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8 Channel Relay Board-Bluetooth
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Amazon.com: AEDIKO 8 Channel Relay Module DC 5V Relay Board with OPTO-Isolated Support High or Low Level Trigger : Automotive
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Relay Controller 8-Channel General Purpose SPDT + 8 Channel ADC ProXR Lite - IoT Devices & Sensors | Relay Controllers, Current Monitoring & Vibration Sensors
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Amazon.com: HiLetgo 12V 8 Channel Relay Module with OPTO-Isolated High and Low Level Trigger 8 Ways Relay Switch Module for Arduino : Industrial & Scientific
Amazon.com: SainSmart 8-Channel 5V Solid State Relay Module Board for Arduino Uno Duemilanove MEGA2560 MEGA1280 ARM DSP PIC : Everything Else
Electronics-Salon DIN Rail Mount 8 SPDT Power Relay Interface Module. (Operating Voltage: DC 12V): Amazon.com: Industrial & Scientific
1PCS 8 Channel 3.3V Relay Module 3V Optocoupler Module 8 Way Relay Control Board: Amazon.com: Industrial & Scientific
B Baosity 5V Relay Module 8 Channel MCU Control for Industrial Department with Photocoupler Insulation : DIY, Tools & Garden - Amazon.co.jp
