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HydroMoth (Round 3)
Open Acoustic Devices
HydroMoth is the latest product from the AudioMoth range and offers everything needed to start recording underwater sound for extended periods of time at depths of 30-60m. HydroMoth hardware is directly compatible with all AudioMoth firmware, meaning you can use the device in any number of underwater applications, from scheduled recording in coral reefs, to triggering recordings by amplitude or frequency in freshwater ponds. HydroMoth has improved LED visibility and more accurate time keeping for long deployments. It also has an in-built magnetic reed switch, which enables recordings to be started and stopped in wet conditions without opening the case. HydroMoth is sold with the AudioMoth Underwater Case as standard, with the option to add a waterproof magnetic key chain fob to make use of the magnetic reed switch.
Included in kit
AudioMoth Underwater Case
EFM32 Gecko processor
Capable of recording uncompressed audio to micro SD from 8k to 384k samples/second
Records uncompressed WAV files to SD card
Powered by 3 x AA batteries
Analog MEMS microphone acts as contact hydrophone
Analog pre-amplifier with adjustable gain
Configurable USB interface
Onboard real-time clock keeps track of time in UTC
Improved 32.768 kHz MEMS oscillator to reduce clock drift
Tested to a depth of 30m for 2 months
Boat noise monitoring
Freshwater sound surveys
Coral reef soundscape monitoring
Cetacean underwater acoustic studies
How Other Scientists, Ecologists, (& Basically Cool People) Have Used the HydroMoth:
@RobinSandfort: 20 minutes from post box to pond. Our first dedicated #hydromoth arrived. Can‘t wait for some underwater #bioacoustics. Show us your freshwater hydromoth sites! #capreolus
@and1hill: Very exciting! My first #HydroMoth recording of dolphins off the coast of Exmouth. Recorded at 250kHz and downsampled to 32kHz to improve SNR @OpenAcoustics
@900hz: #HydroMoth listening and an Egret looking in this tidal pool full of life
One HydroMoth, One Underwater Case
Campaign Funded, ends when minimum unit count reached
This magnetic fob keychain can be used to trigger the in-built magnetic reed switch on the HydroMoth, which enables recordings to be started and stopped in wet conditions without opening the case.
Disclaimer: Magnetic fob keychain may come in the color red, yellow, or orange.
This have been validated by Open Acoustic Devices to deliver the highest quality recordings and best compatibility with HydroMoth 1.0.0.
The official AudioMoth IPX7 waterproof case from Open Acoustic Devices is designed specifically for AudioMoth version 1.0.0 to 1.2.0. It is effectively sealed using an easy-to-use clasp with compression o-ring. The acoustic path is protected from water-pooling with a neatly designed rain-hood and the microphone opening is waterproofed using a Porelle acoustic vent.
Campaign discussion forums are intended for questions about the product such as specifications or to share ideas about applications. The campaign initiator or GroupGets may also send out important one-to-many updates on this channel. This is not the place for individual technical support inquiries. For help or questions about an order, please submit a support ticket here.
Congrats to the Open Acoustic Devices team on another successfully backed campaign!
To all backers: please expect that we will begin billing for your order(s) on Friday, September 16th.
If you need assistance with billing information, check out our Customer Support page
Co-Founder of Open Acoustic Devices
Co-Founder Open Acoustic Devices
Author: Timothy A. C. Lamont, Lucille Chapuis, Ben Williams, Sasha Dines,Tess Gridley, Guilherme Frainer, Jack Fearey, Permas B. Maulana, Mochyudho E. Prasetya, Jamaluddin Jompa, David J. Smith, Stephen D. Simpson
Date Published: January 04, 2022
Author: CNX Software
Date Published: July 08, 2022
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