Random projects and posts - page 3

Trying to Save Power and Lower our Energy Bills

04 OCTOBER 2019

This is a very text heavy post but I thought I would share our efforts to save on our energy usage in our home. With the constantly rising costs of energy we have always tried to use as little electricity and gas as possible...

Aim-TTi TF930 3GHz Frequency Counter Internal PSU

02 OCTOBER 2019

We have an Aim-TTi TF930 3GHz Frequency Counter on our test equipment shelf and this uses an external plastic plugin power brick to power the frequency counter. After cutting the plastic case from the power supply we found...

Workshop Tool Storage Rack

02 OCTOBER 2019

In our loft workshop we have many electrical hand tools and screwdrivers which we use often, and these have all been held on the wall using plastic pipe clips and magnetic tool holders. The magnetic tool holder did not...

New Brunel BMSZ trinocular stereomicroscope


After trying to repair the Oculus Rift cable earlier this month we decided it was time to replace our old stereo microscope with a new trinocular stereo microscope so we can take better photos of the things we are working...

Oculus Rift broken Cable repair attempt


I purchased my Oculus Rift headset back in July 2016 and since then it has had a lot of use. Last month I started to get an intermittent issue with the HDMI disconnecting. I assumed that it was the headset cable and so...

New C.I.F FT 03 Batch reflow oven


Following from the C.I.F CF02 reflow oven heater module upgrade post in February our C.I.F reflow oven, which has had several rebuilds over the past six years, started to fail when reflowing our boards and so we decided...

Echo Dot 3rd Gen Digging Deeper

10 AUGUST 2019

Following from the Echo Dot 3rd Gen Smart speaker Teardown post we have been exploring how the Echo Dot works and if it is possible to connect it to a computer to replace the firmware or install third party applications. The...

Sony MDS-JE440 Minidisc loading belt replacement

29 JULY 2019

I found a Sony MDS-JE440 Minidisc player in a local antique / second hand / retro  goods shop in town called Eklektika/ and Mark who owns the shop told me that the player was faulty with a dead display and broken drive...

Echo Dot 3rd Gen Smart speaker Teardown

21 JULY 2019

In the summer prime sale at Amazon we purchased a third generation Amazon Echo Dot which is a small voice-controlled speaker using Amazon’s Alexa voice command service. Part Two of this post is on Echo Dot 3rd Gen...

Broadband problems with REIN interference

16 JULY 2019

Bit of a long-winded post but maybe interesting for anyone with broadband speed problems. Over the past year we have experienced increasing problems with our broadband connection either randomly cutting out and resetting,...

SMA 50-ohm terminator dummy loads

16 JULY 2019

We needed some reverse polarity SMA Plug terminators to blank off the unused Wi-Fi connectors on our broadband router and also on our desktop computers as we previously had the antennas installed and these sometimes got...

Ford sync 3 interference white noise from speakers

05 JULY 2019

My 2016 Ford Focus has an intermittent problem with the Sync 3 sound system. Sometimes when starting the car the sound system will emit a very loud static / white noise sound from the center speaker and turning the volume...

CNC Mill new Fixed Z Axis Upgrade

19 JUNE 2019

We have replaced the old adjustable Z axis on our DIY CNC milling machine with a new fixed vertical pillar Z axis, replaced the old stepper motor and ballscrew bearings with better quality versions and added e-chain for...

CNC Mill Driver and Motor Controller Upgrades

02 JUNE 2019

  Our Axminster SIEG Super X1 Micro Mill has had many upgrades since we purchased it over 10 years ago but it has always stood on the same MDF table in the loft which had limited storage for the milling and lathe...

CIF CF02 reflow oven heater module upgrade

12 FEBRUARY 2019

Following the replacement of the control system in our reflow oven in December 2016 we encountered a problem last week where one of the glass heating elements failed and the ceramic end of the element fell apart causing...

Be quiet silent loop water cooler fail

15 OCTOBER 2018

With the very hot weather in the United Kingdom this summer we decided to try to improve the cooling on our computers by replacing our air cooled heatsinks with a sealed loop water cooler system. At the end of July we...

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About Me

Brian Dorey

Welcome to my blog, here you will find my projects and other things.
I make websites and manufacturer and sell expansion boards for the Raspberry Pi range of computers.

AB Electronics Raspberry Pi shop

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