bradgrier.com

Month: February 2023

  • Don’t want to install employer’s Multi-Function Authentication app on your phone? Five reasons to support your position.

    In case you are looking for a few reasons beyond 'I just don't want to', which is fine, and a valid reason on its own. Here's more.

  • TS1000 upgrade – log entry 3 — On The Big Screen!

    If you’ve been following along, you may recollect that this journey to modernizing my vintage Timex Sinclair began when I watched this four-part video series by The Byte Attic, and decided ‘yeah, that looks like something I could do’. If you’re jumping in at this point, well, I’ve done things and have more things to do. This post will look at converting the video output of the computer from an RF signal to a more modern composite video signal with a simple hardware modification.

  • I’m don’t have the knowledge, but ChatGPT does…

    I’m work­ing on a web­site, build­ing pages that have ran­dom pull-quotes on them. And I’m mak­ing mockup / place­hold­er pages. Many mockups. This gets old pretty quickly so I’m think­ing to myself, “Self? Let’s see if we can have some fun with these quotes”. But, rather than just do a search for quotes, I thought I’d […]

  • Made a thing: Compact Benchtop Power Control Switch Box

    What do you do when your benchtop power sup­ply does­n’t have a switch to ener­gize/de-ener­gize the cir­cuit, just a mas­ter power switch? You make one: https://www.printables.com/model/387401-compact-benchtop-power-control-with-this-switch-bo

  • TS1000 upgrade – log entry 2 — More Power!

    As I'd mentioned in my previous post in this series, I've been poking around my TS1000 a bit and doing some online digging.  I found this series about refurbishing and upgrading a Sinclair ZX81. And since I wrapped up my last post testing the that unit is still alive and kicking (I think. Video is still a thing to verify with the MK One eyeballs, though it looks good in the multimeter), it's best to jump on to the next stage. Upgrading the power converter.