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Modbus RTU 4 Channel Relay Module with RS485/TTL UART, 1 Input 1 Output, 7-24V Anti-Reverse Protection for Industrial Home Automation
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  • $12.99 
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Waveshare Industrial Modbus RTU 8-ch Relay Module with RS485 Interface Multi Isolation Protection Circuits Comes with an ABS Enclosure
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  • $86.58 
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Raspberry Pi Relay Module HAT Expansion Board Three Channel (3-CH) Power Relay Module for Raspberry Pi 4B/3B+/3B/2B/A+/B+ for Smart Home
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  • $24.68 
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DC24V power supply ESP8266 development board WiFi 32-way relay module ESP-12F secondary development board
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  • $73.28 
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8 Channel Network Relay Module Remote Control Relay Device Ethernet to RS485 TCP Relay Module
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  • $111.78 
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8 Channel Network Relay Module Remote Control Relay Device Ethernet to RS485 TCP Relay Module
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  • $109.79 
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8-CH Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, with Various Isolation and Protection Circuits
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  • $91.78 
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12V Dual Way Bluetooth Relay Module 12V 10A Wireless Smart Relay Module IoT Smart Home Phone APP Remote Control Switch
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  • $12.99 
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Modbus-Rtu 7-24V 4 Channel Relay Module Switch Modbus RTU Switch Input Output 5V RS485 TTL Communication Anti-Reverse Connection
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  • $12.99 
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anicorn 8 Pack 3V 1 Channel Relay Power Switch Module with Optocoupler Opto Isolation High Level Trigger for IOT ESP8266 Development Board
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  • $48.97 
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