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Musings of a SysAdmin Developer Reliability Engineer


Raspberry Pi

Using Gammu-smsd and MySQL to Send and Receive SMS Text Messages

In the previous post, Send and Receive SMS Text Messages with Raspberry Pi and SIM800 GSM Board, we connected up an Itead Raspberry Pi GSM Board (SIM800) from ModMyPi and configured Gammu to send and receive SMS text messages from… Continue Reading →

Send and Receive SMS Text Messages with Raspberry Pi and SIM800 GSM Board

The idea was a simple one. Connect up a GSM modem to a Raspberry Pi to send and receive SMS text messages. The ability to read SMS messages using serial AT commands is no longer possible with modern USB Mobile… Continue Reading →

Raspberry Pi Controlled Lights Using Relays

We’ve had USB powered lights in our lounge for several years and every year I seem to slightly improve the wiring and relay boards. The Raspberry Pi below controls the lights behind our TV and are switched on using a… Continue Reading →

Monitor your heating using a Raspberry Pi and an MCP9808

During the winter season, we spend a lot of money heating our homes. Many heating systems are controlled by a basic thermostat installed in a random part of the home. It’s great to know whether the heating came on once,… Continue Reading →

Collecting Temperature Data with Raspberry Pi Computers

For several years, the temperature in our home has been monitored using Raspberry Pi computers. It’s interesting to see which rooms warm up the quickest and which rooms maintain their warmth longest, but that’s not the main reason that I… Continue Reading →

Locally mounting a Raspberry Pi Raspbian Linux image

It’s sometimes necessary to mount a Raspberry Pi Raspbian Linux image file before writing it to a SD card. This may be to configure an IP address, wireless settings, changing of passwords, etc. If you are using your Raspberry Pis… Continue Reading →

Modifying a Raspberry Pi Raspbian Image on Linux

If you have lots of Raspberry Pi computers, it’s useful to have an image that is preconfigured with your WiFi connections details, default password, default IP address, etc. I started by downloading the latest Raspian image from the Raspberry Pi… Continue Reading →

Raspberry Pi Stack – A platform for learning about IoT

  During the summer of 2015, I decided to focus on learning about the ‘Internet of Things‘ (IoT) and the supporting technology. The Internet of Things will consist of lots and lots of low powered devices embedded in common household… Continue Reading →

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