Hello List :
Here is the URL to a (sliding) door switch I’d like to use to activate a closet light.
http://www.conrad.fr/ce/fr/product/700751/Interrupteur-de-porte-16-A-R13-918
This switch design is ideal because it can be mounted in a round hole drilled in the door frame. And the contacts go straight back rather than sideways so do not interfere with mounting the switch.
Unfortunately, it appears the switch interrupts the circuit when the plunger is down, that is when the door is closed and vise versa.
Is there a way to rig this switch so it operates the other way around. So when the door is closed and the plunger down the light circuit is made?
I see a possible method here :
http://www.allaboutcircuits.com/vol_3/chpt_5/2.html
Using a transistor as a switch.
However, although I understand the circuit diagram in a general way, I don’t know enough to build the thing. Power to the light will be 12v for example. Can the current which switches the power to the light off be from the same 12v source. I guess not. But then the diagram appears to suggest they are somehow connected.
The above will give you a fairly clear idea of my level of knowledge !
All suggestions welcome : Regards Hubert Wagner
PS : Incidentally, the house I've designed and am presently building is a traditional Japanese house, hence the sliding doors.
Here is the URL to a (sliding) door switch I’d like to use to activate a closet light.
http://www.conrad.fr/ce/fr/product/700751/Interrupteur-de-porte-16-A-R13-918
This switch design is ideal because it can be mounted in a round hole drilled in the door frame. And the contacts go straight back rather than sideways so do not interfere with mounting the switch.
Unfortunately, it appears the switch interrupts the circuit when the plunger is down, that is when the door is closed and vise versa.
Is there a way to rig this switch so it operates the other way around. So when the door is closed and the plunger down the light circuit is made?
I see a possible method here :
http://www.allaboutcircuits.com/vol_3/chpt_5/2.html
Using a transistor as a switch.
However, although I understand the circuit diagram in a general way, I don’t know enough to build the thing. Power to the light will be 12v for example. Can the current which switches the power to the light off be from the same 12v source. I guess not. But then the diagram appears to suggest they are somehow connected.
The above will give you a fairly clear idea of my level of knowledge !
All suggestions welcome : Regards Hubert Wagner
PS : Incidentally, the house I've designed and am presently building is a traditional Japanese house, hence the sliding doors.