Waveshare ESP32‑S3 8‑CH WiFi Relay Module w/ CAN, Dual‑Core, Isolation

€65,95
€65,95
€65,95
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Harness the power of the ESP32‑S3 dual‑core MCU with robust wireless and wired connectivity. This module combines 8 high‑capacity relays, versatile digital inputs, and full isolation protection, making it a rock‑solid choice for smart home, industrial control, and IoT projects — all in a compact, DIN‑rail‑mount package.

Key Features

  • High-Performance MCU — ESP32‑S3, Xtensa® 32‑bit LX7 dual‑core, up to 240 MHz

  • Wireless & Wired — Integrated 2.4 GHz Wi‑Fi + Bluetooth LE dual‑mode

  • 8 High‑Quality Relays — Contact rating ≤ 10 A 250 V AC / 30 V DC

  • 8 Digital Inputs — Supports passive (dry) & active (wet) inputs, bi‑directional optocoupler isolation

  • Industrial‑Grade Isolation — Power, signal, and optocoupler isolation for safety & reliability

  • Onboard Isolated CAN Interface — Direct connection to CAN devices with protection circuits

  • Flexible Networking — Built‑in W5500 Ethernet (PoE version available, IEEE 802.3af)

  • Storage & Indicators — TF card slot, RGB LED, buzzer, and status indicators

  • Wide Voltage Input — 7–36 V DC via screw terminal or USB‑C power

  • Easy Installation — Compact ABS enclosure, 35 mm DIN‑rail mount

Specifications

Parameter Details
MCU ESP32‑S3‑WROOM‑1U‑N16R8 (16 MB Flash, 8 MB PSRAM)
Wireless Wi‑Fi 802.11 b/g/n, Bluetooth 5 + BLE
Relays 8× channels, 1NO/1NC, ≤ 10 A 250 V AC / 30 V DC
Digital Inputs 8× channels, 5–36 V, passive & active modes
Isolation Power isolation, optocoupler isolation, digital isolation
Interfaces CAN, Ethernet (W5500), RS485
Storage TF card slot
Indicators RGB LED, Power, TX, RX
Power Supply DC 7–36 V or USB Type‑C
Enclosure ABS, DIN‑rail mount
Size 175 × 90 × 40 mm

supports CAN and Bluetooth / WIFi remote control

Onboard 8-ch relays and 8-ch digital inputs
Contact rating of the onboard relay up to 10A 250V AC / 30V DC
Directly controlling 220VAC home appliances, or devices below 30V DC

Digital input

Supports passive (dry contact) and active (wet contact) digital input, with bi-directional optocoupler isolation

Applications

  • Industrial equipment control & monitoring

  • Home & building automation

  • Remote IoT relay switching via Wi‑Fi / Bluetooth / Ethernet / CAN

  • Integration with Home Assistant, ESPHome, or custom firmware

  • Sensor‑triggered relay control with isolation protection

Package Contents

  • 1× Waveshare ESP32‑S3 8‑CH WiFi Relay Module

  • 1× 2.4G 4DB SMA antenna

  • 1× Screwdriver

Optional for PoE function

built-in PoE module, providing both network connection and power supply in one cable

Application Examples

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

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