Install Freerouting on Ubuntu 14.04 – 16.04

Introduction Freerouting was a web application created and maintained by Alfons Wirtz at his website, here.  It allowed us to import a design file from kicad and then auto-route the project based on some design preferences.  It was basically a free auto-router for kicad.  Hence the name! For “various reasons” the author has decided to… Continue reading Install Freerouting on Ubuntu 14.04 – 16.04

Installing daily build of KiCAD [Ubuntu]

I noticed, recently, that KiCAD footprint libraries now carry the .pretty extension, and that these files cannot be read by the latest stable release of KiCAD.  In order to make use of these libraries it is necessary to install a recent build of KiCAD, which has undergone a significant overhaul of its footprint library support.… Continue reading Installing daily build of KiCAD [Ubuntu]

Resolving duplicate part name problems in KiCAD

The Problem In KiCAD, a problem occurs when you try to create a new schematic symbol for a custom library and you happen to give it the same name as another part that exists in a different library. For example, let’s say you decide to create a part called “MAX3232”, and there happens to be… Continue reading Resolving duplicate part name problems in KiCAD

Digital Multimeter Accuracy Explained

Introduction The digital multimeter is the most widely used test instrument in the electronics industry.  It is the standard tool for electronics Technicians and it’s usually the first test/diagnosis tool that a newcomer to electronics will purchase. Despite this, multimeter capabilities and especially the concepts of multimeter accuracy are often misunderstood or ignored.  I have… Continue reading Digital Multimeter Accuracy Explained