More about RF (650)

1-01-2009 | Radio frequency identification (commonly known as RFID) is a generic term used to describe a system that transmits the identity (in the form...

1-01-2009 | In this article we describe a low-cost yet reliable radio module that can be used with the ATM18 test system to build remote control and rem...

1-12-2008 | This module provides a simple user interface for extending microcontroller-based circuits. Graphics and text display commands can be sent to...

1-12-2008 | Happy with the good response I got to two previous Retronics stories about little known valves like the Dekatron and E1T, I decided to dig o...

1-11-2008 | We live in a colourful environment these days. Everything is in colour: TV, advertising billboards, mobile phone displays and LEDs. Philips...

1-10-2008 | The instrument described in this article combines the functions of a sweep frequency generator (‘wobbulator’) and a spectrum analyser. In th...

1-09-2008 | Controlling a computer using the power of thought alone is less far-fetched than you might believe. The easy part is to measure precisely th...

1-07-2008 | The RFID-based project described here employs a specially-programmed IC from the ‘SFChip’ (the ‘SF’ stands for ‘Special Function’) product f...

1-07-2008 | When designing a precision outdoor temperature sensor it is a good idea to electrically isolate the sensor from the signal conditioning circ...

1-07-2008 | Nowadays microcontroller circuits that cannot be connected to a PC are hopelessly old-fashioned. One option is to use one of the many types...