{"id":7453,"date":"2019-11-21T08:52:21","date_gmt":"2019-11-21T08:52:21","guid":{"rendered":"https:\/\/www.langir.com\/?page_id=7453"},"modified":"2025-10-28T14:07:21","modified_gmt":"2025-10-28T14:07:21","slug":"led-resistor-calculator","status":"publish","type":"page","link":"https:\/\/www.langir.com\/tr\/led-resistor-calculator\/","title":{"rendered":"LED Diren\u00e7 Hesaplay\u0131c\u0131"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_raw_code wpb_raw_html wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<script src=\"https:\/\/www.langir.com\/wp-content\/themes\/langir\/javascript\/led.js\"><\/script>\n\t\t<\/div>\n\t<\/div>\n\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>All LEDs require some form of\u00a0<b>current limiting<\/b>. Connecting an LED directly to the power supply will burn it out in a heartbeat. Overdriving, even briefly, will significantly reduce it&#8217;s life and light output.<\/p>\n<p>Fortunately, driving a single or a string of low current (20-30 mA) LEDs is a simple task &#8211; adding a small\u00a0<b>resistor in series<\/b>\u00a0is the easiest and cheapest way to limit the current. Keep in mind however, that high current (above a few hundreds of mA) LEDs are tougher to drive, and while they can be operated with a series resistor, to minimize power loss and ensure reliability, it&#8217;s advisable to use a more expensive\u00a0<i>switching current regulator<\/i>.<\/p>\n<p>Our\u00a0<b>LED calculator<\/b>\u00a0will help you determine the value of the current limiting series resistor when driving a single or an array of low-current LEDs. To get started, input the required values and hit the &#8220;Calculate&#8221; button.<\/p>\n<p>The program will draw a small schematic, display the calculated resistance and will tell you the value and color code of the nearest lower and higher standard resistor. It will calculate the power dissipated by the resistor and LED(s), the recommended resistor Wattage, the total power consumed by the circuit and the efficiency of the design (Power consumed by the LED(s) \/ Total circuit power consumption) x 100).<\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<div style=\"text-align: center; margin: 15px 0px 15px 7px; background: #b3b8c4; padding: 12px 12px; color: #fff;\">\n<p>Resistor value = <span style=\"text-decoration: underline;\">Supply voltage &#8211; LED forward voltage<\/span><\/p>\n<div style=\"margin: 0 0 0 80px;\">LED forward current<\/div>\n<\/div>\n\n\t\t<\/div>\n\t<\/div>\n\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2>Input fields<\/h2>\n\n\t\t<\/div>\n\t<\/div>\n\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p><b>Supply voltage<\/b>: Type in a voltage greater than the LED voltage drop for a single LED circuit and parallel connection or the sum of all voltage drops when connecting multiple LEDs in series.<\/p>\n<p><b>LED current<\/b>: Type in the single LED current in milliamperes. Common 3 mm and 5 mm LEDs usually operate in the range of 10-30 milliamps, but power LEDs used in lighting and automotive applications can have current requirements above 200 mA. A current of 20 mA is usually a safe value if you don&#8217;t have access to the component&#8217;s datasheet.<\/p>\n<p><b>LED color<\/b>\u00a0and\u00a0<b>Voltage drop<\/b>: Select the color of your LED. The\u00a0<i>voltage drop<\/i>\u00a0box will auto-fill with the typical value for the selected color (e.g. 2V for a standard red LED; 3.6V for a white LED used in lighting,\u00a0stroboscope, etc; 1.7V for an infrared LED used in\u00a0remote controls, etc.). However, the voltage drop varies greatly between different types of LEDs and also changes slightly with the current, so please\u00a0<span class=\"st_b\">change it<\/span>\u00a0if you know the correct value for your component.<\/p>\n<p><b>Number of LEDs<\/b>: Select the number of LEDs you want to use in your circuit. For multiple LEDs a second drop-down will appear where you can select either a\u00a0<b>series or parallel<\/b>\u00a0connection.