Powerful 16-Channel I2C Relay Controller

Unlock the full potential of your automation projects with this advanced relay controller, designed to simplify your connections and enhance functionality.

Key Features:

• Built Around the PCF8575 Chip: Utilizes a 16-bit I2C I/O expander to control 16 relay channels, minimizing GPIO pin usage on your Raspberry Pi, ESP32, ESP8266, or other controllers.
• 16-Channel I2C Relay Control: Effortlessly manage up to 16 electromagnetic relays from a single module. Connect up to 8 boards to each I2C bus, allowing control of up to 128 relays with just 4 wires!
• SPDT Relays with LED Indicators: Each channel features SPDT contacts (Normally Open, Common, and Normally Closed) along with individual LED status indicators for quick visual confirmation of relay status.
• Compatible with 3.3V and 5V Logic: Designed for seamless integration with a variety of microcontrollers and SBC-based automation systems, ensuring versatility in your projects.
• Long Relay Service Life: Engineered for durability with a minimum rating of 10,000,000 mechanical operations and 100,000 electrical operations at rated load.

Why Choose This Relay Controller?

This relay controller is perfect for DIY enthusiasts and professionals alike, providing an efficient and reliable solution for complex automation tasks. Its robust design and compatibility make it an essential addition to any project.