All items tagged with Time and Timer (105)

1-07-2003 | Manufacturers of cordless drills generally recommend a battery charging time of three hours. Once the charging time is up the battery must b...

1-05-2003 | This project is simple to build and use yet accurate enough to provide a count down from any time interval anywhere from ninety-nine minutes...

1-04-2003 | As opposed to most timer circuits, this month’s Mini Project is intended for very long periods. A switchable divider chain using two 4040 co...

1-03-2003 | This processor-driven automatic fan controller does not just run in parallel with the toilet light, but instead allows the user to adjust th...

1-12-2002 | Tea drinkers take note: you are about to see the ultimate device for lifting the tea egg out of the teapot, complete with a microcontroller...

1-12-2002 | As demonstrated in this article, a simple test instrument is sufficient to unravel the mysteries of the cryptic and impossibly small print o...

1-12-2002 | Occasionally there is a need for a timer circuit for tasks such as switching off a circuit element (such as an LC display) after a given int...

1-07-2002 | If you need an adjustable ‘on’ or ‘off’ time for some application, then this is the circuit you have been looking for. A problem that often...

1-05-2002 | The previous instalments of the Microcontroller Basics Course have primarily concentrated on programming languages. Now it’s time to take a...

1-04-2001 | A darkroom timer is not such a complicated device: you can easily build one yourself using a microcontroller.Although previous darkroom time...