<\/p>\n<p>Note: You should avoid connecting LEDs in parallel with just one resistor shared between them. Identical LEDs can be successfully connected in parallel, but each LED may have a slightly different voltage drop, and the brightness of the LEDs will differ. If you want to connect the LEDs in parallel each one should have its own resistor. Calculate the value for a single LED and connect all the LED-resistor pairs in parallel.<\/p>\n<p><b>Resistor precision<\/b>: select the desired standard resistor precision:\u00a010% ,\u00a05%,\u00a02% or 1%. Use our resistor color code calculator\u00a0to find out the color bands for different (20%, 0.5%&#8230;) precision resistors.<\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<table class=\"table\" border=\"0\" width=\"100%\" cellspacing=\"1\" cellpadding=\"10\" bgcolor=\"#dcdcdc\">\n<tbody>\n<tr>\n<td align=\"center\" bgcolor=\"#f0f9ff\"><strong>Color<\/strong><\/td>\n<td align=\"center\" bgcolor=\"#f0f9ff\"><strong>Voltage Drop (V)<\/strong><\/td>\n<\/tr>\n<tr>\n<td align=\"center\" bgcolor=\"#FFFFFF\">Red<\/td>\n<td align=\"center\" bgcolor=\"#FFFFFF\">2<\/td>\n<\/tr>\n<tr>\n<td align=\"center\" bgcolor=\"#FFFFFF\">Green<\/td>\n<td align=\"center\" bgcolor=\"#FFFFFF\">3.2<\/td>\n<\/tr>\n<tr>\n<td align=\"center\" bgcolor=\"#FFFFFF\">Blue<\/td>\n<td align=\"center\" bgcolor=\"#FFFFFF\">3.2<\/td>\n<\/tr>\n<tr>\n<td align=\"center\" bgcolor=\"#FFFFFF\">White<\/td>\n<td align=\"center\" bgcolor=\"#FFFFFF\">3.2<\/td>\n<\/tr>\n<tr>\n<td align=\"center\" bgcolor=\"#FFFFFF\">Yellow<\/td>\n<td align=\"center\" bgcolor=\"#FFFFFF\">2<\/td>\n<\/tr>\n<tr>\n<td align=\"center\" bgcolor=\"#FFFFFF\">Orange<\/td>\n<td align=\"center\" bgcolor=\"#FFFFFF\">2<\/td>\n<\/tr>\n<tr>\n<td align=\"center\" bgcolor=\"#FFFFFF\">Amber<\/td>\n<td align=\"center\" bgcolor=\"#FFFFFF\">2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n<div class=\"vc-zigzag-wrapper vc-zigzag-align-center\"><div class=\"vc-zigzag-inner\" style=\"width: 100%;min-height: 14px;background: 0 repeat-x url(&#039;data:image\/svg+xml;utf-8,%3C%3Fxml%20version%3D%221.0%22%20encoding%3D%22utf-8%22%3F%3E%3C%21DOCTYPE%20svg%20PUBLIC%20%22-%2F%2FW3C%2F%2FDTD%20SVG%201.1%2F%2FEN%22%20%22http%3A%2F%2Fwww.w3.org%2FGraphics%2FSVG%2F1.1%2FDTD%2Fsvg11.dtd%22%3E%3Csvg%20width%3D%2214px%22%20height%3D%2212px%22%20viewBox%3D%220%200%2018%2015%22%20version%3D%221.1%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20xmlns%3Axlink%3D%22http%3A%2F%2Fwww.w3.org%2F1999%2Fxlink%22%3E%3Cpolygon%20id%3D%22Combined-Shape%22%20fill%3D%22%23ebebeb%22%20points%3D%228.98762301%200%200%209.12771969%200%2014.519983%209%205.40479869%2018%2014.519983%2018%209.12771969%22%3E%3C%2Fpolygon%3E%3C%2Fsvg%3E&#039;);\"><\/div><\/div><\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-2\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h6>Single LED circuit<\/h6>\n\n\t\t<\/div>\n\t<\/div>\n\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-2904\" src=\"https:\/\/www.langir.com\/wp-content\/uploads\/2015\/04\/single-led.png\" alt=\"Single LED circuit\" width=\"299\" height=\"184\" \/><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-4\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_raw_code wpb_raw_html wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<form id=\"single\">\n                                    Power Voltage:<br \/>\n                                    <input onBlur=\"checkNumeric(this,0,250,'','.','');\" size=\"5\" name=\"voltagea1\" cols=\"10\" \/>\n                                    <strong> V<\/strong><br \/>\n                                    Forward Voltage:<br \/>\n                                    <input onBlur=\"checkNumeric(this,0,150,'','.','');\" size=\"5\" name=\"voltagea2\" cols=\"10\" \/>\n                                    <strong> V<\/strong><br \/>\n                                    LEDs Current:<br \/>\n                                    <input