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Only three IO ports are used to drive the eight digit display. MAX7219 supports flicker free displays as well as cascading displays. You you can use it for Arduino. VCC and GND should not be connected reversed, so as not to burn the chip.
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2 Mostrar 7 segmentos DOBLE Luz roja Cátodo común Descripción - Descripción LED rojo 3/21 Pagos - Pago Posibilidad de pagar con Paypal Para más información contáctenos Envío - envío Descuentos en caso de compras múltiples, ahorros considerables. Envíos a través de: Correo prioritario (no trazable, entrega en 2 a 3 días hábiles) Correo registrado (seguro y rastreable, entrega en 4 a 5 días hábiles) Correo registrado 1 (seguro y rastreable, entrega en 24 horas) Express Courier (seguro y rastreable, entrega en 24-48 horas).
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