Display Leds - Varie

The LED display is an electronic device capable of displaying the 10 numerical digits, some alphabetic letters and graphic symbols by switching on combinations of segments or luminous dots.
Common Cathode Display: the central pin of the LED must be connected to ground (GND) while the other different PINs are used to control the various segments or light points by connecting them to +5V. Common Anode Display: the central pin of the LED must be connected to 5V (VCC) while the other different PINs are used to control the various segments or light points by connecting them to ground (GND).