An LED Has two prospects: the anode (constructive) along with the cathode (destructive). It is essential to attach the LED the best way all-around inside of a circuit—LEDs are polarized parts, and reversing the polarity will prevent them from Performing. LEDs are diodes meaning that existing can only move by https://www.uk-exhibitionstands.co.uk/product/large-exhibition-stands-design-11/