| This timer circuit is designed to switch on a 12 V load in a solar-powered installation for a preset period at the press of a button. When t...
| This timer circuit is designed to switch on a 12 V load in a solar-powered installation for a preset period at the press of a button. When t...
| Longwinded discussions are costing commerce millions. Our meeting cost timer reveals the true cost of ‘free speech’ at business gatherings....
| Many practical tasks can only be solved by using accurate timing. The ATmega controllers are well equipped in this respect; the Mega8 to Meg...
| After having looked at Flowcourse in the previous article by the same author (June 2007), this month we’re taking up our soldering irons aga...
| It has been known since Einstein that time is relative. This seems to apply particularly to children, who can make seconds and minutes seem...
| Many households have a utility supply with a separate day/night tariff, where the electricity board delivers cheaper power during the night...
| A model racetrack is a nice toy for boys. Even the ‘big’ boys like to race a little every once in a while. Of course, it is no longer consid...
| When the light switch in the garage is pressed, the light in the garage comes on for two minutes. Also, one minute and forty-five seconds af...
| Anyone who has designed circuits using the 555 timer chip will, at some time have wished that it could be programmed for longer timing perio...
| `This egg timer, which is both simple and functional, shows once again that it is not essential to use a microcontroller for everything thes...