It’s been a while since I posted a new article, a delay at least partly due to me herniating a disc in my neck which left me completely unable to look downwards for any length of time and as you’ll know all too well you can’t work on circuit boards without peering down at...

I’m currently working on a new project that contains sensitive analogue components and have rediscovered what many before me already know, that is that the VUSB 5V line that comes out from your computer’s USB hub is noisy. In fact I was surprised at just how noisy it is....

Regular readers of this blog will be aware that when I want to get a batch of PCBs made I use the low-cost prototyping services available from the Chinese houses such as Seeed Studio, ITead Studio or Elecrow. It doesn’t really matter which one you choose because I’m convinced that...

I’m sure that all electronics hobbyists have, by now, noticed that anyone can get their PCBs printed at the online Chinese services such as Seeed Studio, ITead Studio and Elecrow. Many of you will have even used those services. I have, and I’ve used them often. Introduction When...