Industrial 6-Channel ESP32-S3 WiFi Relay Module with Bluetooth & RS485
The 6-Channel ESP32-S3 Wi-Fi Relay Module provides industrial-grade relay control with support for Wi-Fi, Bluetooth, and RS485 communication. Perfect for IoT applications and embedded systems requiring wireless relay switching.
6-Channel Industrial Relay Module with ESP32-S3 and Wi-Fi
The 6-Channel ESP32-S3 Wi-Fi Relay Module is a versatile and reliable solution for industrial and embedded applications. Built with the ESP32-S3 microcontroller, this module supports Wi-Fi, Bluetooth, and RS485 communication, making it ideal for IoT, smart home, automation, and control systems. Each of the six relays can be independently controlled, offering flexible relay switching for various devices and circuits. This module is designed for easy integration with various microcontrollers and provides a high-performance, cost-effective option for wireless relay control in various systems.
- 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
- 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 colorful 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-N16, customizable for other modules) | |
|---|---|---|
| Wireless communicatoin | 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 | |
| power supply Screw terminal | Voltage range | 7~36V |
| Appearance | Enclosure | Rail-mount ABS protective case |
| Dimensions | 145 × 90 × 40mm | |
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