A biodata module turns any biological signal into Eurorack CV, gates, and audio, making living organisms into performers

Eurorack signal sources are not limited to electronic oscillators and LFOs — biological signals can be transduced into control voltage. The freemodular Biodata module reads a biological signal (e.g. a plant’s bioelectric activity) and outputs pitch CV, gates, and raw waveforms from it: ‘Listen to plants! Generate pitch CV, gates, and raw waveforms from any biological signal.’ This makes a living organism a generative performer — a plant’s slow electrochemical fluctuations become evolving pitch sequences at biological timescales. It extends the core Eurorack idea (anything that produces the right voltages can be a source) to biodata, connecting modular synthesis to sonification and bioart practice.

Examples

Attach the Biodata probes to a houseplant; patch its pitch CV to an oscillator and its gate output to an envelope. The plant’s bioelectric activity drives slowly evolving, unpredictable pitch sequences quite unlike any programmed sequencer pattern.

Assessment

Explain the musical appeal of a biological signal as a CV source compared with a standard random generator. Name two parameters you could usefully drive from plant biodata and say why each suits a slow, organic source.