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| projects:biosonification [2026/08/31 02:05] – John Harrison | projects:biosonification [2026/08/31 02:07] (current) – John Harrison |
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| * Grounding: one project reported needing the person coupled to circuit ground. | * Grounding: one project reported needing the person coupled to circuit ground. |
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| ===== Shelved ===== | ===== Alternative ===== |
| * **AD5932 sine wave generator:** what Disney used. Cleaner than our circuit but more complicated approach for starting out. | * **AD5932 sine wave generator:** what Disney used. Cleaner than our circuit but more complicated approach for starting out. |
| * [[https://pmdway.com/products/ad9833-dds-programmable-frequency-function-generator|this is a good module for testing]] | * [[https://pmdway.com/products/ad9833-dds-programmable-frequency-function-generator|this is a good module for testing]] |
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| | ===== Shelved ===== |
| * **AD5933 impedance spectroscopy:** two-electrode, measures impedance not self-capacitance. Possible module: KDT5933-013-SOU. | * **AD5933 impedance spectroscopy:** two-electrode, measures impedance not self-capacitance. Possible module: KDT5933-013-SOU. |
| * **Biopotential/electrophysiology:** more meaningful for passive environmental sensing, but every long-term result used lab-fabricated electrodes (SWCNT, thermoresponsive polymer, PEDOT:PSS). Off the table without university facilities | * **Biopotential/electrophysiology:** more meaningful for passive environmental sensing, but every long-term result used lab-fabricated electrodes (SWCNT, thermoresponsive polymer, PEDOT:PSS). Off the table without university facilities |