One side effect of ordering PCBs from a professional fab house is that you always get more PCBs than you actually need. For example, when you place an order for a PCB prototype at PCBWay, you get at least 10 copies of the PCB, sometimes even more. In most cases, …
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 Although I am fairly well set up for working with multiple computers on a single monitor (using a 4 channel KVM switch), from time to time I have an extra equipment, be it a PC, laptop, or any other consumer electronic device that needs a display to interact with …
Introduction Over the years I have collected quite a few laptops (among many other things…). I usually pick them up when my friends and relatives get a new laptop and they throw away the old ones. Most of these laptops are not working and/or very old (i.e. around 15 years …
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 …
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 …
Introduction Ever since I got my first smartphone, I wanted to make a stand/holder for it because most of its time it spends on my desk. There are plenty of smartphone designs available on the net, but I wanted to reuse some pieces of hardware I already had and also …
