Fixing the ¢2 of plastic that broke my microwave

The door on my microwave oven suddenly stopped latching securely and the internal switch that detects the door being closed ceased to register. My wife and I were annoyed because this seemed like a very inexpensive cheap part of the microwave breaking and taking our a rather expensive appliance. So, time to fix it ourselves.
Continue reading Fixing the ¢2 of plastic that broke my microwave

Garden Automation Part 2

The Raspberry Pi has IO pins left over after attaching it to the OpenSprinkler Pi and I am still waiting for my Pinoccio‘s to instrument my environment so I added a first yard sensor to the pi. It’s a DHT11 temperature and humidity sensor. Fortunately, pretty much all the work to get this connected to the Raspberry Pi has already been done. Consulting the pinout and using Adafruit’s interface program, I got my first data in minutes of work :-) Continue reading Garden Automation Part 2

Garden Automation Part 1

OpenSprinkler PI
OpenSprinkler Pi with Raspberry PI model A and 3.3V serial adapter

Because I always want to automate everything, and I am not that good at gardening yet, I am working on adding smarts to our garden. To start with, the watering system.

I bought an OpenSprinkler PI from Ray’s Hobby and a Raspberry Pi model A (the one with less RAM and since I knew I was going to want to operate it on wifi and wasn’t going to be asking too much of it. I figured I ought to get some hands on experience with the Raspi since everyone is talking about it and it’s convenient not to have to start from scratch for sprinkler automation. Continue reading Garden Automation Part 1