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Click to view Raspberry Pi Zero Handheld Barcode Scanner Part 2

Raspberry Pi Zero Handheld Barcode Scanner Part 2

Posted Sunday 23 April 2017 21:19 Page View Counter 2134

This is the second part in an ongoing project to build a wireless barcode scanner based on the Raspberry Pi Zero. View part one here: Raspberry Pi Zero Handheld Barcode Scanner Part 1 and part three here: Raspberry Pi Zero Handheld Barcode...

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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 684

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 Raspberry Pi Solar Data Logger Version 2

Raspberry Pi Solar Data Logger Version 2

Posted Monday 30 November 2015 19:54 Page View Counter 2166

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 Mastervolt Soladin 600 Optical Interface Noise Fail

Mastervolt Soladin 600 Optical Interface Noise Fail

Posted Wednesday 11 November 2015 21:12 Page View Counter 686

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 435

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 475

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 612

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 564

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 715

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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Click to view Hope One LED Light GoPro mount

Hope One LED Light GoPro mount

Posted Wednesday 30 September 2015 20:54 Page View Counter 765

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 come with an easy to use...

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