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Will this circuit work?

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SPDCHK

Member
Again someone asking the same question in a million different threads. Do you want a second/third opinion on each thread?
 

arunb

Member
Word is a lousy software for schematic drawings. Use a proper software such as Eagle or PCB123.

In fact MS Word sucks even as a word processor...

thanks
aa
 

Mike_2545

Super Moderator
No that circuit will not work, there is no power anywhere in it. All wires lead to ground!

(Word as a cad program) :p
 

colin55

Well-Known Member
It looks like it will work. There is certainly some delay in the design and it's one of those clever circuits that you have to try and see for yourself.
We are talking about milliseconds delay and you need to see how long it takes to charge the 0.1u and transfer this rise to the base of Q2. Q2 is an emitter follower. It all depends if you have supply-voltage (and current) at the point labeled "to flash."
 
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mneary

New Member
I replied on one of his many other threads. It is from the net. It is powered from leakage of the hot shoe.
 

mmmmmeera

New Member
thanks sir



It looks like it will work. There is certainly some delay in the design and it's one of those clever circuits that you have to try and see for yourself.
We are talking about milliseconds delay and you need to see how long it takes to charge the 0.1u and transfer this rise to the base of Q2. Q2 is an emitter follower. It all depends if you have supply-voltage (and current) at the point labeled "to flash."
 

mmmmmeera

New Member
sir i want to delay current few more milisecond.
plzz tell me which value to change and how much ?
plzzz
tell me

It looks like it will work. There is certainly some delay in the design and it's one of those clever circuits that you have to try and see for yourself.
We are talking about milliseconds delay and you need to see how long it takes to charge the 0.1u and transfer this rise to the base of Q2. Q2 is an emitter follower. It all depends if you have supply-voltage (and current) at the point labeled "to flash."
 
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