ESP32-S3 Relay Industrial 6-Channel IOT WiFi Bluetooth RS485

📖 Description

• Designed for industrial automation and remote control, this high-performance module combines 6 relays, RS485, and Pico HAT expansion in a rugged package. The ESP32-S3 ensures fast, secure WiFi + Bluetooth connectivity, while protection circuits prevent overloads and surges. Ideal for smart factories, HVAC systems, and IoT applications.

🔧 Key Specifications

• Microcontroller: ESP32-S3 with Xtensa 32-bit LX7 dual-core processor, operating at up to 240 MHz
• Wireless Connectivity: Integrated 2.4GHz Wi-Fi and Bluetooth LE dual-mode communication
• Relay Channels: 6 high-quality relays, each rated at ≤10A 250VAC or ≤10A 30VDC
• Interfaces:
  • Isolated RS485 interface for connecting to various Modbus industrial modules or sensors
  • 40-pin header compatible with Raspberry Pi Pico HATs, allowing expansion for RTC, CAN, RS232, LoRa, sensors, etc.
• Power Supply:
  • Supports 7–36V wide voltage input via screw terminal
  • Onboard USB Type-C port for power supply, firmware downloading, and debugging
• Protection Circuits:
  • Optocoupler isolation to prevent interference from external high-voltage circuits
  • Digital isolation to prevent signal interference
  • Power supply isolation providing stable isolated voltage, eliminating the need for an extra power supply for the isolated terminal
  • TVS diode for voltage spike suppression
• Indicators:
  • RGB LED
  • Power supply and RS485 TX/RX indicators
• Mounting: Rail-mounted ABS case for easy installation and

⚙️ Features

• Versatile Communication: Supports Wi-Fi, Bluetooth, and RS485 protocols, enabling flexible integration into various systems
• Expandable Functionality: Compatible with Raspberry Pi Pico HATs, allowing for additional features such as RTC, CAN, RS232, LoRa, and sensor integration
• Robust Design: Built-in protection circuits ensure safe and stable operation in industrial environments
• User-Friendly Development: Supports development using Arduino and MicroPython, with comprehensive SDKs and tutorials available
• Real-Time Monitoring: Indicators provide immediate feedback on power status and communication activity

🛠️ Applications

• Industrial Automation: Control and monitor machinery, conveyors, and production lines
• Smart Agriculture: Manage irrigation systems, greenhouse environments, and livestock equipment
• Building Management: Automate lighting, HVAC, and security systems
• Remote Monitoring: Oversee equipment status and environmental conditions from a distance
• IoT Development: Prototype and deploy IoT solutions with integrated wireless communication and control capabilities