# Latest

**URL:** https://bristlemouth.discourse.group/latest.md

[Latest](https://bristlemouth.discourse.group/latest.md) · [Categories](https://bristlemouth.discourse.group/categories.md) · [Tags](https://bristlemouth.discourse.group/tags.md)

---

## [Welcome to the Bristlemouth community forum](https://bristlemouth.discourse.group/t/welcome-to-the-bristlemouth-community-forum/7)

<div class="topic-metadata">

**Author:** [@system](https://bristlemouth.discourse.group/u/system)\
**Replies:** 0\
**Last updated:** [May 4, 2023, 9:10pm UTC](https://bristlemouth.discourse.group/t/welcome-to-the-bristlemouth-community-forum/7 "2023-05-04T21:10:00Z")

</div>

Bristlemouth is an open ocean connectivity standard accelerating development and integration of marine sensing solutions to drive impact at scale. Become an early access contributor at bristlemouth.org/early-access Plea…

---

## [New Bristlemouth Enabled Sensor: Next Gen Spotter Sound](https://bristlemouth.discourse.group/t/new-bristlemouth-enabled-sensor-next-gen-spotter-sound/590)

<div class="topic-metadata">

**Author:** [@matt001k](https://bristlemouth.discourse.group/u/matt001k)\
**Replies:** 0\
**Last updated:** [September 21, 2026, 9:01pm UTC](https://bristlemouth.discourse.group/t/new-bristlemouth-enabled-sensor-next-gen-spotter-sound/590 "2026-09-21T21:01:26Z")

</div>

This month, Sofar Ocean and Applied Ocean Sciences (AOS) released a new Bristlemouth enabled sensor for underwater acoustics monitoring. This is the second iteration of Spotter Sound. The first iteration was released aro…

---

## [Is it possible to get the reference electrical designs moved to an open license?](https://bristlemouth.discourse.group/t/is-it-possible-to-get-the-reference-electrical-designs-moved-to-an-open-license/589)

<div class="topic-metadata">

**Author:** [@Jonathan](https://bristlemouth.discourse.group/u/Jonathan)\
**Replies:** 1\
**Last updated:** [September 2, 2026, 10:09pm UTC](https://bristlemouth.discourse.group/t/is-it-possible-to-get-the-reference-electrical-designs-moved-to-an-open-license/589 "2026-09-02T22:09:51Z")

</div>

I sat down this last weekend to take on a project of making a custom bristlemouth mote in KiCAD that uses standard 2.54mm pin headers instead of a mezzanine connector. This was something that came up at the last Bristlec…

---

## [Blue Tide 2026 in Newport, RI \[August 27, 2026\]](https://bristlemouth.discourse.group/t/blue-tide-2026-in-newport-ri-august-27-2026/586)

<div class="topic-metadata">

**Author:** [@tosca](https://bristlemouth.discourse.group/u/tosca)\
**Replies:** 0\
**Last updated:** [August 13, 2026, 8:25pm UTC](https://bristlemouth.discourse.group/t/blue-tide-2026-in-newport-ri-august-27-2026/586 "2026-08-13T20:25:58Z")

</div>

Hey all, for folks in the Northeast US, there’s a cool in-water demonstration event coming up in a few weeks called Blue Tide, taking place in Newport, RI. One of the Bristlemouth Pioneers, Hydronet, will be demonstratin…

---

## [Anyone want to test their technology on an oceanographic mooring?](https://bristlemouth.discourse.group/t/anyone-want-to-test-their-technology-on-an-oceanographic-mooring/585)

<div class="topic-metadata">

**Author:** [@tsunami\_papi](https://bristlemouth.discourse.group/u/tsunami_papi)\
**Replies:** 2\
**Last updated:** [August 12, 2026, 10:58pm UTC](https://bristlemouth.discourse.group/t/anyone-want-to-test-their-technology-on-an-oceanographic-mooring/585 "2026-08-12T22:58:01Z")

</div>

Ahoy! The Synchro Ocean Technology Testbed is looking for developers that are ready to test Bristlemouth enabled sensors in the field. We’ll have a mooring (with Spotter + Bristlemouth connectors) going out off Point Ano…

---

## [Issue with UART communication with Bristlemouth dev kit](https://bristlemouth.discourse.group/t/issue-with-uart-communication-with-bristlemouth-dev-kit/582)

