Electronic projects


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

Telephone - all subcategories

page: 1 2
Intercommunication (Intercom) circuit diagram


author:
visits: 186
Ringing Phone Light Flasher circuit diagram


author:
visits: 181
Phone Busy Indicator circuit diagram


author:
visits: 180
Cut Phone Line Detector circuit diagram


author:
visits: 170
The Original 2 Phone Link Design circuit diagram


author: Austin Hellier, Wollongong City, Australia © 1996-2003
visits: 148
The Link "P" - Privacy Link! (Telephone Intercom) circuit diagram


author: Austin Hellier - Wollongong City, Australia © 1997 - 2004
visits: 143
The Link A2B+1 (the Link Telephone Intercom - DTMF version) circuit diagram


author: Austin Hellier, Wollongong City, Australia © 1997-2003
visits: 134
Telephone Hold Button circuit diagram


author:
visits: 125
page: 1 2
project categories:
Audio (49)
Power & high voltage (43)
Radio (23)
Light & LED (31)
Tools & measurement (40)
Telephone (18)
Automotive (10)
Microcontrollers (12)
Sensors & control (47)
Timers & oscillators (40)
Miscellaneous (26)

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:
100W RMS Amplifier
500W low cost 12V to 220V inverter
12 Volt 30 Amp PSU
60W Guitar Amplifier
12VDC Fluorescent Lamp Driver
2N3055 Power Amplifier
200W audio amplifier
Cellular Phone calling Detector
15W Fm-transmitter
5,000W ultra-light, high-power amplifier, without switching-mode power supply