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Amazon.com: HiLetgo ESP8266 WiFi Relay Module DC7-30V ESP-12F Network 5V Relay Module 220V 10A : Electronics
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Basics: Project 086c Raspberry PI 3 model B board, ESP8266 ESP-12E module, 8 channel relay module, 7 at Acoptex.com / ACOPTEX.COM
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Kc868-a16s Ethernet 16 Channel Esp32 Relay Board Wifi Switch Mqtt Tcp Web Http Esphome Home Assistant Tasmota Module - Automation Modules - AliExpress
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Basics: Project 086c Raspberry PI 3 model B board, ESP8266 ESP-12E module, 8 channel relay module, 7 at Acoptex.com / ACOPTEX.COM
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WiFi 8 Channel Electromagnetic Relay ESP8266 Module Smart Home Controller Compatible with ESPHome Home Assistant: Amazon.com: Industrial & Scientific
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