An LED has two leads: the anode (optimistic) as well as cathode (negative). It is crucial to connect the LED the correct way about inside of a circuit—LEDs are polarized components, and reversing the polarity will prevent them from Functioning. If you assemble this modest gazebo on your own, which https://www.uk-exhibitionstands.co.uk/product/desktop-roller-banners-stellar-a4/