Rs485 Esp32
Les 10 meilleurs produits en septembre 2025
Dernière mise à jour :
10 septembre 2025
JZK
JZK Lot de 5 modules TTL vers RS485, conversion mutuelle de niveau UART 485 vers port série, contrôle automatique du flux, TTL Turn RS485 3,3 V 5 V
Livraison gratuite
98
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#1 GAGNANT
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RS485TTL : ce module réalise la conversion mutuelle entre le signal TTL et le signal RS485, pas besoin de contrôle « recevoir – envoyer », utilisez ce module lorsque vous utilisez le port série aussi simple, compatible avec l'alimentation 3,3 V et 5,0 V, compatible avec les signaux 3,3 V et 5,0 V.
Dispose d'un voyant lumineux RXD, TXD, contrôle de l'état d'envoi et de réception. Contenu de l'emballage : 5 modules TTL Turn RS485.
Capacité anti-interférences, tout en étant plus efficace, dans le domaine industriel et dans un environnement difficile, la distance de transmission jusqu'à 1000 mètres des 850 mètres de câble 2 x 1,5 au test, il est recommandé d'utiliser dans un rayon de 800 mètres, plus de 800 mètres, veuillez ajouter des répéteurs).
【Fonctionnement facile】 Considérez pleinement la conception de protection contre la foudre 485 bus et le design anti-brouillage, transmission longue distance sur le terrain, l'accès latéral « terre » du module à la terre, peut jouer un très bon effet anti-brouillage et foudre, bus 485 plus sûr ; transmission intérieure à courte distance ne peut pas accéder à la terre.
L'utilisation de la conception standard de 2,54 pas, pour faciliter votre développement secondaire. Avec résistance de 120 ohm, court-circuit R0 pour permettre la résistance correspondante, transmission longue distance du court-circuit proposé.
7,29 € 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
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#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 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
92
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#3
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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-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
89
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#4
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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
DSD TECH
DSD TECH SH-U12 Carte RS485 à TTL 5V avec Puce MAX13487 pour Raspberry Pi Arduino et Autres MCU
Livraison gratuite
82
QUALITÉ FIABLE
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#5
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Avec cette carte RS485 à TTL, vous pouvez vous connecter rapidement au réseau RS485, adapté pour Raspberry Pi, Arduino, Robot et autres MCU
La puce principale est MAX13487 de MAXIM, indication de stabilité.LED élevée pour TXD, RXD, puissance
Avec protection ESD 15KV et protection contre les surtensions TVS
Taux de transmission jusqu'à 500Kbps, support de communication multi-machine, permettant jusqu'à 128 appareils esclaves
GARANTIE: DSD TECH retour cette RS485 à la carte TTL avec 12 mois de garantie.Si vous répondez à une question, s'il vous plaît contactez-nous, nous allons résoudre votre problème dans les 24 heures.
11,49 € SUR AMAZON
Waveshare
Waveshare USB to RS232/485/TTL Interface Converter Power and ADI magnetical Industrial Isolation
Livraison gratuite
80
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#6
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Adopt original FT232RL, fast communicating, stable and reliable, better compatibility Fully automatic transceiver circuit with no delay, ensures the USB port communicates with different interfaces fastly and stably, without interfering each other
Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal Onboard unibody magnetical isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightning-proof & anti-electrostatic
Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock resistance Onboard TTL serial 3.3V/5V voltage translator, config the TTL level via switch
Aluminium alloy enclosure with sand blasting and anodic oxidation, CNC process opening, solid and durable 3 LEDs for indicating the power and transceiver status
32,99 € SUR AMAZON
Waveshare
4.3 Pouces Écran Tactile Capacitif Basé sur ESP32-S3 Microcontrôleur Carte de Développement, WiFi 2.4GHz et BLE 5 Support, Résolution 800×480, 5 Points Tactile, avec Can, RS485, I2C Interface
79
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#7
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4.3inch capacitive touch screen can smoothly run GUI programs such as LVGL, based on ESP32-S3 development board, integrates high-capacity Flash and PSRAM, supports the expansion of multiple peripherals via Sensor, CAN, RS485, and I2C interfaces, suitable for the quick development of the HMI and other ESP32-S3 applications
Equipped with 32-bit LX7 dual-core processor, up to 240MHz main frequency, supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), with onboard antenna, built in 512KB of SRAM and 384KB ROM, with onboard 8MB PSRAM and 8MB Flash
4.3inch capacitive touch display, 800×480 resolution, 65K color, supports capacitive touch control via I2C interface, 5-point touch with interrupt support
Onboard CAN, RS485, I2C interface and TF card slot, integrates full-speed USB port
Supports flexible clock, module power supply independent setting, and other controls to realize low power consumption in different scenarios
48,90 € SUR AMAZON
Waveshare
Waveshare Industrial ESP32-S3 Control Board with RS485 and Can Communication Interfaces, Wi-FI/Bluetooth Support, Built-in Multiple Protection Circuits
75
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#8
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High-Performance ESP32-S3 Microcontroller: The device is powered by the ESP32-S3 microcontroller featuring an Xtensa 32-bit LX7 dual-core processor, capable of running at 240 MHz, offering powerful performance for complex applications and real-time processing.
