KC-Link 868-A8 IoT Smart Dev Board for Arduino with GSM, Ethernet and MQTT

Product Overview:

The KC-Link KC868-A8 is a versatile 8-channel relay module powered by the ESP32 microcontroller, designed for advanced home automation and industrial control applications. With dual connectivity options—Wi-Fi and Ethernet—it offers reliable and flexible integration into various systems.​

Key Features:

• Dual Connectivity: Supports Wi-Fi and Ethernet (LAN8270A chip) for seamless integration and redundancy.​

• 8 Opto-Isolated Digital Inputs: Ensures safe and interference-free signal detection from external devices.​

• 8 High-Power Relays: Each relay supports up to 10A at 220V, suitable for controlling lights, motors, and other appliances.​

• 2 Analog Inputs (0–5V): Allows monitoring of analog sensors for voltage-based measurements.​

• Sensor Integration: Features 4 dedicated ports for connecting temperature and humidity sensors.​

• I2C Expansion Port: Facilitates the addition of displays, sensors, or other I2C-compatible devices.​

• 433 MHz RF Support: Compatible with RF modules for wireless remote control applications.​

• USB Interface: Includes a Mini-USB port with a CH340C chip for easy programming and debugging.​

• Open-Source Friendly: Compatible with Arduino IDE, ESPHome, Tasmota, Node-RED, Home Assistant, and more.​

Technical Specifications:

• Microcontroller: ESP32-WROOM-32​

• Digital Inputs: 8 opto-isolated (dry contact)​

• Analog Inputs: 2 channels (0–5V)​

• Relay Outputs: 8 channels (10A/250V AC or 10A/30V DC)​

• Sensor Ports: 4 (supports DS18B20 and similar sensors)​

• Communication Interfaces: Wi-Fi, Ethernet (LAN8270A), 433 MHz RF​

• Programming Interface: Mini-USB (CH340C)​

• Operating Voltage: 12V DC​

• Dimensions: Standard DIN rail mountable enclosure​

Applications:

• Smart home automation systems​

• Industrial equipment control​

• Remote monitoring and data acquisition​

• Environmental sensing and control​

• Custom IoT projects requiring reliable relay control​

Package Includes:

• 1 x KC868-A8 ESP32 8-Channel Relay Module​

• 1 x Type B USB Cable​​

Note: Power supply (12V DC) is not included.​

Shipping & Handling:

• Location: Melbourne, Victoria, Australia​

• Handling Time: 1–2 business days​

• Shipping Method: Australia Post or equivalent with tracking​

• Returns: 30-day return policy; buyer pays return shipping​

Why Choose KC-Link KC868-A8?

The KC868-A8 stands out for its robust design, dual connectivity, and compatibility with various open-source platforms. Whether you're a hobbyist or a professional, this module offers the flexibility and reliability needed for your automation projects.