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Industrial 6-Channel ESP32-S3 Relay WiFi Bluetooth RS485

  • $69.00
  • Save $10
  • (Exc. GST)

  • Available in stock

  • $ We Ship from our stock in AU (Perth) with pickup option, and Prices are Exc. GST
  • $ We Offer Quantity Discounts for Large Orders 10+ qty (Request for Quote)
  • $ We Accept Purchase Orders & Net 30 Payment for Eligible Accounts

    Industrial 6-Channel ESP32-S3 Relay WiFi Bluetooth RS485

    Industrial 6-Channel ESP32-S3 WiFi Relay Module, Supports WiFi / Bluetooth / RS485 Control, Onboard RS485 / Pico HAT Interfaces, With Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mount Case

    Built-In Protection Circuits Such As Power Isolation And Optocoupler Isolation are safe & Stable & Reliable


    • 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 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 40PIN header compatible with some Raspberry Pi Pico HAT, for expanding more functions such as RTC / CAN / RS232 / LoRa / sensor, etc.
    • Onboard USB Type-C port for power supply, firmware downloading and debugging
    • The onboard power supply screw terminal supports 7~36V wide voltage input, suitable for industrial applications
    • 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
    • Built-in buzzer, RGB colourful LED, power supply and RS485 TX/RX indicators for monitoring the operating status of the module
    • Rail-mounted ABS case, easy to install, safe to use


    MICROCONTROLLER ESP32-S3 (Default module: ESP32-S3-WROOM-1U-N8, customizable for other modules)
    WIRELESS COMMUNICATION 2.4GHz WiFi (802.11 b/g/n)、Bluetooth 5, BLE
    USB Connector USB Type-C
    Power supply 5V
    Functions Power supply, USB communication, firmware downloading, etc.
    ISOLATED RS485 Connector Screw terminal
    Direction control Hardware automatic control
    Protection TVS diode, surge protection & ESD protection
    Resistor Onboard reserved 120R matching resistor, NC by default, enabled via jumper
    EXPANDED INTERFACE Onboard 40PIN header compatible with some Raspberry Pi Pico HAT, easy to expand other functions such as RTC / CAN / RS232 / LoRa / sensor, etc
    RELAY Contact rating ≤10A 250VAC/30VDC
    Relay channels 6
    Contact form 1NO 1NC
    Isolation Optocoupler isolation
    LED INDICATORS RGB RGB colorful LED, supports programmable control for display color
    PWR Red power indicator, lights up when there is USB connection and voltage is detected
    TXD Green TX indicator, lights up when the RS485 port sends data
    RXD Blue RX indicator, lights up when the device port sends data back
    APPEARANCE Enclosure Rail-mount ABS protective case
    Dimensions 145 × 90 × 30mm

    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

    Onboard Multiple Isolation Protection Circuit

    Multiple Protections, More Safe And Reliable

    High-Quality 6-Ch Relays, Supports RS485 And Bluetooth / Wifi Remote Control

    Contact Rating Of The Onboard Relay Up To 10A 250VAC/30VDC
    Directly Controlling 220VAC Home Appliances, Or Devices Below 30VDC

    Onboard Pico HAT Compatible Interface And RS485 Interface For Easy Expansion

    Onboard Isolated RS485 Interface, For Connecting To Various RS485 Modbus Industrial Modules Or Sensors. Onboard 40PIN Header Compatible With Some Raspberry Pi Pico HAT, For Expanding More Functions Such As RTC / CAN / RS232 / LoRa / Sensor, Etc.

    Supports Arduino, Micropython Development

    Comprehensive SDK, Dev Resources, And Tutorials To Help You Easily Get Started

    Application Examples:

    Provides Multiple Networking Demos With Waveshare.Cloud, Using The Lightweight MQTT Protocol To Achieve Data Visualization Service

    What's On Board

    1. ESP32-S3
      up to 240MHz operating frequency, with 2.4GHz WiFi and BLE
    2. 6-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. Digital isolation
      prevents interference from external signal
    5. Power supply isolation
      provides stable isolated voltage, needs no extra power supply for the isolated terminal
    6. TVS diode
      effectively suppresses surge voltage and transient spike voltage in the circuit
    7. Ceramic gas discharge tube
    8. Relay screw terminals
      for connecting with user devices
    9. 40PIN Raspberry Pi Pico HAT header
    10. RS485 bus interface
      for connecting to external RS485 devices
    1. Power supply screw terminal
      Supports DC 7~36V wide voltage input
    2. LED indicators
      PWR: power indicator
      RXD: RS485 RX indicator
      TXD: RS485 TX indicator
    3. WS2812 RGB LED
      controllable via GPIO38
    4. USB Type-C connector
      for module power supply, firmware downloading and USB communication
    5. Passive buzzer
      sound frequency is controllable via GPIO21
    6. ESP32 RESET button
    7. ESP32 BOOT button
    8. External antenna connector
      SMA female connector, for WiFi and Bluetooth wireless communication
    9. RS485 matching resistor jumper
      Onboard reserved 120R matching resistor, enabled via jumper
    10. Relays default control pin setting

    Enclosure Design

    ABS Protection Enclosure With Rail-Mount Support, Easy To Install, Safe To Use

    Outline Dimensions

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