hpr3077 :: Video conference Push to Talk
Building the push to talk button missing from many video conference tools
Hosted by DanNixon on Tuesday, 2020-05-19 is flagged as Explicit and is released under a CC-BY-SA license.
arduino, linux audio, electronics, hardware.
2.
The show is available on the Internet Archive at: https://archive.org/details/hpr3077
Listen in ogg,
spx,
or mp3 format. Play now:
Duration: 00:07:37
Hobby Electronics.
Building electronic devices and kits, repairing electronics and learning about components and their uses.
For the sake of archival, "state of the world" refers to the COVID-19 pandemic.
The code and CAD files for this project can be found here.
Relevant links:
- PulseAudio is the sound server used by many Linux distributions
- pulsectl is a Python library that allows you to control a PulseAudio server
- NeoPixels are cool addressable LEDs
- The Teensy is a small but powerful microcontroller development board
- pySerial is a library allowing you to use serial ports in Python
- PlatformIO is a tool for making software development for embedded platforms easy
Early prototype:
Assembled electronics fitted into case ready to be closed:
View of the top of the case, showing Cherry switch and NeoPixel LED indicator:
View of the bottom of the case, showing USB port and some of the nicer M3 screws from my parts bin:
Plugged in and powered on, showing the muted state:
Button pushed, showing the unmuted/mic live state:
