Countdown Timer with Arduino - Using Arduino and 4 Digit, 7 Segment Displays

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/*

OOPS, wrong video was scheduled.

This video replaces the previous borked version with the actual lesson

*/

Day 13 of 30 Days to Arduino!

In this video we look at three of the popular kinds of 4 digit 7 segment displays that you can use with Arduino

- The kind that takes a whole mess of wires
- Adafruit I2C display
- TM1637

We create a countdown timer of the kind you could use for meditation, boiling an egg, or teaching your kid to brush their teeth properly!

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Hi! As I was trying to compile the code, i've found an error in line 54 where you use a semicolon with a #define constant. Apart from that, thank you so much for this video, it really helped me to understand how to use 4 digit displays. If you know how to modify the code to make it count from 59:59 (min;sec) please help me do it.

eleri

THIS HELPED ME ALOT THANK YOU SO MUCH!

MED

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