Forums / Project Help / Simple Digital Countdown Timer - Rickey's World of Microcontrollers & Microprocessors

Discussion in "Project Help" started by samchovatiya Aug 22, 2014.

samchovatiya

[ Fresher ]

Fri Aug 22 2014, 12:27 am

#1

I want to know that in my project of Simple Digital Countdown Timer. How i could know about 7 segment pins that which pin is connected to which terminal of the IC 7447 (BCD to 7 segment).
So please give suggest me that.

Attachment

digital_countdown_timer.zip

ajay_bhargav

Site Owner

Fri Aug 22 2014, 10:16 am

#2

It is clearly mention with segment name on the pins of IC7447, the segment names are denoted by a,b,c,d,e,f,g and dp. Dp is not used in this project so pins are left unconnected.

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