How I Made a Clock out of Parts of Old Projects

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, …

Smart Timer Upgrade

For years this basic timer has worked very well in our house controlling the central heating. It was a success among all people because it was easy to set up and after the initial configuration we haven’t really touched it for years. It just kept working without getting in our …

Privacy Respecting Nanoleaf Replacement Light Panels

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, …

Custom Development Boards To Speed up Development

(This article is updated regularly as I create new development boards. The new ones are towards the bottom of this page.) Over the years I have created several development boards and breakout boards. Despite their cost (time, effort, money) they are invaluable investments for development. They simplify and speed up …

WiFi – IR Gateway a.k.a. Give your Dumb (Old) Devices the Smarts!

Some time ago I also completed this project that I never got around to publish. This project is a WiFi-Infrared gateway. I am aware that such commercial products exist, but at the time I needed one for my home the available options all suffered from one or more shortcomings, such …

Mirror LED Clock

I must have thought there were not enough kinds/shapes/etc clocks in the world. Or maybe I thought: “I made one in the eighties, one about 10 years ago, so it is time for another one.” I’m not sure at this stage. What I do know is that I wanted to …