Author: joe.farr@gmail.com

  • Diptrace PCB & Schematic design software

    I would just like to thank the people at DipTrace for allowing me to update to a version of their PCB / Schematic software that supports creations with more pins.  I’ve been using DipTrace for years and after outgrowing the basic free version, upgraded to a non-profit version that allows my creations up to 1000…

  • OXO with TTL Logic

    I’ve not been around much and my hobby has taken a bit of a back seat as I’ve just been so busy with other things. However things seem to have calmed down for now and I’ve got some time to switch on the soldering iron. Whilst sorting out my late brothers affects I stumbled across…

  • So much to do… so little time

    So, as always I need to apologise for neglecting things on the site but I’ve just been so busy. Besides being busy at work I’ve also been busy in the workshop. One project that I’d like to share with you is my attempt to re-create an iconic British 8-bit computer; the Acorn System 1. The Wiki…

  • 3D printing 19″ card rack parts

    I like 19″ card racks and have made use of them in several projects including a custom computer and an extendable bench power supply unit. The only real problem with them is cost.The basic 19″ frame is reasonable enough, but the card front panels and some of the other bits are really expensive. So, several…