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Sightings — DCA75 Workbench

Sightings is a free companion app for the Peak Atlas DCA75 (DCA Pro) semiconductor analyser. It connects over USB, runs identify tests and curve sweeps, and keeps every reading in a local database so parts can be compared, binned and matched.

Platforms: macOS, Linux (x86‑64), Android (phones and tablets with USB host).

Start here

1. Installation — macOS, Linux, Android
2. First steps — connect, identify, drafts, tagging
3. Curves — the five sweeps and the leakage sweep
4. DCA55‑equivalent and leakage measurements
5. Parts, bins and matching
6. Troubleshooting
7. Data, backup and export
8. Building from source

Downloads

Ready‑made builds are on the Releases page.

Safety

Sightings never writes to the unit's firmware, calibration or serial number; those commands cannot even be constructed in its protocol library. Every error path returns the unit to its leads‑safe state.

Not affiliated with Peak Electronic Design Ltd. Peak Atlas, DCA Pro and DCA75 are their trademarks.