Raspberry Pi Sense Hat

I recently acquired a Sense Hat, and despite not having much use for it, i decided to have some fun and learning a little along the way. The hardware The Sense-hat is a little Hat for Raspberry Pi's that contains a bunch of sensors, along with a small 8x8 RGB LED Matrix. It contains the following sensors: Gyroscope Accelerometer Magnetometer Temperature Barometric pressure Humidity Along with the hardware, there's an [Read More]

There and back again

A tale of switching blogging platforms Preface I started this blog when i got a "free" Raspberry Pi hosted by the nice people at PCExtreme. Originally this blog was using Octopress because of the limited power provided by the Raspberry Pi and while it was never meant to be a high volume blog, i felt that static pages were the least CPU intensive. As time went by, i [Read More]

Scheduling lights with Philips Hue and a Raspberry Pi

Up until a few weeks ago, i've been using IFTTT for controlling various automated light tasks. The lights i want to control are mostly outdoor lights, turning on at dusk, and off again at sunrise. I also automatically tone the light down and into a slight more red color in the kids rooms around bedtime, and in the living room a wee bit later :) IFTTT works, but is not very [Read More]

Monitoring temperatures with a Raspberry Pi.

I recently got into a discussion about dogs, kennels and temeratures. I have a German Shepherd, and he has a nice insulated dog house in his kennel, and the discussion was along the lines, how much heat does it take to warm up the doghouse, if it gets hotter than the outside at all. Now, a normal person would have solved this by putting a wireless meat thermometer in the [Read More]

Sending notifications with MQTT and Pushover.net

I've improved a bit on my Pushover.net setup, described in this previous article. I started using MQTT, namely the Mosquitto broker for sending data to/from my machines, instead of the old point-to-point setup i was using. MQTT provides publish/subscribe, with messages up to 256MB each. It also features QoS, ranging from 0 - which basically just means the message was sent on the network, to 2, where [Read More]