Introduction For some time I have been planning to build a number of devices that make use of stepper motors. Since I have no experience in using stepper motors I had no idea what parts, what driver and controller circuits I would need to get them running. After extensive research …
Introduction I have seen many interesting modifications of (mostly) game controllers on the internet. They all have one thing common: they were specific to the controller in question. I wanted to design something that could be attached to any controller, regardless if it uses positive logic (button pressed = logic …
Finished unit mounted on the wall, in use. Introduction This project, like others before, has started out of need: our 30+ year old mechanical timer for the central heater of the house has finally given it up. It would have been faster and cheaper to get a replacement from the …
Introduction About a year ago we bought a new washing machine which seems to work nice, but it lacks a very important feature: it doesn’t notify me when the washing is done. I usually start a new load in the morning and, even though the programs usually finish in about an …
Introduction At the time of writing this article I cannot really recall why I started out on this project in the first place. Maybe, because some time ago I was experimenting with the built-in analogue-digital converters of some PIC micros and was thinking that they could be used easily to …
Introduction Now that I can take pictures of lightning I decided that I also want to be able to trigger my camera with sound. The design I came up with has the following features: If you like this project and would like to build it yourself all the necessary information …
We have a timer in our staircase that controls the light after dark: when someone presses a button (a button is located on each floor) the lights light up for a preset period. Lately, the timer in our staircase light has started to behave weirdly – no matter what settings …
