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8 Channel I2C Interface Relay Module for Arduino, Raspberry PI, Home Assistant YAML, ESP32 3.3V
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5v Relay Module 1 Channel Relay Board for Raspberry Pi with Opto-Isolated High or Low Level Trigger 5v 1 Channel Relay Switch for Arduino: Amazon.com: Industrial & Scientific
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5V/12V/24V Optocoupler Relay Module LED Indicator Mini Size High Low Trigger Expansion Board Strong Driving Ability 4channel for Arduino Industrial Electrical(12V): Amazon.com: Industrial & Scientific
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