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Random projects and posts - page 2

15 JANUARY 2020

Sony Bravia 55XE90 KD-55XE9005 Teardown VR Damage

Last week my 55 inch Sony Bravia KD 55XE9005 LED HDR 4K Ultra HD Smart Android TV suffered an unfortunate accident with a friend who was playing Richie's Plank Experience on my Oculus Rift. While playing one of the bonus...

30 DECEMBER 2019

Collecting old photos of my hometown of Swanage

For the past few years I have been collecting vintage photographs, slides and postcards of my hometown of Swanage which is on the South Coast of England. My interest in historic photos started with our tourism website,...

03 DECEMBER 2019

Amazon Echo Input Teardown

In the black Friday sale at Amazon we purchased an Amazon Echo Input which is a small voice-controlled device that requires an external speaker and uses the Amazon Alexa voice command service. As this is the second Amazon...

29 NOVEMBER 2019

Developing a new product to sell

Since launching our AB Electronics UK shop in 2012 we have expanded from our first Raspberry Pi analogue to digital converter to over 40 custom boards and accessories we sell online at  www.abelectronics.co.uk/. This...

21 NOVEMBER 2019

12V SLA Battery Testers

We use 12 Volt sealed lead acid batteries (SLA) for many different uses from shed lighting to running radios and other 12V equipment which needs a portable power supply. To check the charge status of the batteries we usually...

04 OCTOBER 2019

Trying to Save Power and Lower our Energy Bills

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...

02 OCTOBER 2019

Aim-TTi TF930 3GHz Frequency Counter Internal PSU

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...

02 OCTOBER 2019

Workshop Tool Storage Rack

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...

25 SEPTEMBER 2019

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...

18 SEPTEMBER 2019

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...

05 SEPTEMBER 2019

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...

10 AUGUST 2019

Echo Dot 3rd Gen Digging Deeper

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...

29 JULY 2019

Sony MDS-JE440 Minidisc loading belt replacement

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...

21 JULY 2019

Echo Dot 3rd Gen Smart speaker Teardown

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...

16 JULY 2019

Broadband problems with REIN interference

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,...

16 JULY 2019

SMA 50-ohm terminator dummy loads

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...


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