Industrial 1-Channel ESP32-S3 WiFi Relay Module, Supports WiFi / Bluetooth / RS485 Control, With Multiple Isolation Protection Circuits, Rail-Mount Case

1-Channel ESP32-S3 WiFi Relay Module, Supports Wi-Fi / Bluetooth, Onboard RS485 interface, With Multiple Isolation Protection Circuits, Rail-Mount Case. Includes 2.4G 4dB SAM Antenna and SH1.0 4-pin cable.

Features:

• 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 5 (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 modules or sensors
• Onboard RTC chip, supports scheduled tasks
• Onboard USB Type-C port for power supply, firmware downloading and debugging
• Onboard power supply screw terminal, supports 5V power supply only
• Onboard optocoupler isolation to prevent interference from external high-voltage circuit
• Onboard digital isolation to prevent interference from external signal
• Onboard unibody power supply isolation, providing stable isolated voltage, no extra power supply is required for the isolated terminal
• Onboard RS485 TX/RX indicators for monitoring the operating status of the module
• Rail-mounted protective case, easy to install, safe to use

Specifications:

• Antenna: Uses an external antenna via the SMA connector
• Microcontroller: ESP32-S3 (Default module: ESP32-S3R8, customizable for other modules)
• Wireless: 2.4GHz WiFi (802.11 b/g/n, Bluetooth 5 (LE)
• USB Connector: USB Type-c, 5V
• USB Functions: Power supply, USB communication, firmware downloading etc.
• Isolated RS485: (Connector: Screw terminal), (Direction control: Automatically controlled via main controller hardware flow settings), (Protection: TVS diode, surge protection & ESD protection), (Resistor: Onboard reserved 120R matching resistor, NC by default, enabled via jumper)
• Relay: 1 MO, Optocoupler isolation

WIKI: http://www.waveshare.com/wiki/ESP32-S3-Relay-1CH