name="CO${t}">\n<option value="0">GRB</option>\n<option value="1">RGB</option>\n<option value="2">BRG</option>\n<option value="3">RBG</option>\n<option value="4">BGR</option>\n<option value="5">GBR</option>\n</select><br>\n<span id="p0d${t}">Pin:</span> <input type="number" name="L0${t}" min="0" max="40" required style="width:35px" onchange="UI()"/>\n<span id="p1d${t}">Clock:</span> <input type="number" name="L1${t}" min="0" max="40" style="width:35px" onchange="UI()"/>\n<span id="p2d${t}"></span><input type="number" name="L2${t}" min="0" max="40" style="width:35px" onchange="UI()"/>\n<span id="p3d${t}"></span><input type="number" name="L3${t}" min="0" max="40" style="width:35px" onchange="UI()"/>\n<span id="p4d${t}"></span><input type="number" name="L4${t}" min="0" max="40" style="width:35px" onchange="UI()"/>\n<br>\n<span id="psd${t}">Start:</span> <input type="number" name="LS${t}" id="ls${t}" min="0" max="8191" value="${lastEnd(t)}" readonly required />&nbsp;\n<div id="dig${t}" style="display:inline">\nCount: <input type="number" name="LC${t}" min="0" max="${maxPB}" value="1" required oninput="UI()" /><br>\nReverse (rotated 180°): <input type="checkbox" name="CV${t}">\n&nbsp;Skip 1<sup>st</sup> LED: <input id="sl${t}" type="checkbox" name="SL${t}"><br>\n</div>\n</div>`;a.insertAdjacentHTML("beforeend",i)}-1==e&&(n[--t].remove(),--t),gId("+").style.display=t<maxB-1?"inline":"none",gId("-").style.display=t>0?"inline":"none",UI()}}function addBtn(e,n,t){var a=gId("btns").innerHTML,i="BT"+e;a+=`Button ${e} pin: <input type="number" min="-1" max="40" name="${i}" onchange="UI()" value="${n}">`,a+=`<select name="${"BE"+e}">`,a+=`<option value="0" ${0==t?"selected":""}>Disabled</option>`,a+=`<option value="2" ${2==t?"selected":""}>Pushbutton</option>`,a+=`<option value="2" ${3==t?"selected":""}>Push inverted</option>`,a+=`<option value="4" ${4==t?"selected":""}>Switch</option>`,a+=`<option value="5" ${5==t?"selected":""}>Switch inverted</option>`,a+=`<option value="6" ${6==t?"selected":""}>Touch</option>`,a+=`<option value="7" ${7==t?"selected":""}>Analog</option>`,a+="</select>",a+=`<span style="cursor: pointer;" onclick="off('${i}')">&nbsp;&#215;</span><br>`,gId("btns").innerHTML=a}function GetV() {var d=document;
 %CSS%%SCSS%</head><body onload="S()"><form
  id="form_s" name="Sf" method="post"><div class="toprow"><div class="helpB">
 <button type="button" onclick="H()">?</button></div><button type="button" 
diff --git a/wled00/wled.h b/wled00/wled.h
index 95a8d64fc..7cd1245b6 100644
--- a/wled00/wled.h
+++ b/wled00/wled.h
@@ -8,7 +8,7 @@
  */
 
 // version code in format yymmddb (b = daily build)
-#define VERSION 2105230
+#define VERSION 2105231
 
 //uncomment this if you have a "my_config.h" file you'd like to use
 //#define WLED_USE_MY_CONFIG
diff --git a/wled00/wled_math.h b/wled00/wled_math.h
index bafbd6de9..f364a9a7c 100644
--- a/wled00/wled_math.h
+++ b/wled00/wled_math.h
@@ -58,6 +58,7 @@ float asin_t(float x) {
   return HALF_PI - acos_t(x);
 }
 
+/*
 //https://stackoverflow.com/a/42542593
 #define A 0.0776509570923569
 #define B -0.287434475393028
@@ -68,6 +69,42 @@ float atan_t(float x) {
   float xx = x * x;
   return ((A*xx + B)*xx + C)*x;
 }
+*/
+//https://stackoverflow.com/a/42542593
+#define A 0.0776509570923569
+#define B -0.287434475393028
+#define C ((HALF_PI/2) - A - B)
+
+//polynominal factors for approximation between 1 and 5
+#define C0 0.089494f
+#define C1 0.974207f
+#define C2 -0.326175f
+#define C3 0.05375f
+#define C4 -0.003445f
+
+float atan_t(float x) {
+  bool neg = (x < 0);
+  #ifdef WLED_DEBUG_MATH
+  float xinput = x;
+  #endif
+  x = std::abs(x);
+  float res;
+  if (x > 5.0f) { //atan(x) converges to pi/2 - (1/x) for large values
+    res = HALF_PI - (1.0f/x);
+  }
+  else if (x > 1.0f) { //1 < x < 5
+    float xx = x * x;
+    res = (C4*xx*xx)+(C3*xx*x)+(C2*xx)+(C1*x)+C0;
+  } else { //this approximation is only for x <= 1
+    float xx = x * x;
+    res = ((A*xx + B)*xx + C)*x;
+  }
+  if (neg) res = -res;
+  #ifdef WLED_DEBUG_MATH
+  Serial.printf("atan,%f,%f,%f\n",xinput,res,atan(xinput));
+  #endif
+  return res;
+}
 
 float floor_t(float x) {
   bool neg = x < 0;
