Mqtt Protocol
I 10 migliori prodotti di aprile 2025
Ultimo aggiornamento:
16 aprile 2025
Independently published
MQTT For Complete Beginners: Learn The Basics of the MQTT Protocol
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VITA RESEARCH
Protocol Plus 21fl 25ml
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#2
Packt Publishing
MQTT Essentials - A Lightweight IoT Protocol: Send and receive messages with the MQTT protocol for your IoT solutions.
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#3
LAP LAMBERT Academic Publishing
Internet of Things Architecture and Research App with MQTT Protocol
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#4
Ediciones Nuestro Conocimiento
Arquitectura del Internet de las Cosas y aplicación de investigación con protocolo MQTT
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Editions Notre Savoir
Architecture de l'internet des objets et application de recherche avec le protocole MQTT
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#6
Waveshare
NB-IoT/Cat-M(eMTC)/GNSS HAT for Raspberry Pi Based on SIM7080G Supports Protocols as TCP/UDP/HTTP/HTTPS/TLS/DTLS/PING/LWM2M/COAP/MQTT Globally Applicable
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Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards
Supports communication protocols such as TCP/UDP/HTTP/HTTPS/TLS/DTLS/PING/LWM2M/COAP/MQTT;Supports GNSS positioning (GPS, GLONASS, BeiDou, and Galileo)
Onboard USB interface, to test AT Commands, get GPS positioning data, and so on; Onboard voltage translator, 3.3V by default, allows to be switched to 5V via onboard jumper; Common baudrate auto-negotiation: 9600/19200/38400/57600/115200 bps
Breakout UART control pins, to connect with host boards like Arduino/STM32; SIM card slot, supports ONLY 1.8V SIM card (3V SIM card is not available);3x LED indicators, easy to monitor the working status;Baudrate: 300~3686400 bps
Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32), download: www.waveshare.com/wiki/SIM7080G_Cat-M/NB-IoT_HAT
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Packt Publishing
Hands-On MQTT Programming with Python
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#8
Waveshare
RS485 a RJ45 Ethernet Convertitore Server Seriale Industriale TCP/IP a Seriale Modulo Supporta Modbus Gateway, MQTT/JSON to Modbus, Modalità di Comunicazione Multipla, Supporto Rail-Mount
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★【Industrial Serial Server】RS485 to RJ45 Ethernet Module for bi-directional transparent data transmission between RS485 and Ethernet, with rail-mount flame-retardant case design, supports 9~24V wide range power supply
★【Modbus Gateway Support】Suitable for Modbus gridding upgrade, can be used with 3D configuration software, Support MQTT/JSON to Modbus, more flexible conversion between different protocols
★【Multi Communication Modes Support】Supports TCP server / TCP client / UDP mode / UDP multicast
★【Multi Hosts Roll-polling Support】Different network devices will be identified and responsed respectively, no more crosstalk issue while communicating with multi network devices. User-defined heartbeat/registration packet, easy for cloud communication and device identification, support NTP protocol, getting network time info for serial output or data upload, support multi configuration methods
★【Technical Support】Development Resources and Technical Support are provided, please feel free to contact us if you have any problem when using the RS485 TO ETH (B)
31,90 € SU AMAZON
Waveshare
Convertitore da RS485 a POE Ethernet a 2 canali Server Seriale Industriale Isolato, Funzionamento Indipendente a 2 canali RS485, Doppia porta POE Eth, Modbus/MQTT Gateway JSON Supporto
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Support Ethernet Port Cascade, onboard 2-ch Ethernet Ports for communication and cascade, either one can be used for dual serial server network communication, while the other one can be used for cascading or communication with other devices
Support screw terminal and DC power port for power supply or PoE port, DC 6~45V, wide voltage range input
Modbus gateway support, suitable for Modbus networking upgrade, can be used with specific configuration software. Supports TCP server / TCP client / UDP multicast / UDP mode. MQTT/JSON to Modbus, more flexible conversion between different protocols
Multi hosts roll-polling support. User-defined heartbeat/registration packet. NTP protocol support. Multi configuration methods
Multiple protection, safe and stable, onboard power supply and signal isolation, built-in TVS and resettable fuse and protection diode etc. Rail-mount support, industrial-grade rail design, compact size, easy installation, cost-effective
49,99 € SU AMAZON
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