# MQTT & telemetry

MQTT is the lightweight publish/subscribe protocol most IoT devices use to talk. Telemetry is the continuous data they emit. Business angle: telemetry is proprietary training data no competitor can scrape — the most defensible dataset you can own.

Canonical: https://robauto.ai/learn/iot-robotics/15

_IoT & Robotics: AI in the Physical World — lesson 15 of 20 (DEFINITION)_

MQTT is the lightweight publish/subscribe protocol most IoT devices use to talk. Telemetry is the continuous data they emit. Business angle: telemetry is proprietary training data no competitor can scrape — the most defensible dataset you can own.

Source: [MQTT.org](https://mqtt.org?utm_source=robauto)

[Previous lesson](/learn/iot-robotics/14) · [Next lesson](/learn/iot-robotics/16) · [Course overview](/learn/iot-robotics) · [All courses](/learn)

---

(c) 2026 Robauto, Inc. — support@robauto.ai
Machine surfaces: https://robauto.ai/llms.txt · https://robauto.ai/llms-full.txt · https://robauto.ai/.well-known/api-catalog