<div class="topic-metadata">

**Author:** [@calebb](https://bristlemouth.discourse.group/u/calebb)\
**Replies:** 1\
**Last updated:** [August 10, 2026, 11:15pm UTC](https://bristlemouth.discourse.group/t/issue-with-uart-communication-with-bristlemouth-dev-kit/582 "2026-08-10T23:15:37Z")

</div>

Hello everyone, I’m currently developing a communication layer with the Bristlemouth dev kit and have run into some issues with UART communication. For context I was able to get RS232 communication working with no proble…

---

## [Kicking off a new BM camera journey — Nereus Vision, a Bristlemouth Pioneer project](https://bristlemouth.discourse.group/t/kicking-off-a-new-bm-camera-journey-nereus-vision-a-bristlemouth-pioneer-project/581)

<div class="topic-metadata">

**Author:** [@NickRaymomd](https://bristlemouth.discourse.group/u/NickRaymomd)\
**Replies:** 1\
**Last updated:** [July 28, 2026, 5:41pm UTC](https://bristlemouth.discourse.group/t/kicking-off-a-new-bm-camera-journey-nereus-vision-a-bristlemouth-pioneer-project/581 "2026-07-28T17:41:41Z")

</div>

Hi Bristlemouth community — this is my first post as a Pioneer recipient, and I wanted to kick things off with a big thank you and a look at what I’m planning to build. A bit of background: I spent the last ~7 years …

---

## [Underwater RPi Camera Build](https://bristlemouth.discourse.group/t/underwater-rpi-camera-build/237)

<div class="topic-metadata">

**Author:** [@NickRaymomd](https://bristlemouth.discourse.group/u/NickRaymomd)\
**Replies:** 25\
**Last updated:** [June 18, 2026, 11:18pm UTC](https://bristlemouth.discourse.group/t/underwater-rpi-camera-build/237 "2026-06-18T23:18:23Z")

</div>

Hi there, I’m working on an underwater camera that can be powered by a smart mooring. Eventually, I’d love to see this project evolve into a small low cost waterproof Bristlemouth powered camera that could be used for…

---

## [Bm\_serial.py + cellular only transmission](https://bristlemouth.discourse.group/t/bm-serial-py-cellular-only-transmission/575)

<div class="topic-metadata">

**Author:** [@NickRaymomd](https://bristlemouth.discourse.group/u/NickRaymomd)\
**Replies:** 2\
**Last updated:** [June 16, 2026, 6:27pm UTC](https://bristlemouth.discourse.group/t/bm-serial-py-cellular-only-transmission/575 "2026-06-16T18:27:56Z")

</div>

Hi Sofar/Bristlemouth team, Starting a new thread because this is related to the earlier cellular-only payload-length discussion, but the question is now more about queue behavior, API visibility, and whether my serial …

---

## [Cellular only transmission rates and data length limits](https://bristlemouth.discourse.group/t/cellular-only-transmission-rates-and-data-length-limits/423)

<div class="topic-metadata">

**Author:** [@GautamB](https://bristlemouth.discourse.group/u/GautamB)\
**Replies:** 5\
**Last updated:** [June 11, 2026, 9:30pm UTC](https://bristlemouth.discourse.group/t/cellular-only-transmission-rates-and-data-length-limits/423 "2026-06-11T21:30:06Z")

</div>

Hi, I have a few questions regarding cellular transmission. Cellular w Iridium fallback - If I choose to go ahead with this setting but don’t have Satellite Spotter Data available, will it still work? I noticed th…

---

## [MTS funding for projects in Canada](https://bristlemouth.discourse.group/t/mts-funding-for-projects-in-canada/573)

<div class="topic-metadata">

**Author:** [@zack\_j](https://bristlemouth.discourse.group/u/zack_j)\
**Replies:** 0\
**Last updated:** [June 9, 2026, 5:35pm UTC](https://bristlemouth.discourse.group/t/mts-funding-for-projects-in-canada/573 "2026-06-09T17:35:47Z")

</div>

Ocean Exchange / MEOPAR has announced some funding available for projects in Canada.

