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Circuitos electrónicos: dtmf

Duel Tone Multi Frequency (DTMF Electronic Circuits

Duel tone multi frequency (DTMF) electronic circuits, schematics or diagrams. Discovercircuits.com is your portal to free electronic circuits links.


Receptor Autonomo DTMF por Puerto Paralelo


How to build The Link A2B+1 (the Link Telephone Intercom - DTMF version) (circuit diagram)


Search result for: the link telephone intercom dtmf version :: High-Voltage-Lab.com

the link telephone intercom dtmf version circuit diagrams. Search DIY electronic projects and circuit diagrams with descriptions. Learn electronics.


pdf12vDay-Night Switch

1 GLOLAB Universal Telephone Hold UNIVERSAL HOLD CIRCUIT If you have touch tone telephone service, you can now put a call on hold from any phone in the house, [. . ]

http://discovercircuits.com/PDF-FILES/12vDay-Night Switch.pdf

Telephone Circuits

Electronic circuits for Telephone applications like status indicator, transmitter circuit, Telephone operated remote etc.


Alarm Phone Dialer with MT8880 and PIC 16F84A

Just hook this Alarm Phone Dialer up to something you would like to monitor, for example, a high water alarm, low temperature alarm, back window, garage door, etc. When the system is activated it will call a number of programmed numbers to let you know the alarm has been activated.This would be great to get alerts of alarm conditions from your home when you are at work. The microcontroller code is provided on the site........


Decoder Circuits


How to build 8 Line Intercommunication using 89c51 (circuit diagram)


Editing Test Equipment and other Equipment (section) - open Circuits


Detailed tone decoder circuit using 567 - Free Electronic projects & 8085 projects : Free Electronic projects & 8085 projects


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