Hi there,
I have an very basic circuit consisting of a reed-switch, a 9v battery and an electromagnet. Told you it was basic
This circuit is the contents of my £40 electric cat door! I was a bit gutted when I took it appart to find it so basic, but that makes the next job easier I s'pose.
The problem is my cat doesn't hang its head around long enough for the electromagnet to unlock the door and thus can't get in.
I am looking for a circuit to add a 1 or 2 second delay in holding the electromagnet open. Can anyone let me know how to build something which would do the job? Thanks very much!
Meza
I have an very basic circuit consisting of a reed-switch, a 9v battery and an electromagnet. Told you it was basic
This circuit is the contents of my £40 electric cat door! I was a bit gutted when I took it appart to find it so basic, but that makes the next job easier I s'pose.
The problem is my cat doesn't hang its head around long enough for the electromagnet to unlock the door and thus can't get in.
I am looking for a circuit to add a 1 or 2 second delay in holding the electromagnet open. Can anyone let me know how to build something which would do the job? Thanks very much!
Meza