IoT-Hub
The IoT knowledge hub
Articles, protocols, hardware, a verified company directory, a technical glossary and a live spec comparator, the open reference for the Internet of Things, in one place.
Latest articles
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Industrial AI Prompts: 12 Working Examples for Plant Engineers and IntegratorsTwelve copy-paste industrial AI prompt patterns that work in production AI Copilot deployments. Each pattern includes a real prompt, what the agent returns, and when not to use it. Built for plant engineers, integrators, and operations leads.
RAG in Industrial IoT: How AI Agents Actually Reason About TelemetryRAG (retrieval-augmented generation) is the only sane way to use LLMs over industrial telemetry. Why fine-tuning doesn't work, what to retrieve, how to chunk telemetry, and how to defend against hallucination in operations.
AI Copilot vs SCADA/HMI: Why They Are Not CompetitorsAI copilot vs SCADA: what each layer solves, where SCADA/HMI still wins, and how a copilot adds reasoning on top of your IoT platform. Compared layer by layer.
Key protocols
See all- B
BACnet
Open protocol for building automation (HVAC)
- Tipo
- Wired
- Alcance
- Edificio / campus
- Consumo
- Low
Bluetooth Low Energy (BLE)
Ultra-low energy connectivity for wearables and proximity
- Tipo
- Short-range
- Alcance
- 10-100 m según PHY
- Consumo
- Ultra-low
- C
CAN bus
Robust serial bus for automotive and industry
- Tipo
- Wired
- Alcance
- Bus (depende de la velocidad)
- Consumo
- Low
CoAP protocolo: REST sobre UDP que cabe en 8 KB de RAM
CoAP (RFC 7252) lleva GET/POST/PUT/DELETE a dispositivos con 8 KB de RAM sobre UDP. Aprende cómo funciona Observe, DTLS
- Tipo
- Request/Response
- Alcance
- —
- K
KNX
Worldwide standard for home and building automation
- Tipo
- Wired
- Alcance
- Bus de edificio
- Consumo
- Low
- L
LTE-M
Cellular IoT with mobility and voice
- Tipo
- Cellular
- Alcance
- Cobertura celular del operador
- Consumo
- Low
Featured hardware
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Compare specs side by side
Pick 2–4 protocols or hardware boards and compare their specs in an interactive table.
From the glossary
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39 audio overviews
Ecosystem companies
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Adafruit
Hardware manufacturer · 🇺🇸 US
Open hardware, breakouts and learning for makers
Arduino
Hardware manufacturer · 🇮🇹 IT
Open source hardware and software platform for makers
Bosch Sensortec
Hardware manufacturer · 🇩🇪 DE
MEMS and environmental sensors (BME280, BME680)
Nordic Semiconductor
Hardware manufacturer · 🇳🇴 NO
Specialist in low-power wireless connectivity
Raspberry Pi
Hardware manufacturer · 🇬🇧 GB
Single-board computers and RP2040/RP2350 microcontrollers
STMicroelectronics
Hardware manufacturer · 🇨🇭 CH
European semiconductor maker: STM32, sensors and ToF