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Industrial isolated 8-Channel ESP32-S3 WiFi Relay Module RS485 with Xtensa 32-bit LX7 (no POE)- WaveShare 31130

: MRE04069
€47.50
Tax included

ESP32-S3-ETH-8DI-8RO is an industrial-grade 8-channel WiFi network relay based on ESP32-S3 main controller and supports WiFi, Bluetooth, RS485, network port and other peripheral interfaces. It has built-in protection circuits such as power supply isolation and optocoupler isolation, which is safe, stable and reliable, and suitable for the AIoT field. 

If you want to know more about this product, please check out its Wiki Page.

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*Disclaimer: The images are merely illustrative.

Features

  1. Based on ESP32-S3 microcontroller with Xtensa 32-bit LX7 dual-core processor, capable of running at 240 MHz

  2. Integrated 2.4GHz Wi-Fi and Bluetooth LE dual-mode wireless communication, with superior RF performance

  3. High quality relay, contact rating: ≤10A 250V AC / 30V DC

  4. Supports passive and active digital input, with bi-directional optocoupler isolation. The relay supports digital input linkage control

  5. Onboard isolated RS485 interface, for connecting to various RS485 Modbus industrial modules or sensors

  6. Onboard pin header, allowing access to other devices

  7. Onboard USB Type-C port for power supply, firmware downloading and debugging

  8. Onboard power supply screw terminal, supports 7~36V wide voltage input, suitable for industrial applications

  9. Onboard RTC chip, supports scheduled tasks

  10. Onboard W5500 Ethernet chip for extending 10/100Mbps network port through SPI interface

  11. Optional for PoE network port version, with built-in PoE module for PoE capability (compliant with IEEE 802.3af standard)

  12. Onboard optocoupler isolation to prevent interference from external high-voltage circuit connected to the relay

  13. Onboard digital isolation to prevent interference from external signal

  14. Onboard unibody power supply isolation, providing stable isolated voltage, no extra power supply required for the isolated terminal

  15. Onboard TF card slot for external TF card storage of images and files

  16. Built-in buzzer, RGB LED, power supply and RS485 TX/RX indicators for monitoring the operating status of the devices

  17. Rail-mounted ABS case, easy to install, safe to use

 

Based on ESP32-S3, Designed for AIoT market

Equipped with Xtensa 32-bit LX7 dual-core processor, capable of running at 240 MHz, with Powerful AI Computing Performance and Security Encryption Mechanism; Integrated 2.4GHz Wi-Fi and Bluetooth LE dual-mode wireless communication

Industrial 8-Channel ESP32-S3 WiFi Relay Module, built-in ESP32-S3
 

 

Onboard multiple isolation protection circuits

Multiple protections, more safe and reliable

Industrial 8-Channel ESP32-S3 WiFi Relay Module, multiple isolation protection circuits
 

 

supports RS485 and Bluetooth / WIFi remote control

Onboard 8-ch relays and 8-ch digital inputs
Contact rating of the onboard relay up to 10A 250V AC / 30V DC
Directly controlling 220VAC home appliances, or devices below 30V DC

Industrial 8-Channel ESP32-S3 WiFi Relay Module, AC / DC connection demo
 

 

Digital input

Supports passive (dry contact) and active (wet contact) digital input, with bi-directional optocoupler isolation

Industrial 8-Channel ESP32-S3 WiFi Relay Module, digital input connection
 
 

 

Application scenarios

Industrial 8-Channel ESP32-S3 WiFi Relay Module, linkage control demo

 

 

What's On Board

Industrial 8-Channel ESP32-S3 WiFi Relay Module, PCB front view
  1. ESP32-S3-WROOM-1U-N16R8
    Adopts ESP32-S3 series chip with Xtensa 32-bit LX7 dual-core processor, built in 16MB Flash and 8MB PSRAM
  2. 8-channel quality relays
    contact rating per channel: ≤ 10A 250V AC or ≤ 10A 30V DC
  3. Optocoupler isolation
    prevents interference from external high-voltage circuit connected to the relay
  4. RESET button
  5. PoE header
    supports connecting to PoE module for PoE capability (for PoE port version only)
  6. BOOT button
  7. Power IC
  8. Digital isolation
    prevents interference from external signal
  9. Power supply isolation
    provides stable isolated voltage, needs no extra power supply for the isolated terminal
  10. Bi-directional optocoupler isolation
  11. RTC battery holder
    1220 size (12mm diameter*2mm thickness), supports only rechargeable 3V~3.3V Batt.
  12. Buzzer
  13. Digital input screw terminals
  1. Pin header
    for connecting other devices
  2. LED indicators
    PWR: power indicator
    RXD: RS485 RX indicator
    TXD: RS485 TX indicator
  3. USB Type-C connector
    for module power supply, firmware downloading and USB communication
  4. WS2812 RGB LED
    controllable via GPIO38
  5. Ethernet port
  6. External antenna connector
    SMA female connector, for WiFi and Bluetooth wireless communication
  7. Power supply screw terminal
    supports DC 7~36V wide voltage input
  8. RS485 comm interface
    for connecting to external RS485 devices
  9. RS485 matching resistor jumper
    onboard reserved 120R matching resistor, enabled via jumper
  10. Relay screw terminals
Industrial 8-Channel ESP32-S3 WiFi Relay Module, PCB back view
  1. Onboard TVS (Transient Voltage Suppressor)
    can effectively suppress surge voltage and transient spike voltage in the circuit
  2. RS485 conversion chip
  3. MP1605GTF-Z
    DC-DC power module
  4. PCF85063ATL
    RTC chip, can achieve some scheduled tasks
  1. TCA9554PWR
    GPIO expansion chip
  2. W5500
    for extending 10/100Mbps network port through SPI interface
  3. TF card slot
    supports external TF card storage for images and files

 

Outline dimensions

Industrial 8-Channel ESP32-S3 WiFi Relay Module, normal Ethernet port outline dimensions

 

Package Content

Weight: 0.401 kg

  1. ESP32-S3-ETH-8DI-8RO × 1

  2. 2.4G 4DB SMA antenna × 1

  3. Screwdriver × 1

1ESP32-S3-ETH-8DI-8RO2antenna-2.4G-4DB-15.6_93.jpg3screwdriver_93.jpg
MRE04069

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