/Schematics/Telephone circuits/Phone line in use indicator
Very simple device with two LEDs as indicators.
Author (sent by): Aaron
Download counter: 1,023
Rating: 
(2.88, votes 1227)
Vote: 
Date: 14-02-2004
Lokalna verzija ove stranice: Indikacija zauzetosti telefonske linije
Tags: . +add your tag
380_indikacijazauzetostitel.linije.zip
Buy original and new electronic components, go to Allchips electronic components supply chain
similar content
- Telephone line recorder v4 (20-02-2004) [@Schematics/Telephone circuits]
- Water tank level indicator with alarm (24-02-2004) [@Schematics/Everything else]
- Controling relays over phone line v2 (15-01-2008) [@News]
- Cordless phone receiver v2 (14-02-2004) [@Schematics/Radio receivers]
- Telephone answering machine (20-02-2004) [@Schematics/Telephone circuits]
- Telephone line guardian v1 (20-02-2004) [@Schematics/Telephone circuits]
- QRP linear PA for 300 KHz to 30 MHz (22-02-2004) [@Schematics/RF amplifiers]
- Telephone exchange with 2 numbers (15-02-2006) [@Schematics/Telephone circuits]
- Phoneline controller v1 (20-12-2007) [@Projects]
- Photo-phone (11-09-2004) [@Schematics/Optics]
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.
