# What we've been up to

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## [Two jars, 110 glasses, and a 55–55 finish](https://dharanova.com/iot-summit-vizag-success.md)

Event note 18 September 2026

How the day went at our IoT Summit ’26 booth in Visakhapatnam: 110 glasses scored, 86 ideas left behind, and a board that would not break the tie.

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## [Two jars and a live scoreboard](https://dharanova.com/iot-summit-vizag.md)

Build note 5 September 2026

What we built for the IoT Summit in Vizag on 17 September 2026, and the month of drilling, wiring and pouring that got it working.

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## [The one room a phone does not follow you into](https://dharanova.com/arduino-physical-ai-challenge-2026.md)

Build note 20 August 2026

Ritesh Bonthalakoti on VAHA, our entry to the Arduino Physical AI Challenge India 2026 — a voice-capture device for the bathroom that runs its wake word, transcription and sensing entirely on the board.

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## [Speech recognition that runs on the device](https://dharanova.com/on-device-speech-recognition.md)

Engineering note 11 August 2026

Ritesh Bonthalakoti on getting speech-to-text and text-to-speech working without sending any audio away to be processed.

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## [Mapping the Bluetooth stack](https://dharanova.com/mapping-the-bluetooth-stack.md)

Engineering note 28 July 2026

Harsha Vardhan Patri on the Bluetooth Low Energy work that everything else in a device ends up depending on.

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## [Taking a load cell apart until it makes sense](https://dharanova.com/inside-a-load-cell.md)

Engineering note 22 July 2026

Nanupatruni Mahesh Kumar on getting weight measurement to behave. In his words, we do not just use technology, we take it apart.

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