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Using 2 74HC595 to control a 4 digit 7 segment LED display

Description: Another way to use 595s to control a 4 digit led display. Very similar to how you control a one digit 7 segment LED display.

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How to write a code to get the number 23 and others e.g. 3 digits or 4

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thanks

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i dont see the code

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i dont see how save the code

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where is the code and schematic??

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thanks a lot

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4 digit

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Files

four_digit_595_1234.ino	The sketchfile for Episode 22 of Anything Arduino, how to connect the 4 digit 7 segment led display
img_4717.jpg	The connection table for the sketch in Anything Arduino Episode 22.
screen_shot_2015-12-20_at	Picture of the circuit made in Anything Arduino Episode 22.

Parts used

74HC595	8-bit serial-in, serial or parallel-out shift register with output latches; 3-state
Four digit seven segment	LED display