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(No subject)

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Slot Car Racing Lap Timer

Look what I’ve stumbled over:

http://techcobweb.wordpress.com/2009/09/02/slot-car-challenge/

 

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wow

thanks i think i could have another look at that when it comes to actually building iit but programing wise that was in arduino

(i dont thik it will look any where near that good)

 

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Pretty sure you don’t even

Pretty sure you don’t even need any programming for this, two CD4026 can count up to 99.

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The CD4026 combines a

The CD4026 combines a counter and a 7-segment output driver in the same IC. Depending on the current required by the 7-segment LEDs you might need a buffer or transistor array to boost the current from the CD4026 outputs.

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74HC164 ?

sureley it would be easier to use a 74HC164  rather than having another whole conversation about the  CD4026 so no one has to explain anything from scratch to me again

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confused

can someone explain why 63 will show a zero because if what birdmun said is true the surley the same thing would happen with every bit and therefore only 2 lights will be on

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@birdmun could u explain

@birdmun could u explain that again and why it doesn’t happen to all digits

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I am having problems understanding why, myself.

I wish I could explain it, but, I can’t. Namely because I have not put serious effort into flowcharting the code and following it through.

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aha!!!

i got it (i’ve had an epiphany) it starts at the other end i get it 

THANKS EVERYONE FOR YOUR HELP

:smiley: XD

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Well Done. And welcome.

Well Done. And welcome. Happy racing!