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TallyPi

A network controlled tally light for cameras, intended for control by TallyOBS but extensible enough to use for whatever purposes you like.

Unicorn pHat Demo

Hardware

TallyPi is built for the Raspberry Pi and a variety of LED breakout boards, including the Pimoroni Blinkt! as well as the the NeoPixel platform. The 5x10 PixelLeaf RGB Matrix is the current NeoPixel breakout board validated for TallyPi.

TallyPi also supports hardware buttons/switches to shutdown the Pi and wake it back up.

Details on how to wire up the LED breakout boards, as well as details on how to wire the on/off switch, are listed in HARDWARE.md.

There is also an enclosure supplied with TallyPi that can be 3D printed. It's not great, but it works as a light diffuser and includes a mount for a camera flash bracket. It is available from this repository or via Thingiverse.

The Tally Light API

A web service is provided to expose NeoPixels through an HTTP interface. This controls color and brightness, and will monitor the on/off switch (if available) to shut down the light in an orderly fashion.

An HTTP interface is provided that allows for color control and brightness to be specified remotely. As an example:

http://192.168.1.1:7413/set?color=AA22FF&brightness=0.3

Would set the NeoPixels to be purple across all LEDs, at 30% brightness.

The status of the LEDs are available as:

http://192.168.1.1:7413/status

If you would like to tweak an individual light, an HTML dashboard for controlling colors and brightness is available at:

http://192.168.1.1:7413/dashboard

Details on installing the software, as well as protecting your Pi for repeated use, is available within INSTALLING.md.