An LED has two sales opportunities: the anode (good) as well as cathode (adverse). It is critical to connect the LED the best way around within a circuit—LEDs are polarized parts, and reversing the polarity will prevent them from working. The Skilled staff of designers here at Generation Exhibition will https://www.uk-exhibitionstands.co.uk/fabric-vs-pop-up-vs-traditional-a-comparison-of-exhibition-stand-options/