WaveShare Industrial 6CH ESP32-S3 WiFi Relay Module Support WiFi Bluetooth RS485

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Waveshare

WaveShare Industrial 6CH ESP32-S3 WiFi Relay Module Support WiFi Bluetooth RS485

Name: WaveShare Industrial 6CH ESP32-S3 WiFi Relay Module Support WiFi Bluetooth RS485
Brand: Waveshare
SKU: WS26756
Price: 34.95 EUR
Availability: InStock

SKU: WS26756

GTIN:>4060137093401

HAN: 26756

Category: Wireless

34,95 €

per pcs

incl. 19% VAT plus

Net: 29,37 €

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Goods ordered. 10 pcs expected on 28.07.2025.

Delivery time: 12 - 14 Workdays (DE - int. shipments may differ)

Product Description

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.

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 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
Enclosure: Rail-mount ABS protective case
Dimensions: 145 x 90 x 30mm

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

Wiki:www.waveshare.com/wiki/ESP32-S3-Relay-6CH

Lieferumfang

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

Product safety information

Manufacturer information:

Waveshare International Limited
World Trade Plaza south side, Fuhong Rd, Futian District
Shenzhen, China, 518000
[email protected]
https://waveshare.com/

Responsible person:

Eckstein GmbH
Am Ostbahnhof 3
Niedersachsen
Clausthal-Zellerfeld, Deutschland, 38678
[email protected]
https://eckstein-shop.de

Dimensions and Weight
GTIN:	4060137093401
HAN:	26756
Category:	Wireless
Storage Tiers:	Tier3
Shipping weight:	0,29 kg
Item weight:	0,24 kg
Dimensions ( Length × Width × Height ):	14,50 × 9,00 × 4,00 cm

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Wiki

Manufacturer according to GPSR
Waveshare International Limited, World Trade Plaza south side, Fuhong Rd, Futian District, 518000 Shenzhen, China, [email protected], https://waveshare.com/
Responsible person according to GPSR
Eckstein GmbH, Am Ostbahnhof 3, 38678 Clausthal-Zellerfeld, Niedersachsen, Deutschland, [email protected], https://eckstein-shop.de

Cookiename	Beispielinhalt	Ablaufzeit
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WaveShare Industrial 6CH ESP32-S3 WiFi Relay Module Support WiFi Bluetooth RS485

Wiki

WaveShare Industrial 6CH ESP32-S3 WiFi Relay Module Support WiFi Bluetooth RS485

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