TAXI PHONE

This project is a dedicated device. It dials a single phone number when the handset is lifted. There are two different modes of operation.. A slide-switch on the PC board allows the project to operate in automatic or manual mode. If the switch is in "auto dial" mode,  a pre-programmed phone number is  AUTOMATICALLY dialled when the phone is lifted. If the switch is in "push to dial,"  the project dials the ...

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Nokia phone Arduino shield

Anyone awake in the early 2000’s knows the familiar shape of those candy bar style mobile phones. In the Shenzhen phone markets we see tons of them. Literally, there are tons of these phone passing through the markets every day. Some are resold while others are disassembled for parts and recycled. This is where all those cheap Nokia 3310/5110 LCD shields come from. It’s great to see so much reuse and recycl ...

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RePhone Kit – World’s First Open Source and Modular Phone

This must be the best news for you and us this week!!! We have shipped out almost all the RePhone rewards to our backers, except those who haven't provided us their shipping details, if you are one of them, please see the following information and contact as soon as possible. These days, we are very happy to see that some of you guys are sharing photos on your facebook, twitter and any other social network, ...

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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 ...

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Cell Phone Detector

Project Summary This is a mobile phone sniffer circuit that can detect the signals being used in the GSM (Global System for Mobile Communication) band at about 900 MHz. Since the signals are digitally encoded, it can detect only the signal activity, not the speech or the message contents. A headphone is used to hear the detected signals. Project Description The circuit schematic is given in the .rar archive ...

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