onBlur=\"checkNumeric(this,1,500,'','.','');\" size=\"5\" name=\"currenta3\" cols=\"10\" \/>\n                                    <strong> mA<\/strong><br \/>\n                                    <br \/>\n                                    <input value=\"1\" maxlength=\"3\" size=\"2\"  type=\"hidden\" name=\"leds\" cols=\"2\" \/>\n                                    <input onClick=\"compute(this.form)\" value=\"Calculator\" type=\"button\" \/>\n                                    <br \/>\n                                    <br \/>\n                                    Calculate Resistor: <br \/>\n                                    <input readonly size=\"6\" name=\"resistor\" cols=\"10\" \/>\n                                    <strong> &Omega;<\/strong><br \/>\n                                    Standard Resistor:<br \/>\n                                    <input readonly size=\"10\" name=\"match\" cols=\"10\" \/>\n                                    <br \/>\n                                    Calculate the resistor power:<br \/>\n                                    <input readonly size=\"6\" name=\"watts\" cols=\"10\" \/>\n                                    <strong> W<\/strong><br \/>\n                                    Safety resistor power: <br \/>\n                                    <input readonly size=\"6\" name=\"safe\" cols=\"10\" \/>\n                                    <strong> W<\/strong><br \/>\n                                  <\/form>\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-2\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h6>LED Series Circuit<\/h6>\n\n\t\t<\/div>\n\t<\/div>\n\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p><img decoding=\"async\" class=\"size-full wp-image-2903\" src=\"https:\/\/www.langir.com\/wp-content\/uploads\/2015\/04\/series-led.png\" alt=\"LED series circuit\" width=\"238\" height=\"329\" \/><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-4\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_raw_code wpb_raw_html wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<form id=\"series\">\n                                    Power Voltage:<br \/>\n                                    <input onBlur=\"checkNumeric(this,0,250,'','.','');\" size=\"5\" name=\"voltagea1\" cols=\"10\" \/>\n                                    <strong> V<\/strong><br \/>\n                                    Forward Voltage:<br \/>\n                                    <input onBlur=\"checkNumeric(this,0,32,'','.','');\" size=\"5\" name=\"voltagea2\" cols=\"10\" \/>\n                                    <strong> V<\/strong><br \/>\n                                    LEDs Current:<br \/>\n                                    <input onBlur=\"checkNumeric(this,1,500,'','.','');\" size=\"5\" name=\"currenta3\" cols=\"10\" \/>\n                                    <strong> mA<\/strong><br \/>\n                                    Quantity:<br \/>\n                                    <input onBlur=\"checkNumeric(this,2,100,'','','');\" value=\"2\" maxlength=\"3\" size=\"2\" name=\"leds\" cols=\"2\" \/>\n                                    <br \/>\n                                    <br \/>\n                                    <input onClick=\"compute(this.form)\" value=\"Calculator\" type=\"button\" \/>\n                                    <br \/>\n                                    <br \/>\n                                    Calculate Resistor: <br \/>\n                                    <input readonly size=\"6\" name=\"resistor\" cols=\"10\" \/>\n                                    <strong> &Omega;<\/strong><br \/>\n                                    Standard Resistor:<br \/>\n                                    <input readonly size=\"10\" name=\"match\" ols=\"10\" \/>\n                                    <br \/>\n                                    Calculate the resistor power:<br \/>\n                                    <input readonly size=\"6\" name=\"watts\" cols=\"10\" \/>\n                                    <strong> W<\/strong><br \/>\n                                    Safety resistor power: <br \/>\n                                    <input readonly size=\"6\" name=\"safe\" cols=\"10\" \/>\n                                    <strong> W<\/strong>\n                                  <\/form>\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-2\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h6>LED Parallel Circuit<\/h6>\n\n\t\t<\/div>\n\t<\/div>\n\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p><img decoding=\"async\" class=\"size-full wp-image-2902\" src=\"https:\/\/www.langir.com\/wp-content\/uploads\/2015\/04\/parallel-led.png\" alt=\"LED parallel circuit\" width=\"310\" height=\"196\" \/><\/p>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-4\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_raw_code wpb_raw_html wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<form id=\"parallel\">\n                                    Power Voltage :<br \/>\n                                    <input onBlur=\"checkNumeric(this,0,250,'','.','');\" size=\"5\" name=\"voltagea1\" cols=\"10\" \/>\n                                    <strong> V<\/strong><br \/>\n                                    Forward Voltage:<br \/>\n                                    <input onBlur=\"checkNumeric(this,0,32,'','.','');\" size=\"5\" name=\"voltagea2\" cols=\"10\" \/>\n                                    <strong> V<\/strong><br \/>\n                                    LEDs Current:<br \/>\n                                    <input onBlur=\"checkNumeric(this,1,500,'','.','');\" size=\"5\" name=\"currenta3\" cols=\"10\" \/>\n                                    <strong> mA<\/strong><br \/>\n                                    Quantity:<br \/>\n                                    <input onBlur=\"checkNumeric(this,2,500,'','','');\" value=\"2\" maxlength=\"3\" size=\"2\" name=\"leds\" cols=\"2\" \/>\n                                    <br \/>\n                                    <br \/>\n                                    <input onClick=\"compute(this.form)\" value=\"Calculator\" type=\"button\" \/>\n                                <br \/>\n                                    <br \/>\n                                    Calculate Resistor: <br \/>\n                                    <input readonly size=\"6\" name=\"resistor\" cols=\"10\" \/>\n                                    <strong> &Omega;<\/strong><br \/>\n                                    Standard Resistor:<br \/>\n                                    <input readonly size=\"10\" name=\"match\" cols=\"10\" \/>\n                                    <br \/>\n                                    Calculate the resistor power:<br \/>\n                                    <input readonly size=\"6\" name=\"watts\" cols=\"10\" \/>\n                                    <strong> W<\/strong><br \/>\n                                    Safety resistor power:<br \/>\n                                    <input readonly size=\"6\" name=\"safe\" cols=\"10\" \/>\n                                    <strong> W<\/strong>\n                                  <\/form>\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-2\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><\/div><\/div><\/div><div class=\"wpb_column vc_column_container vc_col-sm-4\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n<div class=\"vc-zigzag-wrapper vc-zigzag-align-center\"><div class=\"vc-zigzag-inner\" style=\"width: 100%;min-height: 14px;background: 0 repeat-x url(&#039;data:image\/svg+xml;utf-8,%3C%3Fxml%20version%3D%221.0%22%20encoding%3D%22utf-8%22%3F%3E%3C%21DOCTYPE%20svg%20PUBLIC%20%22-%2F%2FW3C%2F%2FDTD%20SVG%201.1%2F%2FEN%22%20%22http%3A%2F%2Fwww.w3.org%2FGraphics%2FSVG%2F1.1%2FDTD%2Fsvg11.dtd%22%3E%3Csvg%20width%3D%2214px%22%20height%3D%2212px%22%20viewBox%3D%220%200%2018%2015%22%20version%3D%221.1%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20xmlns%3Axlink%3D%22http%3A%2F%2Fwww.w3.org%2F1999%2Fxlink%22%3E%3Cpolygon%20id%3D%22Combined-Shape%22%20fill%3D%22%23ebebeb%22%20points%3D%228.98762301%200%200%209.12771969%200%2014.519983%209%205.40479869%2018%2014.519983%2018%209.12771969%22%3E%3C%2Fpolygon%3E%3C%2Fsvg%3E&#039;);\"><\/div><\/div>\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2>How