Industrial 6-Channel ESP32-S3 WiFi Relay Module, Supports WiFi / Bluetooth / RS485 control, Onboard RS485 / Pico HAT interfaces
Product information "Industrial 6-Channel ESP32-S3 WiFi Relay Module, Supports WiFi / Bluetooth / RS485 control, Onboard RS485 / Pico HAT interfaces"
Based on ESP32-S3, Supports WiFi / Bluetooth, Onboard RS485 / Pico HAT interfaces
Built-in protection circuits such as power isolation and optocoupler isolation, 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
- 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 | |
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

Multiple protections, more safe and reliable

Contact rating of the onboard relay up to 10A 250VAC/30VDC Directly controlling 220VAC home appliances, or devices below 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.

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

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


- ESP32-S3 up to 240MHz operating frequency, with 2.4GHz WiFi and BLE
- 6-channel quality relayscontact rating per channel: ≤10A 250V AC or ≤10A 30V DC
- Optocoupler isolationprevents interference from external high-voltage circuit connected to the relay
- Digital isolationprevents interference from external signal
- Power supply isolationprovides stable isolated voltage, needs no extra power supply for the isolated terminal
- TVS diodeeffectively suppresses surge voltage and transient spike voltage in the circuit
- Ceramic gas discharge tube
- Relay screw terminals for connecting with user devices
- 40PIN Raspberry Pi Pico HAT header
- RS485 bus interface for connecting to external RS485 devices
- Power supply screw terminalSupports DC 7~36V wide voltage input
- LED indicators PWR: power indicator RXD: RS485 RX indicator TXD: RS485 TX indicator
- WS2812 RGB LED controllable via GPIO38
- USB Type-C connector for module power supply, firmware downloading and USB communication
- Passive buzzersound frequency is controllable via GPIO21
- ESP32 RESET button
- ESP32 BOOT button
- External antenna connector SMA female connector, for WiFi and Bluetooth wireless communication
- RS485 matching resistor jumperOnboard reserved 120R matching resistor, enabled via jumper
- Relays default control pin setting
Protection Enclosure with 35mm rail-mount support, easy to install, safe to use


Support software and hardware customizationIncluding hardware interface, LOGO, label, case and web page, etc.

Lieferumfang
- ESP32-S3-Relay-6CH x1
- 2.4G 4DB SMA antenna x1
- Screwdriver x1
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