Esp32 Relay Rs485
Les 10 meilleurs produits en septembre 2025
Dernière mise à jour :
14 septembre 2025
Waveshare
Waveshare Industrial 6-Channel ESP32-S3 WiFi Relay Module, Onboard RS485 / Pico Hat Interfaces, with Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case
Livraison gratuite
99
QUALITÉ MAXIMALE
VOIR SUR AMAZON
Amazon.fr
#1 GAGNANT
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Based on ESP32-S3 microcontroller with Xtensa 32-bit LX7 dual-core processor, capable of running at 240 MHz. Built in buzzer, RGB colorful LED, power supply and RS485 TX/RX indicators for monitoring the operating status of the module
Integrated 2.4GHz Wi-Fi and Bluetooth LE dual-mode wireless communication, with superior RF performance. High quality relay, contact rating: ≤10A 250VAC/30VDC. Onboard isolated RS485 interface, for connecting to various RS485 Modbus industrial modules or sensors. Onboard USB Type-C port for power supply, firmware downloading and debugging
Onboard power supply screw terminal, supports 7~36V wide voltage input, suitable for industrial applications. Onboard digital isolation to prevent interference from external signal
Onboard optocoupler isolation to prevent interference from external high-voltage circuit connected to the relay. Rail-mounted ABS case, easy to install, safe to use
Onboard 40PIN header compatible with some Raspberry Pi Pico HAT, for expanding more functions such as RTC / CAN / RS232 / LoRa / sensor, etc. Onboard unibody power supply isolation, providing stable isolated voltage, no extra power supply required for the isolated terminal
43,99 € SUR AMAZON
Waveshare
Waveshare ESP32-S3-ETH-8DI-8RO(Common Network Port), Industrial 8-Ch ESP32-S3 WiFi Relay Module, Isolated RS485 Interface, Xtensa 32-Bit LX7 2-Core Processor, Up to 240MHz, Multi Isolation Protection
Livraison gratuite
97
QUALITÉ SUPÉRIEURE
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Amazon.fr
#2
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Common network port version. Based on ESP32-S3 microcontroller with Xtensa 32-bit LX7 dual-core processor, capable of running at 240 MHz. Integrated 2.4GHz Wi-Fi and BT LE dual-mode wireless communication, with superior RF performance
High quality relay, contact rating: ≤10A 250V AC / 30V DC. Supports passive and active digital input, with bi-directional optocoupler isolation. The relay supports digital input linkage control
Onboard isolated RS485 interface, for connecting to various RS485 Modbus industrial modules or sensors. Onboard pin header, allowing access to other devices. Onboard USB Type-C port for power supply, firmware downloading and debugging
Onboard power supply screw terminal, supports 7~36V wide voltage input, suitable for industrial applications. Onboard RTC chip, supports scheduled tasks. Onboard W5500 Ethernet chip for extending 10/100Mbps network port through SPI interface. Onboard optocoupler isolation to prevent interference from external high-voltage circuit connected to the relay. Onboard digital isolation to prevent interference from external signal
Onboard unibody power supply isolation, providing stable isolated voltage, no extra power supply required for the isolated terminal. Onboard TF card slot for external TF card storage of images and files. Built-in buzzer, RGB LED, power supply and RS485 TX/RX indicators for monitoring the operating status of the devices. Rail-mounted ABS case, easy to install, safe to use
63,99 € SUR AMAZON
Waveshare
Waveshare ESP32-S3-POE-ETH-8DI-8RO(PoE Network Port), Industrial 8-Ch ESP32-S3 WiFi Relay Module, Isolated RS485 Interface, Xtensa 32-Bit LX7 2Core Processor, Up to 240MHz, Multi Isolation Protection
Livraison gratuite
93
QUALITÉ EXCELLENTE
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Amazon.fr
#3
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PoE network port version, with built-in PoE module for PoE capability (compliant with IEEE 802.3af standard). Based on ESP32-S3 microcontroller with Xtensa 32-bit LX7 dual-core processor, capable of running at 240 MHz. Integrated 2.4GHz Wi-Fi and BT LE dual-mode wireless communication, with superior RF performance
