Ray Sha

Work / making and measuring

Out of the notebook.

The builds, field days, and measurements behind the projects.

A laser-cut PET sheet with a repeating kirigami pattern.
The cut pattern in a flat PET sheet.
A transparent PET sheet opened along its cut pattern.
Opening the cuts changes how the sheet bends and stretches.
The environmental sensing robot resting on grass beside a waterway.
The sensing head and moving body outdoors.
A hand holding the robot with a water-quality probe attached.
A water-quality probe mounted alongside the body.

01 / Work

Kirigami environmental robot

Laser-cut PET becomes a flexible, low-cost body for carrying sensors into confined places that can be difficult or unsafe to inspect.

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The experimental rice plots.
The experimental rice plots.
Checking the field monitor.
Checking the field monitor.
Organizing sample vials.
Organizing sample vials.
The fertilizer spray bay on an agricultural drone
The drone spray bay used for fertilizer.

02 / Work

Pesticide field research

Following drone-applied fungicides through air, crops, soil, and mulch to study distribution, dissipation, persistence, and possible exposure.

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The current sensor array: wiring, enclosure, and screen.
The current sensor array: wiring, enclosure, and screen.
The current sensor array: wiring, enclosure, and screen.
The current sensor array: wiring, enclosure, and screen.
The current sensor array: wiring, enclosure, and screen.
The current sensor array: wiring, enclosure, and screen.
The current sensor array: wiring, enclosure, and screen.
The current sensor array: wiring, enclosure, and screen.

03 / Work

A mobile air-pollution sensor array

The current project: a CoreS3, SEN66, BME688, and other sensors working together for timely, geolocated measurements while moving.

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