13 JANUARY 2016
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
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
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...
04 DECEMBER 2015
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
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
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...
11 NOVEMBER 2015
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
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
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
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
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
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
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
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
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
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...