More about phone (291)

1-04-2012 | First seen in the mid 1950s, dictating machines were the pinnacle of office automation. In the sales pitch of the period, these machines “co...

1-03-2012 | A low-cost Android phone forms an excellent basis for a high-end user interface or remote control for a microcontroller circuit. In this art...

1-02-2012 | With their high-resolution touchscreens, ample computing power, WLAN support and telephone functions, Android smartphones and tablets are id...

1-07-2011 | In the battle for the ‘last mile’, twisted-pair copper wire appeared to be yielding the field to newer technologies such as glass fibre and...

1-06-2011 | The first mobile telephone with the Android operating system made its debut in late 2008, and according to current estimates 350,000 new And...

1-05-2011 | A wide and rich variety of software tools is available for electronics development. These engineering aids are no longer confined to the PC:...

1-05-2011 | For meetings that do not involve too many people the microphone built into the webcam or laptop is usually sufficient for conferencing, but...

1-02-2011 | This open hardware & software project is a USB-connected interface that links a Voice-over-IP (VoIP) system to an analogue phone set or simi...

1-01-2011 | There have of course been numerous designs for headphone amplifiers before this one, either more or less successful and simpler or more elab...

1-12-2010 | This project is built around an ARM microcontroller connected to the public telephone network. You can send commands to the microcontroller...