Jacob Gestman Geradts (5)

1-07-2012 | Smoke alarms are extremely useful devices, but they suffer from one significant disadvantage, which is that they’re battery powered. This ci...

1-07-2011 | Along with a video switch, the circuit includes a video amplifier that has been used with good results in many other Elektor projects, which...

1-07-2010 | The big fear of every developer of a microcontroller or computer-driven control system is that the computer or controller could crash while...

1-07-2010 | The AC powerline indicator presented here has a complete galvanic isolation from the grid. The indicator is an LED that lights up when a cur...

1-07-2009 | For this interface we use an (old) computer keyboard. This contains as many switches as there are keys. These switches are scanned many time...