jormungand.net

Chris Kern <eckern@gmail.com>

ProtoSpin (2025)

Spinny-drone technology applied to a pair of 30-row solderless breadboards.

FPV Boomerang (2025)

This 53cm diameter boomerang spins 500 RPM to fly and is built out of 3d prints and standard FPV drone parts. Mostly.

STLs + Firmware available.

Gyropter (2022)

This 101cm diameter tip-prop helicopter has ailerons actuated by a mechanical swash ring. The flight controller thinks it's a conventional heli!

Irradiance RSR3 (2020)

Modernized Rotating Shadowband Radiometer solar sensor for direct normal and global diffuse radiation, with integrated controller/gps and modbus output.

AR Sandbox (2016)

A copy of the UC Davis Augmented Reality Sandbox that I built.

Curl (2010)

A robot the size of a compact disc.

EM Clustering Demo (2007)

Javascript canvas demo of expectation-maximization and k-means clustering of 2d points.

Grizzly Machine Tools (2005-)

A tribute to my now 20 year old sieg machine shop table.

Crunch (2004)

This self-balancing robot was stabilized with a single-axis mems gyro, which was a newish thing at the time.

Cow on Chess Board. (2002)

From my CS123 homework at Brown I am pleased to present this raytraced cow.