---

## [Pictures/Video From RPi to Dev Kit to Ebox to Aqualink](https://bristlemouth.discourse.group/t/pictures-video-from-rpi-to-dev-kit-to-ebox-to-aqualink/570)

<div class="topic-metadata">

**Author:** [@clarak](https://bristlemouth.discourse.group/u/clarak)\
**Replies:** 3\
**Last updated:** [May 18, 2026, 6:53pm UTC](https://bristlemouth.discourse.group/t/pictures-video-from-rpi-to-dev-kit-to-ebox-to-aqualink/570 "2026-05-18T18:53:31Z")

</div>

Hi all! I’m currently working on a Spotter Buoy and Dev Kit to be deployed this June and I have some questions regarding how to get data from a Raspberry Pi Camera Module 3 (starting with pictures, but preferably videos…

---

## [ATTN Great Lakes: Accelerator Opportunity](https://bristlemouth.discourse.group/t/attn-great-lakes-accelerator-opportunity/569)

<div class="topic-metadata">

**Author:** [@zack\_j](https://bristlemouth.discourse.group/u/zack_j)\
**Replies:** 2\
**Last updated:** [May 16, 2026, 9:30pm UTC](https://bristlemouth.discourse.group/t/attn-great-lakes-accelerator-opportunity/569 "2026-05-16T21:30:36Z")

</div>

@VernaMize has shared this excellent opportunity for folks who are interested or already are working in the Great Lakes region Check it out: gener8tor Great Lakes Innovation Accelerator — gener8tor

---

## [Raspberry Pi Zero 2W w/ Picamera 3 video livestream while pulling power from buoy](https://bristlemouth.discourse.group/t/raspberry-pi-zero-2w-w-picamera-3-video-livestream-while-pulling-power-from-buoy/571)

<div class="topic-metadata">

**Author:** [@clarak](https://bristlemouth.discourse.group/u/clarak)\
**Replies:** 1\
**Last updated:** [May 15, 2026, 6:36am UTC](https://bristlemouth.discourse.group/t/raspberry-pi-zero-2w-w-picamera-3-video-livestream-while-pulling-power-from-buoy/571 "2026-05-15T06:36:50Z")

</div>

Hi all! I’m the high school student from Athenian working with @VincentSmith , and I have several questions about my ideas (I posted this in Dev Kit Support but thought I’d put it here too). \[First post\] I’m currently…

---

## [Dev kit not transmitting data from SAMI after firmware updates](https://bristlemouth.discourse.group/t/dev-kit-not-transmitting-data-from-sami-after-firmware-updates/567)

<div class="topic-metadata">

**Author:** [@Tyler](https://bristlemouth.discourse.group/u/Tyler)\
**Replies:** 1\
**Last updated:** [April 16, 2026, 2:32am UTC](https://bristlemouth.discourse.group/t/dev-kit-not-transmitting-data-from-sami-after-firmware-updates/567 "2026-04-16T02:32:55Z")

</div>

Two of our Spotters were brought in from the field when their batteries failed. After swapping for new batteries, I updated all components of our systems (dev kits, bm soft module (temp sensor), bridge processor, and th…

---

## [Simple\_payload\_example : how does it work?](https://bristlemouth.discourse.group/t/simple-payload-example-how-does-it-work/566)

<div class="topic-metadata">

**Author:** [@sbs-erehm](https://bristlemouth.discourse.group/u/sbs-erehm)\
**Replies:** 2\
**Last updated:** [April 13, 2026, 11:16pm UTC](https://bristlemouth.discourse.group/t/simple-payload-example-how-does-it-work/566 "2026-04-13T23:16:40Z")

</div>

I’m trying to figure out how data is read from the RS-232 device in the simple\_payload\_example. First some preliminaries: Link to simple\_payload\_example/user\_code/user\_code.cpp The simple\_payload\_example shows how to …

---

## [BM Sensor Integration - SDI-12 Multiparameter Sonde EXO3s](https://bristlemouth.discourse.group/t/bm-sensor-integration-sdi-12-multiparameter-sonde-exo3s/399)

<div class="topic-metadata">

**Author:** [@umakat](https://bristlemouth.discourse.group/u/umakat)\
**Replies:** 12\
**Last updated:** [March 30, 2026, 3:43pm UTC](https://bristlemouth.discourse.group/t/bm-sensor-integration-sdi-12-multiparameter-sonde-exo3s/399 "2026-03-30T15:43:51Z")

</div>

Introduction This blog is an ongoing attempt to be able to communicate with SDI-12 sensors. This is not as popular as a protocol but is still a standard used widely in environment data acquisition. The Bristlemouth DevK…

---

## [Decoding data (EXO3) that is sent from the dev kit to the Sofar Spotter dashboard](https://bristlemouth.discourse.group/t/decoding-data-exo3-that-is-sent-from-the-dev-kit-to-the-sofar-spotter-dashboard/561)

