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Engr305 Appropriate Technology Projects: Below are selected service learning projects from Engr305 Appropriate Technology, which is a course on appropriate technology at Humboldt State University taught by instructor Lonny Grafman.

Treadmill-a-volt treadmill powered charging

Treadmill power for the Humboldt Bay Center for Sustainable Living  
Troubleshooting the AEF photovoltaic system

Troubleshooting, repairing, testing and maintaining a preexisting off-grid photovoltaic system  
Tule Fog Farm Grassfed Shed

An indoor space for pigs and goats that also restores a previous brownfield while improving the overall natural landscape  
Umbrella solar cooker

A multi-use solar cooker  
Wild Chick Farm

A commercial pastured chicken operation in Arcata, California