| Even though thousands of designs for all sorts of timers have been published over the years and commercially available timers exist in uncou...
All items tagged with Elektor Labs and Timer (7)
| Although most modern microcontrollers have an internal watchdog timer, that may not be safe enough for the system to rely on it. The built-i...
| If you ever need a large display to keep the score for games, or a counter for sports events, this is the thing to build. With its four tall...
| Feature creep is the phenomenon of adding features to a product or a program that are not necessary for operating the product or program. Ex...
| I love time; the more I can have of it, the better. Unfortunately our time is limited, but running tasks in parallel feels as if we have mor...
![Extreme long duration 555 timer without electrolytic capacitors [130257-I]](https://cdn.xingosoftware.com/elektor/images/fetch/dpr_1,w_800,h_340,c_fit/https%3A%2F%2Fwww.elektormagazine.com%2Fassets%2Fupload%2Fimages%2F44%2F20160518111155_no-project-image.png)
| Ever heard of 1GΩ resistors? The 555 timer here has a duration time of about 270s; by using a high resistance value of 1GΩ, no electrolytic...
| The timer presented here is designed to look like and mimic a classic sandglass and should need zero explaining to your kids, the operation...