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25 Mar 2008

timer-project.jpg

This is a PIC16F877 based Timer.The outputs consist of a single 7-segment LED display and a piezo speaker . The inputs consist of a 10-position “BCD” rotary switch (for digit entry), two pushbuttons (set and start/stop), and two bits of a 8-position DIP switch (timer selection).The breadboard on the right of the photo contains the microcontroller (PIC16F877) and most of the other components of the timer; the breadboard on the left contains the serial-port adapter circuit used for programming and the DIP switch. [via]

Timer Project - [Link]

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