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Waveshare Industrial Modbus RTU 8-Ch Relay Module with RS485 Bus, Multi Isolation Protection, 5V Voltage
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  • $114.88 
  • Free Shipping
DTECH Two-way Transparent RS422 RS485 Serial Port to TCP/IP Ethernet Device Converter Server
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  • $65.58 
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Waveshare Industrial 8-Channel Relay Module for Raspberry Pi Pico Power Supply Isolation Photocoupler Isolation
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  • $56.09 
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Industrial Serial Device Server RS485 to Ethernet TCP/IP LAN Converter 485 To RJ45 Adapter
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  • $47.88 
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Pi Pico W Microcontroller Board with Pre-Soldered Header, Built-in Wi-Fi 4 and Bluetooth 5.2, Based on Official RP2040 Dual-core Processor
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  • $37.62 
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T-Relay 5V 8 Channel Relay Module ESP32 Wireless Development Board Bluetooth With Optocoupler Isolation For
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  • $40.34 
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Waveshare RTC WatchDog HAT (B) for Raspberry Pi, Onboard DS3231SN High Precision RTC Chip
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  • $49.79 
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