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
MHCOZY WiFi Wireless Smart Switch Relay Module for Smart Home 5V 5V/12V，Ba applied to access control, turn on PC, garage door (5v) - - Amazon.com
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SONOFF Basic R2 10A Smart WiFi Wireless Light Switch, Universal DIY Module for Smart Home Automation Solution, Works with Amazon Alexa & Google Home Assistant, Works with IFTTT, No Hub Required - -
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Amazon.com: NOYITO 1-Channel MOSFET Switch Module IRF540 Isolated Power Module (1-Channel, Red) : Electronics
eMylo WiFi Relay Switch Wireless Light Remote Control Module For Smart Home Automation Compatible with Alexa DIY 6 Packs - - Amazon.com
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DIYmalls SV Safe Low Voltage WiFi Wireless Switch Module DC 5V-24V Phone APP Remote Control Smart Home Support Secondary Development for Amazon Alexa Google Assistant - - Amazon.com
