/Schematics/Telephone circuits/Telephone line guardian v2
Turns on alarm if phone line is in use.
Download counter: 812
Rating: 
(2.92, votes 1967)
Vote: 
Date: 20-02-2004
Lokalna verzija ove stranice: Stražar telefonske linije v2
Tags: . +add your tag
402_straartel.linije2.zip
similar content
- QRP linear PA for 300 KHz to 30 MHz (22-02-2004) [@Schematics/RF amplifiers]
- Linear and Non-linear Circuits (17-10-2011) [@News]
- Audio pickup from phone line (20-02-2004) [@Schematics/Telephone circuits]
- CW transmitter 250mW and 3W linear PA for 7 MHz (22-02-2004) [@Schematics/Radio transmitters]
- Controling relays over phone line v2 (15-01-2008) [@News]
- Telephone answering machine (20-02-2004) [@Schematics/Telephone circuits]
- 500W linear PA for SW (22-02-2004) [@Schematics/RF amplifiers]
- Telephone line recorder v1 (20-02-2004) [@Schematics/Telephone circuits]
- Phone line in use indicator (14-02-2004) [@Schematics/Telephone circuits]
- Alarm alerter over phone line (17-02-2007) [@News]
add comment
Please log-in!
You can log-in on forum link: Login page. After logging-in, return to this page and click refresh in your browser.