Advanced Dual-Mode Wireless Communication: It integrates 2.4GHz Wi-Fi and Bluetooth 5 (LE) dual-mode wireless communication, ensuring reliable, high-speed RF performance for seamless connectivity in a variety of environments.
Multiple Communication Interfaces: The module comes with both an isolated RS485 interface and an isolated CAN interface, enabling easy connection to various industrial devices, such as RS485 Modbus modules or CAN-based devices, for versatile application support.
Flexible Power Supply and Isolation Features: Featuring an onboard power supply screw terminal supporting a wide voltage input range of 7~36V, the device is ideal for industrial environments. It also includes onboard digital isolation, unibody power supply isolation, and optocoupler isolation to prevent external signal and high-voltage interference, ensuring safe and stable operation.
Convenient Monitoring and Installation: Equipped with RS485 TX/RX and CAN indicators for real-time monitoring of module status, along with an onboard RTC chip for task scheduling, this module is housed in a rail-mounted protective case for easy installation and secure use in industrial applications. Rich WiKi Resources: We provide official Wiki resources, please contact us for more information.
29,99 € SUR AMAZON
Wonrabai
ESP32-P4 Smart 86 Box Development Board, Based on ESP32-P4 Controller, Onboard 4inch 720 x 720 Touch Display,Onboard Ethernet Port + RS485 + 2-CH Relay, Supports AI Voice Interaction
75
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#9
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ESP32-P4 Smart 86 Box (Onboard Ethernet Port + RS485 + 2-CH Relay). Based On ESP32-P4 Controller With RISC-V 32-bit Dual-core And Single-core Processors, onboard 4inch 720 x 720 resolution IPS 5-point touch display. It features rich peripherals such as MIPI-CSI, MIPI-DSI, USB 2.0 OTG, Ethernet port, SDIO 3.0 TF card slot, dual microphones (support echo cancellation), speaker header and RTC ba-ttery header, etc.
High-performance MCU with RISC-V 32-bit dual-core and single-core processors, 128 KB HP ROM, 16 KB LP ROM, 768 KB HP L2MEM, 32 KB LP SRAM, 8 KB TCM. 32MB PSRAM in the chip's package, with onboard 32MB Nor Flash.
Supports AI Voice Interaction: Supports mainstream AI platforms and can be connected to online large model platforms such as Doubao, DeepSeek, ChatGPT and other AI models. Audio Input/Output: Onboard ES8311 audio codec chip and ES7210 echo cancellation circuit. Meet daily audio application scenarios.
Onboard RS485 Interface: Supports Automatic data transmission and reception, built-in power isolation, digital isolation, TVS and other protections. 2-Channel Relay: Onboard Optocoupler isolation, prevents the relay from being interfered by high-voltage circuit.
Relay Connection: Contact rating of the onboard relay up to 10A 250V AC / 30V DC. Directly controlling 220VAC home appliances, or devices below 30V DC. 100M RJ45 Ethernet Port: Supports 10/100M wired network communication.
It also integrates the Digital Signature Peripheral and a dedicated Key Management Unit, ensuring secure data and operations. Specifically designed for high-performance and high-security applications, to meet the higher requirements of embedded applications such as Human-Machine interaction, efficient edge computing, and IO expansion.
Security features: Secure Boot, Flash Encryption, cryptographic accelerators, and TRNG. Additionally, hardware access protection mechanisms help to enable Access Permission Management and Privilege Separation. Powerful image and voice processing capability. Provides image and voice processing interfaces including JPEG Codec, Pixel Processing Accelerator, Image Signal Processor, H264 encoder.
Comes with Online Tutorial Usage Guide and Online Development Resource, Please check: n9.cl/1h472
62,39 € 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
67
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#10
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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
esp32 rs485
esp32 relay rs485
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