An LED has two qualified prospects: the anode (optimistic) as well as the cathode (adverse). It is important to connect the LED the ideal way all over in the circuit—LEDs are polarized elements, and reversing the polarity will prevent them from Operating. Consumers can Establish this up to date, flat-major https://www.uk-exhibitionstands.co.uk/product-category/light-box-displays/pro-light-box-displays/