More about Timer (127)

| 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...

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

| 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...

| 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...

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