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Does anyone know anything about electronics here?


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Pro Patria Finland
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Old 12-14-2006 , 15:03   Does anyone know anything about electronics here?
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Longshot, but I might aswell ask.

Are there decade counters that work like this (CD4017BC), but has more outputs?

Anyone?
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Charming
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Old 12-14-2006 , 16:45   Re: Does anyone know anything about electronics here?
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dont think so.
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Pro Patria Finland
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Old 12-14-2006 , 17:28   Re: Does anyone know anything about electronics here?
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Well, gotta work with the 10-outputs then.

Of course I could put a couple of those parallel, and then use different capacitors to make the counters use their outputs in different times.

Alotta math to do, I guess.
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faluco
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Old 12-14-2006 , 19:00   Re: Does anyone know anything about electronics here?
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I would use the 74LS160A(asynchronous reset) or 74LS162A(synchronous reset). Both count until 10(161A and 163A count until 16), but they only have 4 outputs, one per bit. You can always add a BCD converter after the counter to get nice decimal counts. Notice they have more outputs to ease putting them in cascade so you can get more than one digit, parallel input and stuff. These are a bit more complex than the one you posted but they will allow you to make more things. By the way notice they are from the TTL family so take care with voltages.
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SweatyBanana
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Old 12-14-2006 , 23:36   Re: Does anyone know anything about electronics here?
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Whoa! faluco!
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allenwr
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Old 12-14-2006 , 23:53   Re: Does anyone know anything about electronics here?
Reply With Quote #6

He is smart or a damn good liar.
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Twilight Suzuka
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Old 12-14-2006 , 23:59   Re: Does anyone know anything about electronics here?
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There is a reason he has 400 lvl on IRC.
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allenwr
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Old 12-15-2006 , 00:10   Re: Does anyone know anything about electronics here?
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IRC? I dont really know alot about irc, other then to use it and reg. a channel.

and it doesnt bother me either.
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Ingram
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Old 12-15-2006 , 00:45   Re: Does anyone know anything about electronics here?
Reply With Quote #9

You could also make your own counter with T Flip-Flops, then you can make it any size, choose whether to increment or decrement, and have parallel input. If you build this all into one circuit, use a multiplexer and two inputs to select. For asynchronous, basically just run power to the T, and use the output of a flip-flop for the clock signal (!Q to count up, Q to count down). For synchronous, you connect the same clock signal to all the clocks, and AND the output of the previous flip-flop with the current one. (You don't use an AND for the output of the first one, because it is given power)

Sorry if I am hard to understand, not very good at explaining things. You might want to look up how to do this anyway.
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Old 12-15-2006 , 01:52   Re: Does anyone know anything about electronics here?
Reply With Quote #10

Well, I think I got most of what you guys said. Gotta ask some more from my teacher too today. Thanks alot.
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