| This processor-driven automatic fan controller does not just run in parallel with the toilet light, but instead allows the user to adjust th...
| This processor-driven automatic fan controller does not just run in parallel with the toilet light, but instead allows the user to adjust th...
| As demonstrated in this article, a simple test instrument is sufficient to unravel the mysteries of the cryptic and impossibly small print o...
| 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...
| A darkroom timer is not such a complicated device: you can easily build one yourself using a microcontroller.Although previous darkroom time...
| The well-known ‘sleep’ function in clock radios and television sets switches off the equipment after a preselected time. However, what good...