An LED has two leads: the anode (good) along with the cathode (adverse). It is vital to connect the LED the correct way close to within a circuit—LEDs are polarized components, and reversing the polarity will prevent them from Operating. This method, referred to as plasma Trade therapy, has become https://www.uk-exhibitionstands.co.uk/product/pop-up-stand-3-x-3-quick-plus/