My name is Clinton Freeman, a software engineer who lives in Queensland, Australia. These days I mostly build technology for creative projects. Stuff like:

Clarity in Transit
Marsarium 9

I find writing helpful and share my articles on the off chance that they're useful to others. A complete article list can be found in the directory, but here are some of the more popular ones:

Latest: How to measure your true heading with a HMC5883L magnetometer

The HMC5883L magnetometer communicates over an i2c bus, and will run off between 3 to 5 volts. So you’ll only need four wires to hook it up to an Arduino ProMicro. RAW is wired to 5V (assuming your input supply is 5 volts), pin 3 to SCL, pin 2 to SDA and GND goes to GND.

How to wire a HMC5883L magnetometer to an Arduino ProMicro.

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3D Printing:

Raspberry Pi:


The above 'family tree' of influences is a bit of an advent calender, initialed names are my current research front. After I have found out as much as I can about the work of someone I admire, I write them a love letter. The initials of their influences get added and the family tree grows.

How can I contact you?

my-first-name@reprage.com Obviously, you’ll want to replace my-first-name with my actual first name.

I'm also on twitter and github.