Science & Technology Archives

Microwave Inverter Repairs To The Door Button & Bezel

Introduction A few months ago my eleven year old Panasonic 1000 Watt Slimline Combi Microwave Inverter (Model: NN-A574SBBTQ) developed a problem which was only visual. The large rectangular button used to open the door began protruding on the right end by about five millimetres. Operation of the machine wasn’t impaired but continuous use with the… Continue reading Microwave Inverter Repairs To The Door Button & Bezel

Radio Wave Power And How It Gets Reduced By Distance

Introduction Some people are very concerned that radio wave power coming from radio transmitters’ antennas will harm people. In particular people are troubled by mobile phone masts causing long term health problems when they are near to their homes. I just want to make it clear how much a transmitter’s power diminishes as it spreads… Continue reading Radio Wave Power And How It Gets Reduced By Distance

An Explanation of Direct And Inverse Proportion

Introduction At least one of my other posts How Distance Reduces The Power of Radio Waves (not yet published) requires an understanding of mathematical proportionality. In particular it requires an understanding of Inverse Proportion. So I have written this article to try and clarify it. It gives an explanation of the two types of proportion,… Continue reading An Explanation of Direct And Inverse Proportion

14 Pin & 15 Pin D Connectors on VGA Cables

1.8m 15 Pin VGA Cable

Introduction I wanted to know what the difference is between VGA cables with 14 pin and 15 “D” connectors. I found the answer on the Instructables site/forum. The info I needed was contained in a reply to a query by onrust circa 2010. Well I got my answer from “ganzieee” at instructables. It was delivered… Continue reading 14 Pin & 15 Pin D Connectors on VGA Cables

Extending The Door Bell In My Home

Post Description How I extended the door bell in my home so it can be heard in the house extension and shed. It’s been done by incorporating wireless technology, while retaining my original 1980s “DING-DONG” door chime which had a great sound and an illuminated bell push.

Converting A Bell Push Light To LEDs

Post Description How I replaced an incandescent bell push light with LEDs. The bell push operates a door chime powered by AC from a bell transformer.

Cooling Fan Lubrication For An NVIDIA GeForce GTS240

Preface This post describes: My success at cooling fan lubrication on an NVIDIA GeForce GTS240 PC display adapter to silence it when it became noisy.

I Found Windows 10 Fast Startup Caused Problems

Introduction The following post will describe how to turn Windows 10 Fast Startup OFF or ON. I usually turn it off on my PCs because I’ve had startup problems as described in the following sections.

Is My Dualit Model DMF2 Milk Frother Corroding?

Introduction Unfortunately besides my Dualit Milk Frother requiring a repair (see How I Repaired A Dualit Milk Frother Model DMF2) another problem has developed. I have to ask, “Is my Dualit Milk Frother corroding?” If not what is happening to it. Is the brown mark I can see copper or rust?

How I Repaired A Dualit Milk Frother Model DMF2

Introduction My wife pressed the start button on the Dualit Milk Frother (Model DMF2) one day in the summer of 2017 and it no longer worked. This persisted so we had to heat the milk in the microwave oven for a week or two until we got a new frother. Of course, me being me,… Continue reading How I Repaired A Dualit Milk Frother Model DMF2