When diagrams are sloppy, incomplete, or inconsistent, those benefits vanish. Inaccuracies can raise doubts in court, slow ...

Well-known industry author and instructor Jim Johnson is offering a new video for technicians who want to sharpen their troubleshooting skills. "This HVAC training video program, is available in DVD ...

This code was created in 2001-2004 when I taught Borland Delphi 3 to myself. It contains many, many global variables, unstructured and undocumented procedural code and bad variable names. If you don’t ...

SKiDL is very, very cool. It’s a bit of Python code that outputs a circuit netlist for KiCAD. Why is this cool? If you design a PCB in KiCAD, you go through three steps: draw the schematic, assign ...

In the comment section of my last article, there was some great discussion about drawing schematic symbols. It is important you make your schematic symbols understandable. Sometimes, the pre-packaged ...