Introducing our 4-Channel AC Light Triac Dimmer with I2C Control, a versatile and user-friendly solution for all your dimming needs. With this module, you can effortlessly adjust the intensity of incandescent lamps, LED dimmable bulbs, power heating elements, or fan speed - all managed through a microcontroller or popular boards like Arduino and Raspberry Pi.

Key Features:

Effortless Control: With just four wires, you can easily control this board via I2C protocol, simplifying the setup and operation process.

Universal Compatibility: This module is compatible with any Arduino, Raspberry Pi, or microcontroller, ensuring seamless integration with your existing projects.

Leading Edge Dimming: The dimming method employed is leading edge, delivering precise control over your connected devices.

Wide Voltage Range: It works with a broad range of voltages, supporting both 110VAC and 240VAC, making it suitable for various applications.

High Current Capacity: Each channel can handle currents of up to 3A, providing you with ample power for your devices.

AC Line Auto-Detect: The AC Line autodetect function streamlines the setup process, ensuring a hassle-free experience.

Expandable: With the ability to connect up to 8 devices on the I2C bus, you can control up to 32 channels, offering incredible scalability for your projects.

Visual Feedback: Two LEDs, one for 50Hz and one for 60Hz AC Line, provide clear visual feedback on the detected frequency, while both LEDs flashing indicate an AC Line not detected.

Easy Integration: No programming is required for the microcontroller on-board, simplifying the setup process.

I2C Buffer: The PCF8574 is used as an I2C buffer for efficient data transmission.

I2C Address Selection: The board features an I2C device address select switch, allowing you to choose from the default addresses, 0x27 or 0x3F.

Simple I2C Control: Controlling the board via I2C proto