Magnetic Contact Switches

M

machavelli

New Member

• Aug 1, 2003

• #1

i have some normally open magnetic contact switches and i need normally closed, how would i change them? relays?

 

Sebi

Active Member

• Aug 1, 2003

• #2

You can inverting also with transistor, but the concrete solution depend from Your application. Draw or describe it what You need.

 

J

john1

Active Member

• Aug 2, 2003

• #3

You can buy reed switches with normally closed contacts in them,
or you could re-design your circuit to use normally open types.

 

M

machavelli

New Member

• Aug 2, 2003

• #4

i need the switch to turn on a led whenever a door or window opens

 

Sebi

Active Member

• Aug 2, 2003

• #5

Apply this circuit...

 

Attachments

• Reed.GIF

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