An LED has two sales opportunities: the anode (good) as well as the cathode (unfavorable). It is important to connect the LED the correct way around within a circuit—LEDs are polarized factors, and reversing the polarity will prevent them from Doing the job. affordable home and ton available taytay rizaltaytay https://www.uk-exhibitionstands.co.uk/product/backlit-display-kit-04/