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
Industrial 6-Ch ESP32-S3 WiFi Relay Module
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
Features At A Glance
- 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
Specifications
| MICROCONTROLLER | ESP32-S3 (Default module: ESP32-S3-WROOM-1U-N8, 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 × 30mm | |
Based On ESP32-S3, Designed For AIoT Market
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
- ESP32-S3
up to 240MHz operating frequency, with 2.4GHz WiFi and BLE - 6-channel quality relays
contact rating per channel: ≤10A 250V AC or ≤10A 30V DC - Optocoupler isolation
prevents interference from external high-voltage circuit connected to the relay - Digital isolation
prevents interference from external signal - Power supply isolation
provides stable isolated voltage, needs no extra power supply for the isolated terminal - TVS diode
effectively 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 terminal
Supports 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 buzzer
sound 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 jumper
Onboard reserved 120R matching resistor, enabled via jumper - Relays default control pin setting
Enclosure Design
ABS Protection Enclosure With Rail-Mount Support, Easy To Install, Safe To Use
Outline Dimensions
Wiki: www.waveshare.com/wiki/ESP32-S3-Relay-6CH
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