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31 Aug 2012
embedded-lab.com writes:
The goal of this project is to construct a simple 0-9999 seconds count down timer with an alarm and a display. The time is set through two tact switches and the count down seconds are displayed on a 4-digit seven segment LED display. The project uses PIC12F683 microcontroller for all I/O and timing operations and MAX7219 IC for driving the seven segment LED module. The time out condition is indicated by an audible alarm from a buzzer.
0-9999 seconds count down timer using PIC12F683 microcontroller - [Link]
Tags: count-down, LED display, MAX7219, Microcontroller, PIC12F683, Timer
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