Category Archives: Uncategorized

Cat Cam mark 2

Posted on April 5, 2014 by davidms49

First testing of the new Raspberry Pi cat-cam today, the original goal was simply to allow my wife to know when the cats had last been home after one disappeared for couple of days. This version now includes the capability … Continue reading →

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DS18B20 – Digital Temperature Sensor

Posted on March 9, 2014 by davidms49

The DS18B20 to quote the manufacture MAXIM  ‘provides 9-bit to 12-bit Celsius temperature measurements. It has an operating temperature range of -55°C to +125°C and is accurate to ±0.5°C over the range of -10°C to +85°C. In addition, the DS18B20 can derive power directly from the … Continue reading →

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Prototype Virtual Model Railway Control Panel Working

Posted on February 8, 2014 by davidms49

Happy tonight as I have just successfully operated a turnout [point] on my model railway via a Raspberry Pi running VNC for the first time. When I started to build the model railway my plan was to build a custom control … Continue reading →

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Adding more IO to your RPi

Posted on January 21, 2014 by davidms49

As part of a plan to move from a dedicated panel to use a Rpi for controlling my model railway set, I have been experimenting with getting the I2C interface on a RPi working using a MCP23017 chip. In simple … Continue reading →

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RaspberryPi RSS News Reader

Posted on December 27, 2013 by davidms49

With my wife being a confirmed news junkie the Dec MagPi Scrolling RSS feed project by Andrew Wilson’s gave me the inspiration for the perfect Raspberry Pi based gift for Christmas 2013. I decided to go for the ‘raw’ open look … Continue reading →

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BerryClip and Scratch on the RaspberryPi

Posted on December 21, 2013 by davidms49

I have been having a play with the BerryClip and Scratch and had forgotten just how much fun Scratch is. What is a BerryClip ? – this is about the simplest IO board for the Rpi around,  it has 6 LEDs, … Continue reading →

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Tweeting from my RaspberryPi

Posted on December 9, 2013 by davidms49

Found James Bruce’s article on setting up a Raspberry Pi to Tweet yesterday. Great fun but more importantly from the chickens perspective I can now tweet the heater status and [if I can waterproof my pi cam] pictures of feathered friends … Continue reading →

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Rpi Controlled Chicken Water Heater Passes First Test

Posted on December 5, 2013 by davidms49

With the temperatures dropping below Freezing last night my Rpi controlled chicken water heater was called into action for the first time, passing with flying colours. I have started to write-out some basic instructions on how it all works on … Continue reading →

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First Post

Posted on December 1, 2013 by davidms49

The aim of this blog is so I can share the things I have been doing with my Raspberry Pi’s. In truth I have blown a little hot and cold on the Rpi since it came out, my initial enthusiasm … Continue reading →

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