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Click to view Gas Meter Hall Effect Sensor

Gas Meter Hall Effect Sensor

Posted Wednesday 13 January 2016 19:22 Page View Counter 907

In a previous blog post we wrote about our new mains energy monitoring system which reads the values from our electric and gas meters and stores them in an online database.  The gas reading was done using a reed switch sensor which was supposed...

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Click to view ESP8266 Mains Energy Monitor

ESP8266 Mains Energy Monitor

Posted Friday 01 January 2016 21:09 Page View Counter 3237

In November of last year we finished work on our Raspberry Pi based solar data logger, a part of our ongoing smart home project that we have been working on for several years now.  The solar logger monitors all of the energy usage for the solar...

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Click to view Virtual Swanage 20 years old

Virtual Swanage 20 years old

Posted Friday 01 January 2016 20:31 Page View Counter 356

20 years of Virtual Swanage promoting our town and local area at www.virtual-swanage.co.uk In 1996 we first launched our local tourist information website for our home town of Swanage. The first version of the website was written and uploaded using...

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Click to view New Look Blog

New Look Blog

Posted Thursday 24 December 2015 13:06 Page View Counter 276

I have now launched a new version of the blog which has a new design and a completely new back end management system which we have designed and written ourselves. Andrew has helped me with the front end design, graphics and CSS for the new blog...

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Click to view Nest and Solar Logger Update

Nest and Solar Logger Update

Posted Saturday 12 December 2015 19:15 Page View Counter 814

It has now been a week since we installed the Nest 3rd Gen Learning Thermostat and we have been able to try the auto learning and heating / hot water schedules the thermostat offers. First impressions of the thermostat overall had been positive...

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Click to view Nest Learning Thermostat 3rd Gen Hot Water Installation

Nest Learning Thermostat 3rd Gen Hot Water Installation

Posted Friday 04 December 2015 22:12 Page View Counter 7940

Today the new 3rd Gen Nest Learning Thermostat with hot water control arrived which we had ordered last month when the new UK model with hot water control was announced. We needed the Nest Thermostat with the hot water control to replace our old...

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Click to view Starting your own ecommerce business

Starting your own ecommerce business

Posted Thursday 03 December 2015 22:17 Page View Counter 413

When we launched our ecommerce shop AB Electronics UK selling the Raspberry Pi expansion boards which myself and my brother Andrew have designed and hand built we thought that we knew all the potential issues and pitfalls of ecommerce as we had spent...

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Click to view Raspberry Pi Solar Data Logger Version 2

Raspberry Pi Solar Data Logger Version 2

Posted Monday 30 November 2015 19:54 Page View Counter 2539

Three years ago we designed a solar data logger based on a Raspberry Pi which monitored the solar heating and PV system in the house as well as measuring the amount of energy we were using.  This system has served us well but over time we have...

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Click to view Google Analytics server side ecommerce tracking

Google Analytics server side ecommerce tracking

Posted Saturday 14 November 2015 20:27 Page View Counter 636

Update 17th June 2016: There is a new version of this code on http://www.briandorey.com/post/Google-Analytics-server-side-ecommerce-tracking-V2 A recurring issue we have on several of the ecommerce websites we manage is the Google Analytics...

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Click to view Mastervolt Soladin 600 Optical Interface Noise Fail

Mastervolt Soladin 600 Optical Interface Noise Fail

Posted Wednesday 11 November 2015 21:12 Page View Counter 792

Since we solved the RF interference problems http://www.briandorey.com/post/mastervolt-soladin-rf-filtering with our Mastervolt Soladin 600 mains inverter we had planned to use the data port to link to our Raspberry Pi based home data logger...

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Click to view USB MultiComms Part Four Case

USB MultiComms Part Four Case

Posted Wednesday 11 November 2015 13:58 Page View Counter 505

This is part four of the USB MultiComms project, you can view part one, two and three from the links below: USB MultiComms Part One - USB Board USB MultiComms Part Two - RS232 Board USB MultiComms Part Three - UART Board With the main...

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Click to view USB MultiComms Part Three UART Board

USB MultiComms Part Three UART Board

Posted Wednesday 11 November 2015 10:00 Page View Counter 546

This is part three of the USB MultiComms project, you can view part one and two from the links below: USB MultiComms Part One - USB Board USB MultiComms Part Two - RS232 Board With the main controller board and the RS232 board built the next...

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Click to view USB MultiComms Part Two RS232 Board

USB MultiComms Part Two RS232 Board

Posted Saturday 31 October 2015 15:26 Page View Counter 691

This is part two of the USB MultiComms project, you can view part one where we built the controller board at USB MultiComms Part One - USB Board In part one of this USB MultiComms I detailed the design and construction of the main USB board that...

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Click to view USB MultiComms Part One USB Board

USB MultiComms Part One USB Board

Posted Thursday 15 October 2015 16:46 Page View Counter 676

Designing a USB communications box. Several of the projects we have been working on recently needed some form of serial communication with our PC, either through RS232, UART, I2C or SPI and at the moment we use a handful of different USB to serial...

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Click to view Sinclair ZX81 Kit Build

Sinclair ZX81 Kit Build

Posted Tuesday 13 October 2015 11:51 Page View Counter 840

Several years ago we purchased a mint conditioned unopened Sinclair ZX81 Computer Kit from eBay with the intention of building it sometime and having another classic ZX81 computer which was the first computer I had when I was 7 years old. After...

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