Waveshare Industrial 6 Channel ESP32-S3 WiFi Relay Module

Waveshare 26756 Industrial 6-Channel ESP32-S3 Wi-Fi Relay Module, Supports Wi-Fi/Bluetooth/RS485 Control, Integrated RS485/Pico-HAT Interfaces, with Multiple Isolation Protection Circuits, Industrial-Grade, Rail-Mounted Enclosure

Features:

• Based on the ESP32-S3 microcontroller with Xtensa 32-bit LX7 dual-core processor capable of running at 240 MHz.
  
• Integrated 2.4 GHz Wi-Fi and Bluetooth LE dual-mode wireless communication with superior RF performance.
  
• High-quality relay, contact load capacity: ≤10 A 250 VAC/30 VDC
  
• Integrated isolated RS485 interface for connection to various RS485 Modbus industrial modules or sensors
  
• Integrated 40-pin header, compatible with some Raspberry Pi Pico HAT, for expanding more functions such as RTC / CAN / RS232 / LoRa / Sensor etc.
  
• Integrated USB Type-C port for power supply, firmware download and debugging
  
• Integrated screw terminal for power supply, supports a wide input voltage range of 7 to 36 V, suitable for industrial applications
  
• Integrated optocoupler isolation to prevent interference from external high-voltage circuits connected to the relay
  
• Integrated digital isolation to prevent interference from external signals
  
• Integrated unibody power supply isolation that provides a stable isolated voltage, no additional power supply required for the isolated port
  
• Integrated buzzer, colored RGB LED, power and RS485 TX/RX indicators to monitor the module's operating status
  
• Rail-guided ABS housing, easy to install, safe to use

Specifications:

• Microcontroller: ESP32-S3 (standard module: ESP32-S3-WROOM-1U-N16, adaptable for other modules)
• Wireless communication: 2.4 GHz Wi-Fi (802.11 b/g/n)、Bluetooth 5, BLE
• USB:
  • Connection: USB-C
  • Power supply: 5 V
  • Functions: power supply, USB communication, firmware download, etc.
• Isolated RS485:
  • Connection: screw terminal
  • Directional control: Automatic hardware control
  • Fuse: TVS diode, overvoltage protection and ESD protection
  • Resistance: Integrated 120R trim resistor, NC by default, can be activated via jumper
• Extended Interface: Built-in 40-pin connector, compatible with some Raspberry Pi Pico HATs, easy to expand with more functions such as RTC/CAN/RS232/LoRa/Sensor, etc.
• Relay:
  • Rated power: ≤10 A 250 VAC/30 VDC
  • Relay channels: 6
  • Contact form: 1NO 1NC
  • Isolation: Optocoupler isolation
• LED displays:
  • RGB: RGB color LED, supports programmable control for display color
  • PWR: Red power indicator, lights up when a USB connection is established and voltage is detected
  • TXD: Green TX indicator, lights up when the RS485 port is sending data
  • RXD: Blue RX indicator, lights up when the device port is sending data back
• Power supply screw terminal:
  • Voltage range: 7 to 36 V
• Miscellaneous:
  • Housing: ABS protective housing for rail mounting
  • Dimensions: 145 x 90 x 40 mm

For further technical details please visit the manufacturer's product page .