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Can anyone give me some ideas?

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psecody

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While I was playing around with the 4013 IC I came up with the following(see schematic). Well when the power is connected it lights led 1 and when the push button is pressed then led 1 turns off and led 2 lights up but thats where it ends. What I'm wanting is to wire it so that I can push that same button again and it will turn off led 2 and light led 1 back up. I understand that I need to reset the flip flop but can't come up with a way to do it. I've tried using resistors and caps, and I tried using transistors, and I tried using the other flip flop. I just can't seem to figure it out though I have alot of ideas. Could someone give me maybe like a hint as to how I could go about resetting the circuit with the same button? Thanks
 

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Gayan Soyza

Active Member
psecody said:
While I was playing around with the 4013 IC I came up with the following(see schematic). Well when the power is connected it lights led 1 and when the push button is pressed then led 1 turns off and led 2 lights up but thats where it ends. What I'm wanting is to wire it so that I can push that same button again and it will turn off led 2 and light led 1 back up. I understand that I need to reset the flip flop but can't come up with a way to do it. I've tried using resistors and caps, and I tried using transistors, and I tried using the other flip flop. I just can't seem to figure it out though I have alot of ideas. Could someone give me maybe like a hint as to how I could go about resetting the circuit with the same button? Thanks
You need the system works like this?

1. press once- turn off LED1,turn on LED2
2. press again - turn off Both led's.
3. press once again - repeats...from turn on LED1

Is the way u need?
 

psecody

Member
well just to where:
1. press once- turn off led1, turn on led2
2. press once- turn off led2, turn on led1

I'm not sure if its working right so I did away with led2 and just bridged d and q2 then I took the voltage of d when the led1 on its 9 and when the led1 off its 0. The problem is I can't get it to flop back to its original state.
 
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psecody

Member
ok forgive my ignorance but if I had this circuit shouldn't the led turn on with the push of the button then turn off when the button is pushed again?
 

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Gayan Soyza

Active Member
psecody said:
ok forgive my ignorance but if I had this circuit shouldn't the led turn on with the push of the button then turn off when the button is pushed again?
In your first post u mentioned different thing.now you desiding another.
U need only a flip flop controling with a switch.Has many ways to do this.Here is a simple method using desrete components.
 

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psecody

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I simplified my first drawing. They're basically the exact same only without led2. its should operate the same way to 1. click for on 2 click for off.
Yeah building it out of discreet components would kind of bypass the point of why I'm doing it. I'm trying to learn more about the 4013 through practice. Its just that this one part was confusing me because what I thought was supposed to happen isn't. Thanks
 
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