Electronic projects

you are here: home page :: projects categories :: Telephone

Telephone - all subcategories


page: 1 2
Phone "Hold" With Music circuit diagram
Phone "Hold" With Music


author:
visits: 3667
The Original 2 Phone Link Design circuit diagram
The Original 2 Phone Link Design


author: Austin Hellier, Wollongong City, Australia © 1996-2003
visits: 3269
Telephone line monitor circuit diagram
Telephone line monitor


author: smartkit
visits: 3103
Cut Phone Line Detector circuit diagram
Cut Phone Line Detector


author:
visits: 2783
Ringing Phone Light Flasher circuit diagram
Ringing Phone Light Flasher


author:
visits: 2683
The Link A2B+1 (the Link Telephone Intercom - DTMF version) circuit diagram
The Link A2B+1 (the Link Telephone Intercom - DTMF version)


author: Austin Hellier, Wollongong City, Australia © 1997-2003
visits: 2461
Phone Busy Indicator circuit diagram
Phone Busy Indicator


author:
visits: 2336
Telephone Hold Button circuit diagram
Telephone Hold Button


author:
visits: 2189
page: 1 2


project categories:
folder Audio (49)
folder Power & high voltage (43)
folder Radio (23)
folder Light & LED (31)
folder Tools & measurement (40)
folder Telephone (18)
folder Automotive (10)
folder Microcontrollers (12)
folder Sensors & control (47)
folder Timers & oscillators (40)
folder Miscellaneous (26)

StumbleUpon button

Share this page
Bookmark and Share
project subcategories:
All subcategories
 Intercoms
 phone taps
 other
recently added projects:
Doorbell for the Deaf
 High Quality Intercom
 Combinational Conjuring Trick
 POT-PLANT POWER
 Ultrasonic Dog Whistle
 Quiz Circuit
 LED Torch
 Insect Repellant
 Speaker Microphone Circuit
 Magic Wand Conjuring Trick.
most popular projects:
Led display digital Voltmeter
 500W low cost 12V to 220V inverter
 2N3055 Power Amplifier
 Metal Detector
 Basic UPS Power Supply
 200W audio amplifier
 100W RMS Amplifier
 LED Torch
 PlayPIC®
 Low pass filter - Subwoofer