The talkiepi project is for a truly headless mumble client for the Raspberry Pi, utilizing static config and GPIO for status LEDs and a button for push to talk
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README.md

talkiepi

assembled1 assembled2

talkiepi is a headless capable Mumble client written in Go, written for walkie talkie style use on the Pi using GPIO pins for push to talk and LED status. It is a fork of barnard, which was a great jump off point for me to learn golang and have something that worked relatively quickly.

3D printable enclosure

In the stl directory are the stl files for the enclosure I have designed specifically for the Raspberry Pi B+ board layout (I am using a Raspberry Pi 3 Model B) and the PCB and components from the US Robotics USB Speakerphone. I will be posting a blog post shortly with a full component list and build guide. For more information regarding building a full talkiepi device, go check out my blog at projectable.me.

Installing talkiepi

I have put together an install guide here.

GPIO

You can edit your pin assignments in talkiepi.go

const (
	OnlineLEDPin       uint = 18
	ParticipantsLEDPin uint = 23
	TransmitLEDPin     uint = 24
	ButtonPin          uint = 25
)

Here is a basic schematic of how I am currently controlling the LEDs and pushbutton:

schematic

Pi Zero Fixes

I have compiled libopenal without ARM NEON support so that it works on the Pi Zero. The packages can be found in the workarounds. directory of this repo, install the libopenal1 package over your existing libopenal install.

License

MPL 2.0

Author