In the following I am going to describe my own version of the light panels that, in my view, eliminate all the disadvantages of the commercial products while keeping all the advantages. I am aware that others have made similar light panels. I am making and publishing my own version, …
Introduction Earlier today I needed an extra of those USB-to-TTL-Serial adapters for a project I am currently working on. Among my spare parts I found an old one, based on the PL-2303HX chip, but when I attached it to my Windows 11 PC, it didn’t seem to work. I remember, …
Introduction In the past few weeks I have neglected this blog a little bit. With a good reason, though: I had the privilege to travel a bit in Indonesia. I could write a book about my experiences on this trip, but it would be off topic on this blog. However, …
Finished look Introduction Years ago, before I started this blog, I created a digital picture frame out of an old laptop and two wooden picture frames from IKEA. The choice of operating system was Windows XP because I had a license that I didn’t need any more and, coming from …
Introduction I am a regular on eBay and 99% of the time I successfully source items from China. The key for this success rate is knowing what to order and what to expect for your money. However, recently I ordered a number of test leads from China for about USD2.50 …
Introduction After months of waiting for my new mobile phone when I finally received it and wanted to use it it turned out that it takes a micro SIM card instead of the mini SIM card my previous phone has been using. I knew that the SIM cards have gone …
Introduction For a number of my upcoming projects I need a rig to test the functionality of a solid state relay that would be driven by a microcontroller and switch the mains for other devices. Having done projects with similar requirements in the past I remembered how much pain it …
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 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 …
