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how to make a sticking button? Answered

 I am currently making an electronic circuit and i have a button that when it is pressed it needs to stay on.Heres what i have so far:


do you think this will work i dont think so my self 

Note: I dont want to use a 0/1 switch because it needs to be a push to make!

Thanks

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god ownz
god ownz

11 years ago

 ohh and another thing... i tried this and the relay just makes a funny buzzing noise.

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god ownz
god ownz

11 years ago

 well basically what im doing is making an alarm just a cheap easy home made one. and what that's for is , instead of the push to make switch i will add an output for a alarm motion sensor and when the motion sensor gets triggered the alarm will go off but if i didnt have this part it world go off for like 5 seconds and turn off but i want it to stay on untill the other switch is pressed (change it for a key switch) and that should work.

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Re-design
Re-design

11 years ago

I don't know what you're going to use the switch for but what you have designed will do what you are explaining.  Push the blue switch (n.o.) and the relay closes an stays closed until the red switch (n.c.) is pushed to break the circuit and the relay releases.

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steveastrouk
steveastrouk

Answer 11 years ago

Looks to me like they want to use ONE button for both jobs, press once, it latches on, press again it latches off.

Steve

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gmxx
gmxx

11 years ago

 i believe what you are looking for is a push-push latching switch. it responds like a momentary switch, but it latches internally to act as an on off switch