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- Wed Feb 16, 2005 8:07 pm
- Forum: General Discussion
- Topic: Telephone off hook light?
- Replies: 7
- Views: 2189
I have this old 2 line phone, that whenever somone in the house is on the phone, a red LED lights up. No batteries, just plug it in and it works. I would like to build a few of these "off the hook" lights without the phone, to put on the other phones in my house. This is probably a simple thing for ...