ESP Coffee machine @EspressifSystems
ESP Coffee machine  @EspressifSystems
Uploaded February 2019 | Updated September 2026, 1 week ago
In this demo, you can see two of Espressif's SDKs working together to create a conversational Coffee Machine. This was one of our widely appreciated demos at CES 2019.

Here we have ESP-WHO detecting and recognising users who are then asked what coffee they want.
This facial recognition as well as training, happens locally on ESP32. This recognition used as a trigger for the next phase i.e. the conversational interface.

For the conversational interface, we are using ESP Voice Assistant(VA) SDK configured to connect to a Google Dialogflow project, which then drives the conversation to gather the users preferences for coffee.


ESP WHO
github.com/espressif/esp-who

ESP Voice Assistant (VA) SDK
github.com/espressif/esp-va-sdk

Hardware
The development board, with a camera and an audio codec, will be made available soon.
ESP Coffee machineDevCon23 - Keynote 1st Day: Welcome SpeechDevCon25 - USB Type C Applications with ESPsEDC22 Day 1 Talk 13: Espressif IDE for ESP IDF application developmentESP-Demo: Large Language Model Robot with ESP32-S3ESP Privilege Separation exampleEDC22 Day 1 Talk 10: Applications of Asymmetric Multiprocessing with ESP32 DevicesDevCon23 - Making Robust FUOTA in ESP32 Using RollbackEspressifs Matter SolutionsEDC22 Day 1 Talk 7: Rust on Espressif chipsEDC22 Day 1 Talk 1: CEOs Welcome/Keynote SpeechIntroduction to ESP-Insights
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ESP Coffee machine

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