B13: LED Display Down Counter with Alarm using Arduino
In this code the LED display shows counting from 9 – 0. When 0 appears on the display it produces buzzer sound. The pin configuration of LED display and connection diagram is given below.
Arduino Tips & Tricks
With the use of these tips and tricks you will be able to use the Arduino development board effectively in your coding. Use logical programming to get the most out of it…!
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