New Test Rig

The Retro Chip Tester (RCT) was developed to test „old“ memory chips from the 1970s and 1980s, which are often no longer recognized by today’s programming devices. The RCT is able to identify defective memory cells very reliably. It can save the contents of ROMs, PROMs and EPROMs to a memory card. If the memory…

One of the members of UKVAC (Aaron) put together a piece of test gear that allows you to visually check the signals on an IC whilst the board is running normally and I picked one up earlier this year as it can do a few things that the ABI Board master cannot. Having sourced a…

I have a few customers who buy several sets of PCBs to allow them to sell kits or fully assembled versions of my projects. It only seems fair that I reward them for their continued support, so in future buying 10 sets of PCBs will enable a 10% discount. If you really want to go…

With some changes to the website planned over the coming weeks, it has become necessary to improve the security a little. So, with the assistance of an SSL certificate from Let’s Encrypt the site has now moved across to HTTPS at long last. Hopefully I have configured everything properly and it won’t end up by…

The post office have now made adjustments to allow shipping to the USA once again. Any items now sent to the USA will have a 10% tariff surcharge added, along with a slight increase in postage (as the Royal Mail charge an extra 50 pence for paying the tariff on your behalf) At least I…

I was looking for some information on arcade monitors, specifically listings of capacitors needed for Capacitor Kits, and everything I found seemed to be in the way-back archive rather than on current sites. So duly reformatted the information that I found, started adding links to manuals and schematics, where I have them, and of course…