Arduino Helmholtz Sound Sensor for Hex-A-Bot
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This is a control device that can detect a 493 HZ tone to control a motor or other device like the Hex-A-Bot dual…
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Model information
- Source
- Printables
- Category
- RC & Robotics
- License
- Creative Commons — Attribution
This is a control device that can detect a 493 HZ tone to control a motor or other device like the Hex-A-Bot dual drive walking robot. https://www.thingiverse.com/thing:3262487
The Helmholtz resonator is what gives the Arduino type sound sensor the selectivity of sound. A mosfet is used as the output drive. a IRL Z24N will give you a high side drive or a IRL Z44n will give you a low side drive. Both are very common and cost very little. The whistle is tuned to match the Helmholtz enclosure.
Video of the device in operation and a build guide can be seen on youtube. https://youtu.be/n24caaZwvwM
Print Settings
Printer Brand:
Prusa
Printer:
i3 MK3
Rafts:
No
Supports:
No
Resolution:
0.20
Infill:
20
Filament: any pla any
Category: Robotics