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pHrog - Handheld Spectrophotometric pH cover

pHrog - Handheld Spectrophotometric pH

CERN-OHL-S-2.0

An ultra-low cost Build-It-Yourself spectrophotometric pH meter.

Oceanography, Chemistry Hardware w/ Firmware pHalkon Industries updated 2026-09-17

Versions

Project DOI: 10.5281/zenodo.22815611 — always points at the latest version.

  1. v1 · 2026-09-17

    DOI: 10.5281/zenodo.22815612 · Open Zenodo record

    No changelog recorded.