Archives

Automated Kitchen Lighting

January 31, 2013 - Computers , Home Automation , Linux , MQTT - by admin - 2 Comments

Recently I decided to make some changes to the kitchen. It started off with a strip of warm white LEDs, and I thought “Wouldn’t it be cool if…”. I’ve now lost count of the number of guests asking how it works 🙂 There’s a variety of components at play here. […]

Thinkpad X201S Fan Control

December 13, 2012 - Computers , Geek , Linux , Technology - by admin - No Comments

I noticed the other day (it was kind of hard to not notice, to be honest) that my laptop shut down abruptly when it overheated. This shouldn’t be the case, as the thermal controls on the mainboard should have spun up the fans. After some poking around, I found that […]

OWFS Server on The Raspberry Pi

November 14, 2012 - Geek , Home , Home Automation , Linux - by admin - 1 Comment

Quick and simple this one is. I have a DS9490R (internally it’s a DS1490F) one-wire bus master attached to my Raspberry Pi. 4 DS18B20 temperature sensors are hanging off the bus, and I’d like to access them from the home automation server. On the Raspberry Pi, or the server/device that’s […]

MQTT GPIO Monitoring

October 25, 2012 - Geek , Home , Home Automation , Linux - by admin - No Comments

My little Raspberry Pi seems to be growing arms and legs. The other day I hooked up a simple PIR to it. I can’t remember where I got it, but it runs off 5v, consumes a low enough amount of milliAmps to be directly connected to the Raspberry Pi 5v […]

MQTT Republishing Itch

September 23, 2012 - Computers , Geek , Home Automation , Technology - by admin - 1 Comment

So, I had an itch. A variety of data coming in from a variety of sources, all over different protocols and methods, with different names, heirarchies, and paths. For a while I’d been pushing the data into MySQL, but this seemed a bit of a hack, and it still didn’t […]