8-Channel I2C IIC Relay Board XL9535, USB-C, Dual Power 3.3V/5V, SPDT 10A EMR, D For Sale

8 I2C-Controlled EMR Relays (10A Rated) – Features eight SPDT mechanical relays driven by the XL9535 GPIO expander. Each channel switches up to 10A @ 250VAC or 30VDC—ideal for lighting, pumps, motors and AC/DC loads.
• Dual Power Mode for 3.3V & 5V MCUs – Use single-5V mode for Arduino, or dual-power mode for ESP32/ESP8266/Raspberry Pi (3.3V for logic, 5V for coils). Ensures safe I²C voltage levels and strong relay performance. Type C / USB-C Port available to power to board for your convenience
• Noise-Reduced Stable Operation – Separate logic and relay power rails (VIN/GND1 vs. 5V/GND2) prevent voltage dips, MCU resets, and I²C communication errors—critical in smart home and industrial systems.
• Multi-Board I2C Expansion (Up to 64 Relays) – DIP switches allow selecting 8 unique I²C addresses (0x20–0x27). Daisy-chain up to 8 boards on one SDA/SCL bus, enabling 64 individually addressable relay channels.
• DIN-Rail Friendly & Maker Ready – Includes USB-C power input, high-quality screw terminals, clear labeling and a compact 150×72mm design. Compatible to DIN Rail. Fully compatible with Arduino, ESP32, ESP8266, Raspberry Pi, Home Assistant and ESPHome. Example code available on GitHub.
• On board:Includes easy-to-use connectors and detailed instructions, making installation and setup quick and hassle-free for electronics enthusiasts of all levels

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