Side projects, hobbies, and ramblings, Web 1.0 style. Why a blog, in 2025? Because if I can explain it, I probably understand it. It does not matter if anyon...
The problem with this prototype is it won't last five minutes in the bottom of my bag. So it's time to make a case for it. First problem is this DPDT switch (pictured here with disassembly already started): It comes with too much cable, and the PCB crudely soldered over the terminals is bigger than the ideal panel mounting hole. So that PCB needs to go. Numbering the wires from black (1) to red…
Let's Get Rolling Due to some embarassingly impulsive late night purchases on Ebay, and my children's occasional clumsiness, I have a small but growing collection of model engines that don't run very well. To figure out what's wrong, I need to get them on a rolling road. DCC Concepts make a nice 8-axle Multi-Gauge Rolling Road , but how best to power it on a workbench? Requirements: DC speed…
Some notes on IRSE Introduction to Railway Signalling . Principles and Functions of a Signalling System Principles A line is divided into block sections, and only one train is allowed per block, except in special circumstances. Entry to, and exit from, each block is controlled. Functions 4 safety functions: Prevent routing conflicts Maintain safe train separation Protect from driver…