Audio pickup from phone line |
Picks-up audio signal when near a phone that is in use. |
Caller ID and ring generator |
Uses AT90S1200 and generates FSK tones Bell 202 standard for communication and caller id. |
Cordless phone receiver v1 |
Very good schematics for cordless telephone receiver 30-50 MHz. |
Cordless phone receiver v2 |
Receiver for cordless telephones with a chip from a cordless phone. |
Phone call alert |
Alarm alert over PSTN phone line. |
Phone recorder |
Entire system for recording telephone conversations to .mp3, using USB audio pickup and a PC. |
Phoneline controller v1 |
Control your appliances over PSTN phone line. |
Smart telephone light |
Turns on lights when phone rings and if in dark. |
Telephone line recorder v1 |
A device that turns-on voice recorder automatically and taps to the phone line. |