Research

Each of these runs on Raspberry Pis: cheap computers doing serious work where the data is.

Heeley City Farm
Sensors in five enclosures, a camera that deletes any photo with a person in it, and a public welfare dashboard.
Monitoring since July 2026
See the project: Heeley City Farm Download research PDF, 2.8 MB
Licensed under CC BY 4.0.
Mood change detection
Emotion classification from heart signals, trained across six Raspberry Pis so the raw data never leaves the device.
Presented at IEEE CIBCB 2026
See the project: Mood change detection Download research PDF, 475 KB
Shared under CC BY, via arXiv.
UAV edge intelligence
A drone that kept 19 of 4,024 frames and sent 32 MB instead of 906 MB, on 77% less energy.
Best Paper, IoT 2025
See the project: UAV edge intelligence Download research PDF, 403 KB

Heeley City Farm