More about clock (248)

1-11-2003 | Over the past few years the Personal Digital Assistant or PDA has seen an evolution from a simple electronic diary to a miniature computer t...

1-07-2003 | Nowadays, the availability of inexpensive receiver components makes it attractive to use the DCF77 signal at 77.5 kHz (transmitted from Main...

1-07-2003 | This article was an entry to the Flash Competition of Elektor Electronics, and describes how a real-time clock (RTC) can be implemented in s...

1-07-2003 | One of the author’s physics projects required an accurate 1-Hz (seconds) clock signal. Unfortunately, precision 10-MHz quartz crystals are e...

1-05-2003 | Using a handful of external components our AT89S8252 Flash Micro board can be turned into a switching clock with sensor inputs and four swit...

1-12-2002 | It doesn’t take a lot of effort to convert an electromechanical time clock switch into a simple time switch, and it can be done quite simply...

1-10-2002 | A digital alarm clock which decodes and synchronises itself to the time signal picked up from the Rugby ‘MSF’ transmitter on 60 kHz.This is...

1-12-2001 | Clock radios often give atrocious reception, even when properly tuned in. This is not surprising when you consider that they usually only us...

1-07-2001 | Recent advancements in circuit integration have drastically reduced the production costs of radio-controlled clocks. These days they are not...

1-05-2001 | The switching clock described here can control up to 16 channels and has 20 memories for individual switching times, each of which may apply...