fitbit for bonsai trees

Things have been kindof busy lately but I’ve been on-again / off-again working on a little project to wirelessly track the temperature, light level and soil moisture of my bonsai tree, so I can track its progress and know when to water (and more importantly, when not to).

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Wixel

I’m working on a project (more soon!) which needs to sample a few sensors and send data wirelessly at low power. After testing out an Arduino Uno + Bluetooth shield (too flaky, too bulky) and deciding that all the BLE solutions out there are not quite ready yet (though some look promising), I discovered the Pololu Wixel.

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Raspberry Pi Timelapse Controller

A few weeks ago, I found this beautiful video on Youtube – a timelapse video of stars and the Milky Way. Seeing the stars appear to rotate overhead (due to the rotation of the Earth) and the intricate structure of our own galaxy gave me a profound feeling of the scale of the universe that we move through on spaceship Earth.

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My bacon talk

The awesome folks over at devslovebacon have made my talk available on youtube. It’s a pretty good quality recording, hope you enjoy it.

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Living in the future

Paul Graham’s latest essay - How to get startup ideas - is a great read. I was struck by the Bucheit/Pirsig conjecture: “Live in the future, then build what’s missing.” and the following paragraph regarding ideas that come out of folks’ experience at college.

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Hands on with Raspberry Pi

I was extremely fortunate to get access to a Raspberry Pi alpha board for the past couple of weeks. For those of you who haven’t already heard about it, the Raspberry Pi project was started to provide a tiny computer for kids to learn to program.

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