<div class="topic-metadata">

**Author:** [@Louis](https://bristlemouth.discourse.group/u/Louis)\
**Replies:** 6\
**Last updated:** [March 29, 2026, 9:42pm UTC](https://bristlemouth.discourse.group/t/decoding-data-exo3-that-is-sent-from-the-dev-kit-to-the-sofar-spotter-dashboard/561 "2026-03-29T21:42:36Z")

</div>

Hi, We’ve recently integrated an EXO3 sonde with a Spotter buoy, and everything appears to be functioning as expected. Data from the EXO is visible when connected through both the development kit and the Spotter buoy. H…

---

## [$100k Neptune Award via Ocean Exchange](https://bristlemouth.discourse.group/t/100k-neptune-award-via-ocean-exchange/564)

<div class="topic-metadata">

**Author:** [@zack\_j](https://bristlemouth.discourse.group/u/zack_j)\
**Replies:** 0\
**Last updated:** [March 17, 2026, 6:38pm UTC](https://bristlemouth.discourse.group/t/100k-neptune-award-via-ocean-exchange/564 "2026-03-17T18:38:38Z")

</div>

This looks pretty interesting… deadline for applications is this summer. Awards are non-dilutive!

---

## [Bristlemouth MAVLink Integration](https://bristlemouth.discourse.group/t/bristlemouth-mavlink-integration/563)

<div class="topic-metadata">

**Author:** [@matt001k](https://bristlemouth.discourse.group/u/matt001k)\
**Replies:** 0\
**Last updated:** [March 12, 2026, 9:35pm UTC](https://bristlemouth.discourse.group/t/bristlemouth-mavlink-integration/563 "2026-03-12T21:35:54Z")

</div>

Bristlemouth now supports the MAVLink messaging protocol, opening the door to autonomous aquatic vehicle deployments with ArduPilot and PX4-based systems. Until now, Bristlemouth has connected ocean sensors to platforms…

---

## [SD card not printing](https://bristlemouth.discourse.group/t/sd-card-not-printing/558)

<div class="topic-metadata">

**Author:** [@Everardo](https://bristlemouth.discourse.group/u/Everardo)\
**Replies:** 9\
**Last updated:** [February 20, 2026, 4:45pm UTC](https://bristlemouth.discourse.group/t/sd-card-not-printing/558 "2026-02-20T16:45:37Z")

</div>

I’m currently having trouble with my SD card not being able to print / read my data that is being collected from my Oceanus Co2 sensor. I have it fully working laid out on the bench. But having trouble understanding why …

---

## [Bristlemouth Mote Filesystem](https://bristlemouth.discourse.group/t/bristlemouth-mote-filesystem/551)

<div class="topic-metadata">

**Author:** [@matt001k](https://bristlemouth.discourse.group/u/matt001k)\
**Replies:** 4\
**Last updated:** [February 16, 2026, 4:12am UTC](https://bristlemouth.discourse.group/t/bristlemouth-mote-filesystem/551 "2026-02-16T04:12:52Z")

</div>

Hello Bristlemouth community! I am embarking on a journey to add a filesystem to the Bristlemouth mote for use in Dev Kit applications as well as new product initiatives! Why does this matter? Well, imagine a future w…

---

## [Coordinating SDI12 outputs (Exo3) between Bristlemouth and the Spotter Bouy](https://bristlemouth.discourse.group/t/coordinating-sdi12-outputs-exo3-between-bristlemouth-and-the-spotter-bouy/559)

<div class="topic-metadata">

**Author:** [@Louis](https://bristlemouth.discourse.group/u/Louis)\
**Replies:** 2\
**Last updated:** [February 12, 2026, 11:41pm UTC](https://bristlemouth.discourse.group/t/coordinating-sdi12-outputs-exo3-between-bristlemouth-and-the-spotter-bouy/559 "2026-02-12T23:41:19Z")

</div>

Hi, I am trying to integrate an Exo3 Sonde with the Spotter Smart Mooring system. Having completed the Bristlemouth Dev Kits Guides 1-5 and now working through Integrating an SDI12 Sensor guide (Bristlemouth Dev Kit Gui…

---

## [Trying to update Sofar Spotter and Dev Kit and having trouble](https://bristlemouth.discourse.group/t/trying-to-update-sofar-spotter-and-dev-kit-and-having-trouble/555)

<div class="topic-metadata">

**Author:** [@clarak](https://bristlemouth.discourse.group/u/clarak)\
**Replies:** 40\
**Last updated:** [January 23, 2026, 6:51pm UTC](https://bristlemouth.discourse.group/t/trying-to-update-sofar-spotter-and-dev-kit-and-having-trouble/555 "2026-01-23T18:51:27Z")

