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Random projects and posts - page 4

19 JANUARY 2016

Google Search Unusual Traffic Captcha

Whilst working on updates to one of our websites I found  strange issue when searching with google for terms related to ASP.Net assembly names and methods and many searches would result in a captcha page appearing...

13 JANUARY 2016

Gas Meter Hall Effect Sensor

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...

01 JANUARY 2016

ESP8266 Mains Energy Monitor

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...

01 JANUARY 2016

Virtual Swanage 20 years old

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...

24 DECEMBER 2015

New Look Blog

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...

12 DECEMBER 2015

Nest and Solar Logger Update

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...

04 DECEMBER 2015

Nest Learning Thermostat 3rd Gen Hot Water Installation

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...

03 DECEMBER 2015

Starting your own ecommerce business

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...

30 NOVEMBER 2015

Raspberry Pi Solar Data Logger Version 2

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...

14 NOVEMBER 2015

Google Analytics server side ecommerce tracking

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...

11 NOVEMBER 2015

Mastervolt Soladin 600 Optical Interface Noise Fail

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...

11 NOVEMBER 2015

USB MultiComms Part Four Case

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...

11 NOVEMBER 2015

USB MultiComms Part Three UART Board

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...

31 OCTOBER 2015

USB MultiComms Part Two RS232 Board

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...

15 OCTOBER 2015

USB MultiComms Part One USB Board

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...

13 OCTOBER 2015

Sinclair ZX81 Kit Build

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...

30 SEPTEMBER 2015

Hope One LED Light GoPro mount

With the dark winter evenings drawing in we are starting to use the bikes more at night than in the day time due to work commitments to try to keep fit. We purchased a set of Hope One LED lights earlier this year and they...

22 AUGUST 2015

QuietPC Silent Fan Upgrade

Last week we ordered a new compact pc for the loft workshop and a new wide screen monitor to use for our electronics development and also to use with our SDR radio.We purchased a Quiet PC Sentinel Mini system from www.quietpc.com...

11 AUGUST 2015

USB Smart Charger with Bluetooth LE

For the past few months we have been working on a set of new USB smart chargers which run from our off grid 12V system to be used for charging tablets, smartphones and other devices which charge from a USB port. The aim...

01 AUGUST 2015

HackRF One Shielded Case Installation

In 2014 we purchased a HACKRF One SDR radio and quickly found that the receiver was being swamped with local interference from nearby transmitters and other equipment. We installed the optional HACKRF EMI Shield which...

31 JULY 2015

Powerpole Fused Distribution Board Case

Since building the Powerpole fused distribution boards we have been planning to make a case to prevent accidental short circuits on the pcb boards when power is applied. We looked at commercial cases and found some suitable...


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