RobG
piezo_mic_preamp.ascLTSpice circuit simulation of the preampasc - 2.31 kB - 11/27/2022 at 16:27 |
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timegrapher_sensor_v2-main.stlAlternative design for the main part, with a 'back rest' for the plywood-backed mic instead of a heavy metal block.Standard Tesselated Geometry - 90.71 kB - 11/27/2022 at 16:15 |
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timegrapher_sensor-slider.stlThe sliding part of the sensorStandard Tesselated Geometry - 1.47 MB - 11/17/2022 at 11:40 |
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timegrapher_sensor-main.stlMain body of the sensorStandard Tesselated Geometry - 124.79 kB - 11/17/2022 at 11:39 |
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External mic for phone timegrapher app
Checking the timing of a mechanical watch using a phone app is easy, but you need an external microphone.