Description:
The Industrial 8-Channel ESP32-S3 WiFi Relay Module is a robust, industrial-grade control board based on the powerful ESP32-S3 dual-core processor. WiFi Relay Module is designed for AIoT applications, it supports dual-mode 2.4GHz Wi-Fi and Bluetooth LE for flexible wireless communication. The module features 8 high-quality relays rated up to 10A (250V AC / 30V DC) and 8 digital inputs with bi-directional optocoupler isolation for reliable signal protection.
WiFi Relay Module is also includes an isolated RS485 interface, USB Type-C port for power and programming, compliant with IEEE 802.3af for streamlined power and data via a single cable. Built-in protection circuits, onboard RTC, TF card slot, buzzer, and RGB LEDs enable stable, secure, and intelligent control in demanding industrial environments. The module is housed in a rail-mount ABS case for easy installation and durability.
Features:
- Powered by ESP32-S3 dual-core 240 MHz processor with AI computing and encryption
- Dual-mode 2.4GHz Wi-Fi and Bluetooth LE wireless communication
- 8 high-quality relays (≤10A, 250V AC / 30V DC) with optocoupler isolation
- 8 digital inputs supporting passive/active input with bi-directional isolation
- Isolated RS485 interface for industrial Modbus communication
- USB Type-C port for power, firmware download, and debugging
- Optional PoE Ethernet port (IEEE 802.3af compliant) for power and network via one cable
- Onboard RTC for scheduled tasks and TF card slot for storage
- Multiple protections: power isolation, surge, TVS diode, ESD protection
- Built-in buzzer, RGB LEDs, and status indicators for monitoring
- Rail-mount ABS enclosure for industrial use
- Wide voltage input support: 7~36V via screw terminals
Specification:
| Model: | WiFi Relay Module |
|---|---|
| Model No.: | ESP32 S3 ETH 8DI 8RO |
| No. of Channels: | 8 |
| Power Supply (V) | 5~36 |
| Interface: | RS485 |
| Input Channel | 8 |
| Contact Rating | ≤10A 250V AC / 30V DC |
| Contact Form: | 1NO 1NC |
| Length (mm): | 175 |
| Width (mm): | 90 |
| Height (mm): | 40 |
Package Includes:
1 x ESP32-S3-ETH-8DI-8RO
1 x 2.4G 4DB SMA antenna
1 x Screwdriver
Technical Specifications
| Brand | WAVESHARE |
|---|---|
| Model | ESP32-S3 |
| Interface / Protocol | RS485, WiFi |
| SKU | AI7618 |
| Weight | 0.4 kg |
| Availability | In Stock |
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
- Genuine WAVESHARE product sourced from authorized channels
Urmi Thakur (verified owner) –
Great quality Waveshare Industrial 8-Channel ESP32-S3 WiFi Relay. Flashed with ESPHome and it works beautifully.
Ravi Kumar (verified owner) –
Nice Waveshare Industrial 8-Channel ESP32-S3 WiFi Relay for IoT prototyping. Breadboard compatible which is a plus.
Arjun Kumar (verified owner) –
Okay Waveshare Industrial 8-Channel ESP32-S3 WiFi Relay. Took time to figure out the pin mapping but functional.
Nikita Menon (verified owner) –
Average Waveshare Industrial 8-Channel ESP32-S3 WiFi Relay. WiFi drops occasionally but works for basic projects.
Vijay Shah –
Great Waveshare Industrial 8-Channel ESP32-S3 WiFi Relay. OTA updates work perfectly. Using 5 of these around my house.
Chirag Nair (verified owner) –
Nice Waveshare Industrial 8-Channel ESP32-S3 WiFi Relay for IoT prototyping. Breadboard compatible which is a plus.
Nakul Modi (verified owner) –
This Waveshare Industrial 8-Channel ESP32-S3 WiFi Relay is a beast for the price. Running a web server on it with no issues.
Rajesh Agarwal (verified owner) –
Decent Waveshare Industrial 8-Channel ESP32-S3 WiFi Relay. Had to install CP2102 drivers but works fine after that.
Eshan Mittal (verified owner) –
Decent Waveshare Industrial 8-Channel ESP32-S3 WiFi Relay. Had to install CP2102 drivers but works fine after that.
Vaishali Negi (verified owner) –
Excellent for smart home projects. This Waveshare Industrial 8-Channel ESP32-S3 WiFi Relay connects reliably to my router.