Apr 18

Sanden PET-07 Power Supply RS-232 Module Reverse Engineering – Part 2

Sanden Title 2

In this video we take another look at the RS-232 plug-in module for the Sanden PET-07 CC/CV power supply. In particular, we see how the voltage output can be controlled and how this clears up some ambiguity with the circuit design. In part three, we will *finally* attempt to communicate using RS-232 to monitor and […]

Apr 10

Sanden PET-07 Power Supply RS-232 Module Reverse Engineering – Part 1

Sanden Title 1

In this video we take a look at the Sanden PET-07 CC/CV power supply. In particular we look at the RS-232 plug-in module and attempt to make sense of the signals between the main board and plug-in board. In part two, we’ll apply this knowledge to attempt to receive RS-232 data from the power supply. […]

Feb 10

Electronics Workbench – Part 4 – Putting it together

Here is the design and build of my compact DIY electronics workbench. This is located in the garage / workshop in a house that I’m renting, so I’m building it to be portable and transportable in future. In this forth episode I complete the hutch shelving, mount some component trays, and more!

Feb 9

Electronics Workbench – Part 3 – Design Review

Here is the design and build of my compact DIY electronics workbench. This is located in the garage / workshop in a house that I’m renting, so I’m building it to be portable and transportable in future. In this third episode I temporarily install the lighting and load the shelving to assess the design so […]

Feb 8

Electronics Workbench – Part 2 – Shelf system modifications

Here is the design and build of my compact DIY electronics workbench. This is located in the garage / workshop in a house that I’m renting, so I’m building it to be compact and transportable in future. In this second episode I modify the hutch shelving system to raise it’s height and mount the peg-board […]

Feb 7

Electronics Workbench – Part 1 – Cabinet modifications and lighting

Here is the design and build of my compact DIY electronics workbench. This is located in the garage / workshop in a house that I’m renting, so I’m building it to be compact and transportable in future. In this first episode I describe how I will convert a cupboard into the workbench and my ideas […]

Oct 22

Protek 608 original Windows software

Protek 608 Windows software v1.02

I’ve finally managed to fire up the original Protek 608 software on an old Dell Inspiron 8100 I found stowed at the office. My previous attempts to run this software failed on Windows 8 and 10, and there’s very little information about how this software looks and operates (it’s quite niche). I decided that it […]

May 30

Protek 608 RS-232 details

Protek 608 RS-232 login analyser

This is following on from my previous post introducing the Protek 608 multimeter and my software project. In this post I detail the communications hardware, an important consideration for future development. The Protek 608 uses an RS-232 connection to allow for interfacing with a PC. This is a very common connection that most DMMs used. […]