An LED has two sales opportunities: the anode (beneficial) as well as the cathode (unfavorable). It is important to connect the LED the ideal way all around in a circuit—LEDs are polarized parts, and reversing the polarity will prevent them from Operating. Prospective buyers can build this contemporary, flat-top gazebo https://www.uk-exhibitionstands.co.uk/product-category/outdoor-event-displays/bubble-base/