tyeth Particle.io Tachyon - Qualcomm QC6490 notes

Particle.io Tachyon - Qualcomm QC6490 notes

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by tyeth
Last updated August 23, 2025
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HEADLESS LOG

Switched to headless from desktop, still ubuntu 20.04.

Installed pimoroni and adafruit libs, follow https://developer.particle.io/tachyon/accessories/pimoroni-automation-hat then either the crickit guide, or just pip install adafruit_blinka

crucially first:

sudo apt update
sudo apt install -y python3-pip
sudo apt install --upgrade python3-setuptools
sudo apt install -y python3-venv python3-libgpiod

and in your virtual environment, update python tools:
pip install --upgrade pip setuptools wheel build packaging setuptools-scm

Then if installing qualcomm ai hub then it requires a bit more (fails on pkg-config missing then libhdf5.so):
I installed this: apt install pkg-config h5utils libhdf5-dev
Finally you can install: pip install qai-hub-models

 

https://community.particle.io/t/camera-problems/69733/33

Copy Text 
gst-launch-1.0 -e qtiqmmfsrc camera=0 \
! video/x-raw,format=NV12,width=1920,height=1080,framerate=30/1 \
! qtic2venc ! h264parse ! mp4mux ! queue \
! filesink location=/home/particle/video_snapshot.mp4 \
--gst-debug=qtiqmmfsrc:LOG

Future Exploration

Making a SNPE Enabled Application

https://static.linaro.org/connect/hkg18/presentations/hkg18-306.pdf

This page (Particle.io Tachyon - Qualcomm QC6490 notes) was last updated on August 23, 2025.

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Getting Started

Adafruit Playground is a wonderful and safe place to share your interests with Adafruit's vibrant community of makers and doers. Have a cool project you are working on? Have a bit of code that you think others will find useful? Want to show off your electronics workbench? You have come to the right place.

The goal of Adafruit Playground is to make it as simple as possible to share your work. On the Adafruit Playground users can create Notes. A note is a single-page space where you can document your topic using Adafruit's easy-to-use editor. Notes are like Guides on the Adafruit Learning System but guides are high-fidelity content curated and maintained by Adafuit. Notes are whatever you want them to be. Have fun and be kind.

Click here to learn more about Adafruit Playground and how to get started.