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My Broadband Hub & Phone Have A Backup Battery
To guard against power cuts this winter I have given my Broadband Hub and fibre to ethernet interface (ONT) a 3-hour Backup Battery.
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A Function Generator Built From A Kit Using An XR2206
Introduction This post covers some of the practicalities that have to be met when building a function generator (signal generator) using an XR2206CP Function Generator kit. I assume anyone building one of these kits has some electronic and soldering experience. The Kit Instructions I bought two of these kits and I could see immediately, when […]
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XR2206 Function Generator Kit Improved Instructions
Introduction The XR2206 Function Generator Kit is available through various outlets at a selection of prices up to £13. I got one branded ARCELI via Amazon for £7.99. Having got one, I would advise getting the cheapest one you can. Just take into consideration the trustworthiness of the seller to be sure you get what […]
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Microwave Inverter Repairs To The Door Button & Bezel
The large rectangular button used for opening the door began protruding at the righthand end by about five millimetres. Obviously it had broken.
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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 […]
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An Explanation of Direct And Inverse Proportion
Introduction At least one of my other posts How Distance Reduces The Power of Radio Waves 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, otherwise known as […]
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14 Pin & 15 Pin D Connectors on VGA Cables
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.
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Extending The Door Bell In My Home
Post Description I’ve been extending 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.
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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.
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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.
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