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| projects:biosonification:midisprout [2026/09/18 11:08] – John Harrison | projects:biosonification:midisprout [2026/09/18 11:09] (current) – John Harrison |
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| **Conclusion:** v026 (and by extension Leetronics/Spad) = v0.21's sensing/analysis core, unmodified, with a menu/config layer bolted on top. | **Conclusion:** v026 (and by extension Leetronics/Spad) = v0.21's sensing/analysis core, unmodified, with a menu/config layer bolted on top. |
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| ===== Two-Electrode Bioelectric Method (for contrast — NOT what Spad uses) ===== | ===== Alternative Two-Electrode Bioelectric Method (for contrast — NOT what Spad uses) ===== |
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| * Passive — no injected signal, no RC network, no 555. | * Passive — no injected signal, no RC network, no 555. |
| * Reads the plant's own native millivolt-scale bioelectric activity (action potentials, slow-wave potentials) via AC-coupled high-gain instrumentation amplifier (e.g. AD8232). | * Reads the plant's own native millivolt-scale bioelectric activity (action potentials, slow-wave potentials) via AC-coupled high-gain instrumentation amplifier (e.g. AD8232). |
| * Electrode damage/longevity problem with penetrating electrodes → SWCNT nanofilm electrodes identified as best non-invasive option (2+ months stable, documented light-induced biopotential response). | * Electrode damage/longevity problem with penetrating electrodes → SWCNT nanofilm electrodes identified as best non-invasive option (2+ months stable, documented light-induced biopotential response). |