to interpret the results<\/h2>\n\n\t\t<\/div>\n\t<\/div>\n\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>A simple schematic is generated with every pageload. Only the nearest standard resistor&#8217;s value is shown on the diagram and only two LED connections are drawn regardless of how many LEDs are in the circuit (but I&#8217;m sure you can easily fill in the missing bits).<\/p>\n<p>There are two resistors shown on the right. They are the nearest (upper and lower) standard values closest to the raw calculated resistance. You have to use only one in your circuit &#8211; it&#8217;s best to select the one which is closer (the one with * after the value).<\/p>\n<p>The recommended resistor Wattage is calculated with a small safety margin, so that the dissipated power stays within 60% of the rated value.<\/p>\n<p>The efficiency [%] will show you how much of the total power consumed by the circuit is actually used by the LED(s).<\/p>\n\n\t\t<\/div>\n\t<\/div>\n\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<h2>How to identify the leads of an LED<\/h2>\n\n\t\t<\/div>\n\t<\/div>\n\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-5699 alignright\" style=\"float: left;\" src=\"https:\/\/www.langir.com\/wp-content\/uploads\/2019\/03\/identifying-led-terminals.jpg\" alt=\"Identifying LED Terminals\" width=\"200\" height=\"200\" \/>An LED has two leads: a positive (anode) and a negative (cathode). On schematic diagrams, its symbol is similar to the simple diode, with two arrows pointing outwards. The anode (+) is marked with a triangle and the cathode (-) with a line. Sometimes you&#8217;ll find additional labels: <strong>A<\/strong> or + for anode and <strong>K<\/strong> or &#8211; for cathode.<\/p>\n<p>There are several ways to identify the leads of an LED:<\/p>\n<ol>\n<li>The cathode (negative) is usually marked with a\u00a0<i>flattened edge<\/i>\u00a0on the bottom of the LED&#8217;s body.<\/li>\n<li>Most LEDs are manufactured with one longer leg, indicating the positive (anode).<\/li>\n<li>Take a look inside the LED itself &#8211; the smaller metal piece inside the LED connects to the positive electrode and the bigger one connects to the negative electrode.<\/li>\n<\/ol>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n<div class=\"vc-zigzag-wrapper vc-zigzag-align-center\"><div class=\"vc-zigzag-inner\" style=\"width: 100%;min-height: 14px;background: 0 repeat-x url(&#039;data:image\/svg+xml;utf-8,%3C%3Fxml%20version%3D%221.0%22%20encoding%3D%22utf-8%22%3F%3E%3C%21DOCTYPE%20svg%20PUBLIC%20%22-%2F%2FW3C%2F%2FDTD%20SVG%201.1%2F%2FEN%22%20%22http%3A%2F%2Fwww.w3.org%2FGraphics%2FSVG%2F1.1%2FDTD%2Fsvg11.dtd%22%3E%3Csvg%20width%3D%2214px%22%20height%3D%2212px%22%20viewBox%3D%220%200%2018%2015%22%20version%3D%221.1%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20xmlns%3Axlink%3D%22http%3A%2F%2Fwww.w3.org%2F1999%2Fxlink%22%3E%3Cpolygon%20id%3D%22Combined-Shape%22%20fill%3D%22%23ebebeb%22%20points%3D%228.98762301%200%200%209.12771969%200%2014.519983%209%205.40479869%2018%2014.519983%2018%209.12771969%22%3E%3C%2Fpolygon%3E%3C%2Fsvg%3E&#039;);\"><\/div><\/div><style id=\"wpforms-css-vars-12179\">\n\t\t\t\t#wpforms-12179 {\n\t\t\t\t--wpforms-field-border-color: rgba(0, 0, 0, 0.25);\n--wpforms-field-border-color-spare: rgba(0, 0, 0, 0.25);\n--wpforms-field-text-color: rgba(0, 0, 0, 0.7);\n--wpforms-label-color: rgba(0, 0, 0, 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Connecting an LED directly to the power supply will burn it out in a heartbeat. Overdriving, even briefly, will significantly reduce it's life and light output. 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