The LED symbol will be the standard symbol for the diode, with the addition of two smaller arrows denoting the emission of sunshine. Modern day electronics use many kinds of LEDs, Every suited to precise applications. Here are a few frequent examples: Microsoft and DuckDuckGo have partnered to provide a https://www.uk-exhibitionstands.co.uk/product/standard-square-blimp-tower-with-tapered-tube-blimp/