I2C-RL812SA, 12Volt Low Power Relay I2C Expansion PCF8574A
Seeking an I2C 8-16 channel relay board - Motors, Mechanics, Power and CNC - Arduino Forum
I2C Relay board like it's 1975 : r/electronics
32-Channel General Purpose SPDT Relay Controller with I2C Interface - NCD Store
8 Channel I2C Solid State Relay Module For Arduino Raspberry PI and All Mic. Electronic Nuts Supplier of PWM AC Dimmer for Arduino, Raspberry PI, Microcontroller, MCU
I2C Relay Board, 8-Channel, Arduino Controlled
Seeed Studio Grove 4-Channel SPDT Relay - I2C - with Enclosure - SEEED-103020133
I2C Relay Board 8-Channel using MCP23008 - YouTube
8 Channel I2C Interface Relay Module for Arduino, Raspberry PI, Home Assistant YAML, ESP32 3.3V 5.0V 10A Peak LED Indicator for Each Relay Channel Control AC DC Voltage - I2C I/O pin Expander: Amazon.com: Industrial & Scientific