2.3 Inch Large Size 3 Digit 7 Segment SPI Display Schematic and PCB using 74HC595 and ULN2803

3 Digit 2.3 inch 7 segments SPI protocol Display module using 74HC595 project will display large size 7 segment 3 digit numbers. 2.3 Inch height, which can be visible over large distance.  More digit can be connected serially to each other easily trough connector. This circuit is a 3 digit seven segment big display using 74HC595 shift register for easy

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