GitHub - oweidner/i2crelay: A Python library and command line tool to control PCF8574 I2C relay boards
IIC I2C Control Expandable Relay Module/relay Control Board 8 Channels 12V|Tool Parts| - AliExpress
Control I2C Relay Using Node-RED - Hackster.io
8 channel I2C IIC relay module board
Amazon.com: 8 Channel I2C Interface Bus Solid State Relay Module for Arduino Raspberry PI and All Mic, AC Voltage Frequency Range 50…60Hz, AC Controlling Voltage Range 100…240VAC Long Life Quite Relay :
8 Channel I2C Interface Electromagnetic Relay Module for Arduino Raspberry 3.3V 5.0V 10A Peak LEDs Indicators for Each SSR Relay Channel Control AC DC Voltage: Amazon.com: Industrial & Scientific
Amazon.com: IOT Electronic 16 Channel I2C Solid State Relay Module Compatible for Arduino, Raspberry SSR 2A 120V 240V : Electronics