diodes

[Kevin Weddle]

What diode does it take? Is it .7V or or less than that to turn a circuit off.

 

[audioguru2]

What diode does it take? Is it .7V or or less than that to turn a circuit off.

You make no sense.
A diode does not turn a circuit off, a switch turns a circuit off.

 

[Hero999]

To be honest I was tempted to delete this but decided not to be a nazi moderator.

Kevin,
What are you asking? Please read Wikipedia before asking such questions.