/Schematics/Telephone circuits/Phone line in use indicator
Very simple device with two LEDs as indicators.
Author (sent by): Aaron
Download counter: 1,063
Rating: (2.93, votes 1945)
Date: 14-02-2004
Lokalna verzija ove stranice: Indikacija zauzetosti telefonske linije
Tags: . +add your tag
similar content
- Microphone amplifier with parabolic plate (22-02-2004) [@Schematics/Audio devices]
- Biennophone radio from 1953 with mp3 (07-09-2010) [@News]
- Telephone line status (14-02-2004) [@Schematics/Telephone circuits]
- Warm Tube Clock v1 - User pictures (06-05-2011) [@News]
- Phone line recorder project published (02-03-2010) [@News]
- Electronic fuse - DC filter (22-02-2005) [@Schematics/Power supply]
- Warm Tube Clock v2 - User pictures (11-08-2011) [@News]
- Phone ring generator v2 (14-02-2004) [@Schematics/Telephone circuits]
- Mini megaphone/amplifier with 2 transistors (12-11-2005) [@Schematics/Audio devices]
- GSM Phone Jammer Circuit Schematics (07-02-2012) [@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.