Greg

Most commented posts

  1. MyFitnessPal weight importer — 23 comments
  2. Commodore VIC-20 35K Expansion — 13 comments
  3. Repairing the ZX Spectrum Coil — 6 comments
  4. Netware 3.12 on the Raspberry Pi — 4 comments
  5. Building TZXDuino — 4 comments

Author's posts

Raspberry Pi weather station

A few months ago I started putting together a R-Pi weather station using: BMP085 Wind Speed sensor Window Direction sensor DHT22 Ultra Violet Radiation sensor TEMP6000 Light Sensor MCP6273 – opamp for UV sensor Webcam After a corrupted Pi SD Card and loosing the backups I’ve decided to restart this and will document everything this …

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Netware 3.12 on the Raspberry Pi

After successfully booting Windws 1.01 – 95 on the Pi, for the next feat I decided to try and get Netware 3.12 booting. This proved a challenge and took quite a few hours to get working. Initially I used the same method I did for the booting of Windows but when trying to get Netware …

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Windows emulation on the Pi

After reading a few posts on the RaspBerry Pi forums from users who have gotten Win95 working on the R-Pi I decided to give it go and see if I could run Windows from v1.0 to 95. Windows runs on the R-Pi via qemu but its really slow. This is really just to show that …

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MyFitnessPal weight importer

Update: July 2018 This script is no longer working due to some changes by MyFitnesspal Source code is available if you want to try and get it working: http://blog.gjmccarthy.co.uk/myfitnesspal.php I wrote this php script as MyFitnesspal does not have the functionality available to import a historical list of weight/body fat values. After looking at the …

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Setting up web based/client less SSH for the Raspberry-Pi

I had a spare Raspberry Pi lying around so though I would see if I would get a web based SSH session going for the raspberry pi, as well as setting up SSL using a free 1 year SSL cert from StartSSL It was surprisingly simple. After searching around I came across GateOne which gets …

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Laser trigger for Canon camera

I build this project so I could setup my camera to take pictures of water drops. This was built on a Arduino and then transferred to a veroboard. The circuit uses a laser diode with a LM317 setup as a current limiter. A LDR is connected to the Arduino’s analogue pin and triggers the camera …

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Raspberry Pi – 16×2 LCD

Setup my Raspberry Pi with a spare 16×2 LCD connected to the pi’s GPIO pins. For some reason I could not get it working with the example from Adafruit http://learn.adafruit.com/drive-a-16×2-lcd-directly-with-a-raspberry-pi/overview After a bit of searching around I came across Raspberry Pi Spy. Tried the example from there and it worked first time. 16×2 LCD Module …

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Temperatures and pH probe

A few of the parts I ordered have finally arrived. – DS1307 RTC – pH Probe – 3.2 TFT Screen – DS18B20 Temperature Sensors   I’ve been using the Dallas Temperature control library for the temperature sensors. They really work well. http://milesburton.com/Dallas_Temperature_Control_Library   Also using the following library for the 3.2 TFT screen with touch. …

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Arduino aquarium controller

So I’ve been reading up all about open source aquarium controllers and some of the projects people are putting together is amazing. I though I’d startup my own project which will do the basics and then I’ll add on modules as I get the time. Its going to take while to do this project but …

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Ordering parts

I’ve ordered the following parts ¬†– mostly off ebay.   DHT22 Humidity & Temperature Sensor BMP085 Barometric Pressure Sensor ENC28J60 Ethernet Module¬† ATMega328 Microcontroller