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berkeman
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Jul6-11, 11:00 AM
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Quote Quote by Zahraa17 View Post
no the 4017 is the right chip and yes i've gone through the datasheet. the 555timer has a count from 1 to 9 and that's why it goes in a clockwise direction. i do not know how to make it start from 9 to 1.

the assignment is to make a heart shaped badge. first we implement using breadboard and then on the vero board. we implement it as it is and then we modify it making the LED start lighting up in two directions.
The 555 has no count. How does the 4017 work in this application?