A custom Feather interfacing a hydrophone to Adafruit dev boards #PyBadge #EdgeBoard #Feather @LukeBerndt @Adafruit

Luke Berndt has built a custom board to interface an Adafruit Feather compatible board with a hydrophone.

I wanted to build a TinyML model that could detect when a boat is nearby by listening for it on a hydrophone. Edge Impulse makes it easy to build ML Models that can run on an Arduino board and detect events in audio. The tricky part ended up being how to connect a hydrophone to an Arduino board. I looked around but didn’t see any existing boards for powering and amplifying a microphone, like the hydrophone… so I decided to build one!

One of the the things I love about Adafruit is that they make there board designs available open source. I was able to take this design, move it over the the Feather form factor and add a 3.5mm jack instead of the microphone.

The custom FeatherWing board interfacing to the hydrophone is plugged into the back of an Adafruit Edge Board or PyBadge, providing an inexpensive microcontroller and display interface for the setup.

The code and FeatherWing design files are in the GitHub repo.

You can also read more on hackster.io.

Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.

Join 35,000+ makers on Adafruit’s Discord channels and be part of the community! http://adafru.it/discord

Have an amazing project to share? The Electronics Show and Tell is every Wednesday at 7pm ET! To join, head over to YouTube and check out the show’s live chat – we’ll post the link there.

Join us every Wednesday night at 8pm ET for Ask an Engineer!

Follow Adafruit on Instagram for top secret new products, behinds the scenes and more https://www.instagram.com/adafruit/

CircuitPython – The easiest way to program microcontrollers – CircuitPython.org

Maker Business — How (some) chips get made

Wearables — Need a lot of power for your project? Read on!

Electronics — Storage Safety 101

Python for Microcontrollers — Python on Microcontrollers Newsletter: 10K Subscribers, Picos Made in Africa and more!! #CircuitPython @micropython @ThePSF @Raspberry_Pi

Adafruit IoT Monthly — Turtle Eggs, Pool Monitors, and more!

Microsoft MakeCode — MakeCode Thank You!

EYE on NPI — Maxim’s Himalaya uSLIC Step-Down Power Module #EyeOnNPI @maximintegrated @digikey

New Products – Adafruit Industries – Makers, hackers, artists, designers and engineers! — New Products 11/30/22 Featuring #Adafruit Feather #RP2040! @adafruit #newproducts

Get the only spam-free daily newsletter about wearables, running a "maker business", electronic tips and more! Subscribe at AdafruitDaily.com !

No Comments

No comments yet.

Sorry, the comment form is closed at this time.