I was recently given a very old, dead laptop. I soon took it apart to see what parts I could salvage, what parts I could reuse in my projects. Among the numerous parts there was one that I was interested the most: the mouse pad or touchpad. I was wondering …
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 I have been quite satisfied with the desktop power supply I made from an old PC power supply. My only problem with is that it takes up a lot of space on my desk. I have been long thinking how I could reduce its size and finally I realized …
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 …
Introduction The method described below is valid for any remote control that uses conductive rubber pads for buttons. I have successfully used the same method on TV/VCR/Home theater/AC remotes and game consoles. Some time ago I decided that the next time I do it I would document it here. Recently, I ordered …
Introduction The geek inside me has always wanted a fridge that shows the inside temperature for both the freezer and the fridge compartments. However, when we recently replaced our very old fridge we ended up getting a new one without the built in thermometer. So I decided that one of …
Introduction Some time ago I was donated a non-working LG L194WT-SF LCD monitor for parts. After a couple of months of collecting dust with it I decided to have a look at it from the inside. Since the monitor has been at a repair shop and was declared beyond repair, I …
Introduction This little project was one of my first projects with microcontrollers. First, I made the circuit then, for years, I was wondering what I could do with it, until one day I came across this IKEA plastic bag dispenser. I knew immediately, it would make a perfect “housing” for …
Introduction I usually make a custom PCB for my electronic projects. Throughout development the PCB, however, changes several times. Making a custom PCB at each stage is not practical for several reasons including price, long waiting times between versions and being very wasteful. For all these reasons I use a …
