An LED has two qualified prospects: the anode (constructive) as well as cathode (unfavorable). It is essential to attach the LED the best way close to within a circuit—LEDs are polarized elements, and reversing the polarity will prevent them from Doing the job. de Asistencia Asequible, ley aprobada en 2010 https://www.uk-exhibitionstands.co.uk/product/double-stand-medium/