</div>

Trying to update Sofar Spotter (from v2.15.1 to v2.15.6 THEN to v2.16.4) and Dev Kit (v0.11.1 trying to go to v0.13.5) and I’m having a lot of trouble. I tried going with the SD card and renaming the file like the README…

---

## [Small Grant ( \< $200k ) - Indo/Asia/Pacific](https://bristlemouth.discourse.group/t/small-grant-200k-indo-asia-pacific/557)

<div class="topic-metadata">

**Author:** [@zack\_j](https://bristlemouth.discourse.group/u/zack_j)\
**Replies:** 0\
**Last updated:** [January 19, 2026, 8:28pm UTC](https://bristlemouth.discourse.group/t/small-grant-200k-indo-asia-pacific/557 "2026-01-19T20:28:08Z")

</div>

https://www.newlab.com/post/open-call-global-ocean-innovation-challenge summary: A new pilot program sourcing ocean-focused startups to co-design and deploy real-world conservation pilots in Indonesia / Asia Pacific, …

---

## [3D Files for Dev Kit](https://bristlemouth.discourse.group/t/3d-files-for-dev-kit/301)

<div class="topic-metadata">

**Author:** [@bhamren](https://bristlemouth.discourse.group/u/bhamren)\
**Replies:** 6\
**Last updated:** [December 19, 2025, 12:04am UTC](https://bristlemouth.discourse.group/t/3d-files-for-dev-kit/301 "2025-12-19T00:04:02Z")

</div>

Hi Zack, would you please send us 3D files for the dev kit housing? Our students are exploring ways to make waterproof ports for sensors. Thanks! The Athenian School - Bruce

---

## [High School Student at Athenian working on Palau Buoy](https://bristlemouth.discourse.group/t/high-school-student-at-athenian-working-on-palau-buoy/552)

<div class="topic-metadata">

**Author:** [@clarak](https://bristlemouth.discourse.group/u/clarak)\
**Replies:** 1\
**Last updated:** [December 19, 2025, 12:01am UTC](https://bristlemouth.discourse.group/t/high-school-student-at-athenian-working-on-palau-buoy/552 "2025-12-19T00:01:16Z")

</div>

Hi everyone! My name is Clara Kerr, I’m a senior at the Athenian School. I’ll be part of WHALEFALL’s Bristlemouth Education program at Athenian and working on the buoy to be deployed in Palau this summer. I’m so excited…

---

## [3D file for casket](https://bristlemouth.discourse.group/t/3d-file-for-casket/543)

<div class="topic-metadata">

**Author:** [@HendrikJvR](https://bristlemouth.discourse.group/u/HendrikJvR)\
**Replies:** 2\
**Last updated:** [November 26, 2025, 10:46pm UTC](https://bristlemouth.discourse.group/t/3d-file-for-casket/543 "2025-11-26T22:46:00Z")

</div>

Hi, does anyone have a 3D file (step) for the spotter casket?

---

## [Livestream camera connection to Sofar Spotter Buoy](https://bristlemouth.discourse.group/t/livestream-camera-connection-to-sofar-spotter-buoy/408)

<div class="topic-metadata">

**Author:** [@alliecat](https://bristlemouth.discourse.group/u/alliecat)\
**Replies:** 2\
**Last updated:** [November 17, 2025, 8:27pm UTC](https://bristlemouth.discourse.group/t/livestream-camera-connection-to-sofar-spotter-buoy/408 "2025-11-17T20:27:46Z")

</div>

I’m reaching out to garner more information on the SOFAR buoy’s capabilities. We currently have a buoy that helps us to measure parameters that can be viewed on a near-real time application. I would love to be able to a…

---

## [Guide 2: No Data from Dev Kit to Spotter](https://bristlemouth.discourse.group/t/guide-2-no-data-from-dev-kit-to-spotter/540)

<div class="topic-metadata">

**Author:** [@pro\_oceanus](https://bristlemouth.discourse.group/u/pro_oceanus)\
**Replies:** 9\
**Last updated:** [November 6, 2025, 11:45pm UTC](https://bristlemouth.discourse.group/t/guide-2-no-data-from-dev-kit-to-spotter/540 "2025-11-06T23:45:05Z")

</div>

I’m working my way through the Bristlemouth Dev Kit Guide 2 using WSL. When I set up the Dev Kit independent of the Spotter, I get all the readings over serial as expected. I disconnected the Dev Kit from the wall and sw…

[Next page](https://bristlemouth.discourse.group/latest.md?page=1)
