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Waveshare 4-Ch RS485 to RJ45 Ethernet Serial Server, 4 Channels RS485 Independen
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  • $160.43 
  • Free Shipping
ESP32 Ethernet Dev Board, Support Wi-Fi & Bluetooth, with PoE Module/Camera
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  • $98.47 
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Industrial 1-Channel ESP32-S3 WiFi Relay Module, Supports WiFi/Bluetooth / RS485
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  • $73.84 
  • Free Shipping