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Telephone Number Display

    
Example: Infrared control system
Electronic circuits archive 


Telephone Number Display



Source: Electronics 2000

[ file in ZIP format ] - download WinZip 8.1




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Related electronic circuits:

Automatic Dual-output Display

Telephone recording circuit

Telephone amplifier

TELEPHONE AMPLIFIER

Simple circuit to connect telephone equipment to audio mixer

Three Level Audio Power Indicator. Battery-operated 3 LED display

FM Telephone Bug

Telephone line monitor. If you feel that somebody is tampering with your telephone line you might find this little circuit useful. It detects if there is another telephone connected to the line, if there is a short or an open line. (simple)

Smart lock (12C508A). The base sends a data sequency (the password) which is recognized by the key. The key checks the sequency and -if it recognises it -sends to the base another data sequency, as an answer to the password. At the time when the base gets a correct answer (which means that the key has been introduced), the relay is put into action, and it can command a number of consummers.

FM Telephone Bug



ATTENTION! Telephone Number Display, as all other schemes are located on the sites of their rightful owners. We are not liable for the contents of other sites as well as the site having a circuit Telephone Number Display. Pressing the button you must get onto a page with Telephone Number Display.

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