High quality relay, contact rating: ≤10A 250V AC / 30V DC. Supports passive and active digital input, with bi-directional optocoupler isolation. The relay supports digital input linkage control
Onboard isolated RS485 interface, for connecting to various RS485 Modbus industrial modules or sensors. Onboard pin header, allowing access to other devices. Onboard USB Type-C port for power supply, firmware downloading and debugging
Onboard power supply screw terminal, supports 7~36V wide voltage input, suitable for industrial applications. Onboard RTC chip, supports scheduled tasks. Onboard W5500 Ethernet chip for extending 10/100Mbps network port through SPI interface. Onboard optocoupler isolation to prevent interference from external high-voltage circuit connected to the relay. Onboard digital isolation to prevent interference from external signal
Onboard unibody power supply isolation, providing stable isolated voltage, no extra power supply required for the isolated terminal. Onboard TF card slot for external TF card storage of images and files. Built-in buzzer, RGB LED, power supply and RS485 TX/RX indicators for monitoring the operating status of the devices. Rail-mounted ABS case, easy to install, safe to use
69,99 € SUR AMAZON
Coolwell
ESP32-S3 WiFi Relay Module, Industrial 1-Channel Relay Controller with RS485 Interface, Bluetooth 5, DIN Rail Mount, 10A Relay Switch for Smart Home, IoT, Fits Arduino
88
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Amazon.fr
#4
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✔ Industrial-Grade ESP32-S3 Relay Module with Wi-Fi & Blue-tooth: Based on the ESP32-S3 dual-core processor, this Wi-Fi relay module integrates Bluetooth 5 and delivers AIoT-ready performance for smart home, automation, and industrial control projects.
⚡ 1-Channel 10A Relay for High-Power Devices: Equipped with a high-quality 1-channel relay, supporting ≤10A 250VAC/30VDC, allowing you to safely control appliances, lights, motors, and industrial equipment via Wi-Fi relay switch or RS485 relay.
🛡️ Multiple Isolation Protection Circuits for Reliability: Features opto-isolator protection, digital isolation, and power isolation to safeguard against high-voltage interference, making this industrial IoT relay safe, stable, and highly reliable.
📶 RS485 Interface with Flexible Networking: Built-in isolated RS485 communication port, supporting Modbus and cascading with RS485 relay devices, ideal for industrial automation, data acquisition, and IoT gateway applications.
🛠️ Easy Installation with DIN Rail Mount & Arduino Support: Comes with a rail-mounted protective case for quick installation in control cabinets. Supports Ar-duino programming, SDKs, and MQTT protocol for seamless IoT cloud integration and remote control.
27,83 € SUR AMAZON
Waveshare
Waveshare Industrial 1-Channel ESP32-S3 WiFi Relay Module, Wi-FI/Bluetooth Support, Onboard RS485 Interface, Multiple Isolation Protection Circuits, Industrial-Grade Rail-Mount Enclosure
87
QUALITÉ FIABLE
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Amazon.fr
#5
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High-Performance ESP32-S3 Microcontroller: Powered by the ESP32-S3 microcontroller with a dual-core Xtensa 32-bit LX7 processor running at 240 MHz for efficient, high-speed performance.
Dual-Mode Wireless Communication: Supports both 2.4GHz Wi-Fi and Bluetooth 5 (LE) for seamless wireless connectivity, offering superior RF performance for reliable communication.
Industrial-Grade Relay & RS485 Interface: Features a high-quality relay with a contact rating of ≤10A 250VAC/30VDC, and an onboard isolated RS485 interface for connecting industrial Modbus modules or sensors.
Advanced Isolation & Protection Features: Equipped with onboard optocoupler and digital isolation to shield against high-voltage interference, ensuring stable operation in industrial environments.
