Wiring instructions (a program, for example, you can pick any IO port definition can be modified in the program): VCC → 5V GND → GND DIN → P1.0 CS → P1.1 CLK → P1.2
Notice: VCC and GND Do not reversed, it would burn the chip 51 MCU P0 port requires pull-up resistor, if your device does not have a pull-up resistor can be connected to other ports data lines
1 x MAX7219 8-Digit LED Display Module Digital Tube
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Estimated Delivery Time
3 - 7 days
3 - 7 days
5 - 14 days
Post Air Mail
15 - 45 days
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N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).