2019 – Matt's Tech Pages

New project published – low cost ultra high output variable DC power supply

December 21, 2019December 21, 2019 Bits and pieces

For the past few weeks I’ve been hammering out this project which shows how to re-use old I.T. power supplies for other purposes.

A quick look at the Keithley 2380 DC Electronic Load

December 18, 2019December 2, 2020 Test equipment

There’s plenty of information about these floating around the internet – so this is not a review, but my first impressions. Let’s unbox and take a look at this 2380-120-60:…Continue readingA quick look at the Keithley 2380 DC Electronic Load

Retrofitting a Bosco IXO cordless screwdriver with a USB-C charger connector

December 13, 2019December 2, 2020 Repair / modification

In this age of USB-C – I’m beginning to tire of things which require Micro USB to charge. Today’s annoyance: My Bosch IXO. At the time of writing neither my…Continue readingRetrofitting a Bosco IXO cordless screwdriver with a USB-C charger connector

Fixing a Sony KDL-40W5810 with a “14 blink” error code

December 3, 2019December 2, 2020 Repair / modification

A little while back I bought this TV cheaply off Gumtree – probably one of the dumber things I’ve done, as it had an array of small but annoying problems,…Continue readingFixing a Sony KDL-40W5810 with a “14 blink” error code

Does the Dell Latitude M.2 WWAN socket have the SATA interface on it?

July 7, 2019June 9, 2021 PC & Software

Recently while trying to answer this myself, I found a lot of discussion on this subject, but no definitive answer. M.2 B Key sockets have a variety of possible modes…Continue readingDoes the Dell Latitude M.2 WWAN socket have the SATA interface on it?

Those Thunderbolt to PCIe boards which shouldn’t exist, but do

June 13, 2019September 20, 2021 PC & Software

If like me you happen to have a Thunderbolt 3 enabled laptop, and are finding yourself wanting to attach arbitrary PCIe peripherals to it, you may have found yourself looking…Continue readingThose Thunderbolt to PCIe boards which shouldn’t exist, but do

Two Arduino shields for programming ancient EPROMs

May 10, 2019October 30, 2020 Vintage microcontrollers

For the past couple of years I’ve been working on two shields for programming very old EPROMs where hardware to program them is not readily available. I’ve separated these into…Continue readingTwo Arduino shields for programming ancient EPROMs

Silencing a Cisco 2951 (for where ever silence may be required)

May 5, 2019December 26, 2020 Repair / modification

A little while back I wrote a post on silencing a Cisco 2911 for home use. You can read about that here. I accept that it’s unlikely anyone would be…Continue readingSilencing a Cisco 2951 (for where ever silence may be required)

AMP RJ45 vs WE/SS (Regular) RJ45 Plugs

February 4, 2019November 23, 2021 Crimp tools and connectors

EDIT: As of 3Q 2021 it appears that all “AMP” plugs are very difficult to come by, with remaining stocks either limited or exhausted. We’ve all heard that they’re different…Continue readingAMP RJ45 vs WE/SS (Regular) RJ45 Plugs

OMG. It’s a UK (BS1363) Piggyback Plug

January 26, 2019January 11, 2021 Bits and pieces

So what I hear you say. If like me you’ve spent any amount of time searching for such a thing, you may have also noticed there is virtually bupkis in…Continue readingOMG. It’s a UK (BS1363) Piggyback Plug

Year: 2019