Convenient Power and Debugging Options: Includes an onboard USB Type-C port for easy power supply, firmware downloading, and debugging, as well as a rail-mounted protective case for simple installation and enhanced safety. Rich WiKi Resources: We provide official Wiki resources, please contact us for more information.
28,99 € SUR AMAZON
Joselin
Joselin Bluetooth Activé ESP32 RS485 Module de Relais de Canal MODBUS 4, 7-24V Type-C avec Support WiFi
82
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Amazon.fr
#6
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4. Alimentation 7-24 V CC + alimentation TYPE-C
2. Isolation de l'optocoupleur d'entrée, isolation de l'optocoupleur de sortie
3. Puce de port série CH340 intégrée
1. ESP32, avec WIFI et Bluetooth
5. Prise en charge Modbus
17,55 € SUR AMAZON
Generic
Module Relais ESP32 Modbus RTU à Quatre Canaux 7-24 V CC Carte de Développement RS485 Protocole MODBUS Carte Relais à Isolation Optocoupleur Interface RS485 Intégrée
78
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#7
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Alimentation 7-24 V CC + alimentation TYPE-C ; prise en charge Modbus ; interface RS485 intégrée
Isolation optocoupleur en entrée, isolation optocoupleur en sortie
Équipé d'une puce de port série CH340 intégrée
ESP32, avec WI-FI et Bluetooth
Dimensions : 95 mm x 67 mm
22,01 € SUR AMAZON
Waveshare
Waveshare ESP32-P4-WIFI6-Touch-LCD-4B(Version with Camera Interface, Without ETH Port/RS485/Relay), ESP32-P4 Smart 86 Box, ESP32-P4 Chip, 2-Core&1-Core RISC-V, Onboard 4inch 720x720 5Point Touch LCD
75
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#8
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ESP32-P4-WIFI6-Touch-LCD-4B (support external camera) is powered by a high-performance MCU featuring a 32-bit dual-core and single-core RISC-V processor.
It includes 128KB HP ROM, 16KB LP ROM, 768KB HP L2MEM, 32KB LP SRAM, and 8KB TCM. The chip package incorporates 32MB PSRAM and is externally paired with 32MB Nor Flash.
Strong image and voice processing capabilities, with interfaces including a JPEG codec, Pixel Processing Accelerator (PPA), Image Signal Processor (ISP), and H.264 video encoder.
The board features commonly used peripheral interfaces such as MIPI-CSI, MIPI-DSI, USB 2.0 OTG, Ethernet, SDIO 3.0 Micro SD card slot, dual microphones with echo cancellation support, speaker terminals, and RTC batt terminals (specific interfaces vary by product; refer to the resource overview).
Supports secure boot, Flash encryption, hardware encryption accelerators, and hardware random number generators. It also features hardware access protection, enabling Access Permission Management (APM) and privilege separation.
52,99 € SUR AMAZON
Luobannm
Luobannm Bluetooth Activé ESP32 RS485 Module de Relais de Canal MODBUS 4, 7-24V Type-C avec Support WiFi
72
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Amazon.fr
#9
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4. Alimentation 7-24 V CC + alimentation TYPE-C
3. Puce de port série CH340 intégrée
1. ESP32, avec WIFI et Bluetooth
2. Isolation de l'optocoupleur d'entrée, isolation de l'optocoupleur de sortie
5. Prise en charge Modbus
16,51 € SUR AMAZON
Koolenry
Koolenry Module de Relais 4 Canaux Modbus RS485 ESP32 7-24V TYPE-C Intégré CH340 avec Support WIFI Bluetooth, Isolation par Optocoupleur Modbus 4 Voies
67
QUALITÉ BONNE
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Amazon.fr
#10
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3. Puce de port série CH340 intégrée
4. Alimentation 7-24 V CC + alimentation TYPE-C
2. Isolation de l'optocoupleur d'entrée, isolation de l'optocoupleur de sortie
1. ESP32, avec WIFI et Bluetooth
5. Prise en charge Modbus
16,06 € SUR AMAZON
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#1 GAGNANT
