The Hackaday Effect

The Hackaday Effect

Posted Wednesday 25 July 2012 20:04 Page View Counter 108

Today one of my projects was added to the popular hacking site Hack a Day for the Raspberry Pi solar logging project. Normally the blog receives on average 30-40 visitors and around 80 page views per hour. Within minutes of the post appearing on...

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Raspberry Pi Solar Data Logger

Raspberry Pi Solar Data Logger

Posted Tuesday 24 July 2012 15:25 Page View Counter 1925

The Raspberry Pi solar data logger project is now live and is the latest version of our previous data logging systems using Arduino and Android + IOIO board projects. The data is used on a custom reporting website on home.briandorey.com and also on...

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Raspberry Pi Fan Controller and Interface

Raspberry Pi Fan Controller and Interface

Posted Friday 20 July 2012 20:42 Page View Counter 359

To make it easier to connect the various cables to the new Raspberry Pi ADC board we decided to make a second PCB with header pins to connect to the ADC board and take these to screw terminals. Also we wanted to have a temperature controlled fan with...

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Raspberry Pi I2C Microchip MCP3428 ADC Reading

Raspberry Pi I2C Microchip MCP3428 ADC Reading

Posted Saturday 14 July 2012 15:01 Page View Counter 258

The code sample below shows how to read the ADC values from the MCP3428 16-Bit, Multi-Channel Analog-to-Digital Converter with I2C™ Interface and On-Board Reference by Microchip via I2C on the Raspberry Pi using Python. The code on this page...

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Raspberry Pi I2C  Analog to Digital Converter

Raspberry Pi I2C Analog to Digital Converter

Posted Wednesday 11 July 2012 23:24 Page View Counter 234

The original plan for the Analog-to-Digital Converter was to use the Dallas 1-Wire system and use the DS2450 1-Wire Quad A/D Converter which was advertised as being a 16 bit device but after buying two of the chips which are around £5 each I found...

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New Raspberry Pi I2C interface project

New Raspberry Pi I2C interface project

Posted Tuesday 10 July 2012 23:01 Page View Counter 109

Currently working on a new I/O board add-on for the Raspberry PI computer. The PCB will have 8 16bit A/D inputs which are connected via buffers to the I2C port on the Raspberry PI GPIO port.  There will also be a built in 5V power supply using a...

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Raspberry Pi I2C Microchip MCP9800123 Temperature Sensor

Raspberry Pi I2C Microchip MCP9800123 Temperature Sensor

Posted Friday 06 July 2012 14:50 Page View Counter 209

The plan to use an Android phone and IOIO board to log the solar data has been abandoned after repeated failures of the IOIO boards to run for more than 24 hours without crashing or resetting. It maybe that I have purchased 2 faulty boards, phone issues...

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IOIO Android I2C Light Levels using TSL2561 Logging Code

IOIO Android I2C Light Levels using TSL2561 Logging Code

Posted Tuesday 26 June 2012 23:07 Page View Counter 164

As part of the home solar PV and hot water project we are now using an IOIO board with an android tablet to process the sensor data and upload to our online reporting website. The code below is used to get the sensor data from the TSL2561 digital luminosity...

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IOIO Android I2C Temperature Logging Code

IOIO Android I2C Temperature Logging Code

Posted Tuesday 26 June 2012 22:58 Page View Counter 182

As part of the home solar PV and hot water project we are now using an IOIO board with an android tablet to process the sensor data and upload to our online reporting website. The code below is used to get the sensor data from the Microchip MCP9800/1/2/3...

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Blog featured on EEWeb Electrical Engineering Community

Blog featured on EEWeb Electrical Engineering Community

Posted Monday 25 June 2012 09:58 Page View Counter 124

My project blog has been featured as Site of the Day on the EEWeb Electrical Engineering Community website. www.eeweb.com/websites/brian-dorey.com-random-stuff-and-projects

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