O

open-hardware

OhmPi is an open hardware resistivity meter to provide the scientific community with a robust and flexible tool for monitoring experiments. Documentation: https://ohmpi.org

[2023-2024] Community-powered PM2.5 pollution monitoring network. Hacks €12 IKEA sensors into GPS detectors with real-time mapping. Mobile data collection across neighborhoods, offline sync capability, and community workshops making environmental monitoring accessible.

LibreRouter hardware repository

Multifunction Table Licensed Under CERN-OHL-S v2

Open Hardware Loom (GER: Webstuhl) - Open Hardware Project