In this video I have made a
stopwatch using a Common Cathode
4-Digit Seven Segment Display.

The display starts showing the
time from 0.0 seconds and goes
upto 999.9 seconds which is
the maximum time displayed by a
4-digit seven segment display.

The circuit diagram is given
in the video.

To access the code:

Open Arduino IDE and install the
SevSeg Library. Then go to
Files-Examples-Under example
from custom libraries, and find
SevSg, hover over it and click
on the 'SevSeg_Counter' and a
new window containing the
example code.

Note: Edit the line 17 of the
code which contains the
hardware configuration which should
be set s per the hardware like
COMMON_ANODE or COMMON_CATHODE.
My display was COMMON_CATHODE
that's why I showed how to
edit the line.

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