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Demo ​

The speaker in action (2026-09-27): the Żabka Triki BLE token works as a wireless knob, and the NeoPixel ring shows each stage of the voice loop.

The device ​

RaspiDR from the front: the stereo speaker pairRaspiDR from the back: rotary encoder, LED ring, WM8960 HAT over the Pi Zero 2 W and the UPS-Lite battery

From the back, top to bottom: the rotary encoder and the 7-LED NeoPixel ring on the speaker enclosure, the WM8960 audio HAT, the Pi Zero 2 W and the UPS-Lite battery board. See Hardware for pins and quirks, and Architecture for what each ring animation means.

Code and docs: MIT. Wake word model: non-commercial (CC BY-NC-SA 4.0).