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DC7-24V ESP32 Modbus RTU Four Channel Relay Module RS485 Development Board MODBUS Protocol Optocoupler Isolation Relay Board Built-in RS485 interface

DC7-24V ESP32 Modbus RTU Four Channel Relay Module RS485 Development Board MODBUS Protocol Optocoupler Isolation Relay Board Built-in RS485 interface

Package Included: 1x Relay Module

Walmart

$28.22
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